Wheels

Performance, durability, and versatility. Zipp checks all the boxes with its 30 Course Rim-brake Clincher wheelset. A wide 21mm internal rim profile delivers speed, stability and comfort over a variety of surfaces, and Zipp's 71/177 hubset provides smooth and efficient power transfer. Sapim CX-Ray spokes and redesigned ergonomic skewers round out this excellent all-around package. Each wheel includes rim tape, a tubeless valve, and a 1.85mm spacer for use with 10-speed cassettes.

- Position Front - Wheel Diameter/ISO 26'' / 559 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Disc IS 6-bolt - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 17mm - Rim inner width range 0-21.9mm - Rim Color Black - Rim Drilling 36 - Hub Model Formula DC-20 - Wheel Weight - - Spoke Type - - Valve Presta - Rim External Width 23mm - Depth 18.2mm - Rim Model Alex Ace17

- Position Front - Wheel Diameter/ISO 26'' / 559 - Axle Type Bolt-on - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Single wall - Rim Internal Width 19.9mm - Rim inner width range 0-21.9mm - Rim Color Silver - Rim Drilling 36 - Hub Model Formula FM-21 - Wheel Weight - - Spoke Type Steel - Valve Schrader - Rim External Width 25.2mm - Depth 16mm - Rim Model Alex C1000

- Position Rear - Wheel Diameter/ISO 26'' / 559 - Axle Type Bolt-on - Hub Spacing 110mm - Wheel-Brake Comp. Coaster - Freehub Body Coaster - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Single wall - Rim Internal Width 19.9mm - Rim inner width range 0-21.9mm - Rim Color Silver - Rim Drilling 36 - Hub Model Shimano CB-E110 - Wheel Weight - - Spoke Type Steel - Valve Schrader - Rim External Width 25.2mm - Depth 16mm - Rim Model Alex C1000

- Position Front - Wheel Diameter/ISO 700C / 622 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 18.4mm - Rim inner width range 0-21.9mm - Rim Color Silver - Rim Drilling 36 - Hub Model Formula FM-21-QR - Wheel Weight - - Spoke Type Stainless - Valve Schrader - Rim External Width 24.4mm - Depth 16mm - Rim Model Alex DM18 - Skewers Included Yes

- Position Rear - Wheel Diameter/ISO 26'' / 559 - Axle Type QR - Hub Spacing 135mm - Wheel-Brake Comp. Rim - Freehub Body Freewheel -Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 18.4mm - Rim inner width range 0-21.9mm - Rim Color Black - Rim Drilling 36 - Hub Model Formula FM-31-QR - Wheel Weight - - Spoke Type Stainless - Valve Schrader - Rim External Width 24.4mm - Depth 16mm - Rim Model Alex DM18 - Skewers Included Yes

- Position Rear - Wheel Diameter/ISO 26'' / 559 - Axle Type Bolt-on - Hub Spacing 135mm - Wheel-Brake Comp. Rim - Freehub Body Freewheel - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Single wall - Rim Internal Width 19.8mm - Rim inner width range 0-21.9mm - Rim Color Silver - Rim Drilling 36 - Hub Model Formula FM-31 - Wheel Weight - - Spoke Type Steel - Valve Schrader - Rim External Width - - Depth 16.8mm - Rim Model Evo E-Tour 20 - Skewers Included Yes

- Position Front - Wheel Diameter/ISO 29'' / 622 - Axle Type 15mm TA - Hub Spacing 110mm Boost - Wheel-Brake Comp. Disc IS 6-bolt - Freehub Body - - Wheel Tire Type Tubeless Ready - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 30mm - Rim inner width range 28-34.9mm - Rim Color Black - Rim Drilling 32 - Hub Model Novatec D711SB - Wheel Weight - - Spoke Type DT Champion - Valve Presta - Rim External Width 35mm - Depth 21.6mm - Rim Model Fratelli FX 30 Trail - Skewers Included No

- Position Front - Wheel Diameter/ISO 700C / 622 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 15mm - Rim inner width range 0-21.9mm - Rim Color Black - Rim Drilling 32 - Hub Model Shimano Sora HB-RS300 - Wheel Weight - - Spoke Type - - Valve Presta - Rim External Width 20.2mm - Depth 16mm - Rim Model Mavic Open Elite - Skewers Included Yes

The Flow's legendary history on the World Cup DH circuit, combined with Stan's WideRight 29mm internal width offers the perfect balance of tire stability for outstanding control at any speed. Genuine Bead Socket Technology rolls faster, corners harder, and withstands even bigger hits. Combined with a new shape, the Flow MK3 is born and bred for control at speed and perfect for technical trails and enduro racing. Laterally stiffer and more durable, Stan's new alloy is also even lighter, putting the new Flow MK3 in a class by itself for all-mountain performance. Flow MK3 wheels include pre-installed tape for tubeless use and Presta valve. - 29mm internal width for tires up to 2.8" Low-profile shape rolls faster, lasts longer, and helps stop tire pinch flats - Even lighter than the Flow EX Laterally stiffer and stronger for improved handling - More durable rim shape and alloy Neo hubs accelerate quicker and last longer - Most trusted tubeless system for easy setup and low maintenance - WideRight optimized for 2.35"-2.80" Trail and All-mountain tires

Tough-yet-affordable single wall 20-inch (406mm ISO) BMX wheel that uses a much higher build standard and materials than many original factory-equipped wheels. - Alex Y303 pinned construction single wall rim with 24mm internal width for an excellent pairing with modern high-volume tires - Anodized brake track for clean looks - Joytech alloy nutted hubs w/serviceable cup-and-cone bearings - Thread-on singlespeed freewheel fitting (1.375" x 24 TPI) - 16-22T compatible - Straight gauge 14G/2.0mm Stainless Steel spokes (black) w/12mm brass nipples (silver) - Weight: 877g

A clever dual-duty wheel that can be used with either rim brakes or 6-Bolt disc brakes (also compatible with 24-inch BMX). - Alex Y303 pinned construction single-wall rim with generous 24mm internal width and machined sidewall (anodized black for clean looks when used with disc brakes) - Joytech 6-Bolt disc nutted alloy hubs w/serviceable cup-and-cone bearings - Anodized brake track for clean looks when used with a disc brakes - Plain gauge 14G/2.0mm Stainless Steel spokes (black) w/12mm brass nipples (silver) - Weight: 1021g

A tough, tubeless-compatible 27.5-inch disc wheelset in traditional non-boost thru-axle spacing. - Pinned construction double-wall rim with new-school 29mm internal width, tubeless compatibility, offset/asymmetrical construction, and hookless construction - Asymmetric rims w/offset spoke holes for better triangulation of spoke angles and balance of tensions in a wheel build, resulting in a stronger, stiffer, and more reliable wheel - Joytech thru-axle alloy 6-Bolt hubs w/serviceable cup and cone bearings - Shimano steel freehub: 8/9/10/11sp MTB compatibility - 6-Bolt disc compatible only - Reinforced head straight gauge 14G/2.0mm Stainless Steel spokes (black) w/12mm brass nipples (black) - Weight: 1191g

The Zipp 202 Firecrest Carbon Clincher retains a classic 32mm rim depth, but with a sturdier 25.4mm rim width for all-around use. This legendary climber's companion weighs just 1,450g, and features Sapim CX Sprint spokes to optimize torsional and lateral stiffness. Laced to the maintenance-free Zipp 77/177 hubset, you can count on best-in-class durability no matter where you decide to ride. Confident stopping power comes from a combination of heat-resistant resin used in the 202's construction and Tangente Platinum Pro Evoke brake pads that provide all-conditions reliability. Zipp includes an integrated valve extender with valve-core wrench, rim tape, and quick release.

Zipp 202 Firecrest Tubeless Disc-brake wheels harness high technology for high adventure. These wheels are tubeless-ready for road riding that doesn't always stay on smooth pavement. The Zipp 202 Firecrest Tubeless retains its 32mm rim depth for a classic feel with real aero benefits. The wheel's 21mm internal width is aerodynamically optimized for use with 28mm wide tires. Its tubeless design lets you run lower tire pressures for improved grip and rolling resistance without the risk of pinch flats. At the center of the 202 Firecrest is a durable and versatile new hub. The ZR1 DB hub offers greater bearing durability and quicker engagement with a Center Lock brake interface. - Tubeless compatibility ensures secure performance even when ridden at lower tire pressures - New Zipp graphics and cosmetic identity that screams speed - Aero, durable, and lightweight at classic 32mm rim depth - New ZR1 DB hub is engineered in Germany with better seal design for improved durability and quicker response with 66 points of engagement - Center Lock rotor interface (lockring included) - Ships with 12mm end caps

Engineered to be the fastest accelerating carbon clincher Zipp has ever made, the 202 NSW Carbon Clincher Tubeless Disc-brake flies up the toughest climbs, and then shaves even more time off of the descents to follow. And because extracting greater speed on the mountain is only half the battle, we built 202 NSW to deliver the lowest aerodynamic drag available for a tubeless rim of this depth for speed everywhere else. - Superior modulation and stopping power of disc brakes - 202 NSW rolls efficiently whether you are pedaling or coasting. The Axial Clutch technology allows the freehub’s ratcheting mechanism to deliver half the mechanical drag of conventional three-pawl hubs - Zipp’s ImPress graphics technology, which prints graphics directly on the wheel, to help control vortex shedding, the rate at which air sheds off the wheel - Tubeless ensuring secure performance even when ridden at lower tire pressures

When Zipp gave their top engineers in The Nest advanced development lab the task of shedding more weight from their lightest carbon clincher wheelset, the 202 Firecrest, while also improving rolling friction, aerodynamics, and braking, it was a very tall order. When they asked them to do all of this without sacrificing durability, it looked like an impossibility. But the NSW advanced development team delivered on every request and built the ultimate climbing wheelset, a climbing wheelset strong enough to use on every ride. Engineered to be the fastest accelerating carbon clincher Zipp has ever made, 202 NSW flies up the toughest climbs, and then shaves even more time off of the descents to follow. And because extracting greater speed on the mountain is only half the battle, they built the 202 NSW to deliver the lowest aerodynamic drag available for a rim of this depth for speed everywhere else. In order for a climbing wheelset to be world beating it has to do more than simply deliver low weight; it has to deliver uncompromising performance on every level. This is why Zipp engineers in The Nest chose to enhance the world’s fastest climbing carbon clincher, the 202 Firecrest. With a new lighter carbon fiber layup for the 32mm deep 202 NSW, they’ve dropped weight where it matters most, at the outer edge of the wheel, while maintaining the durability and lateral stiffness that Firecrest is famous for. Then they reduced aerodynamic drag with ABLC Sawtooth technology and used ImPress graphics to ensure that nothing stood between the air flowing over the rim and the dimples made to smooth that flow. Knowing that there is no benefit to a wheelset that climbs fast and descends slow, NSW engineers incorporated their Showstopper brake track for the most confidence inspiring rim braking performance available, whether the road is wet or dry. To further improve the wheelset’s rolling efficiency, the 202 NSW rim is laced to their groundbreaking Cognition hubset. Built around their Axial Clutch freehub technology, the Cognition rear hub is engineered to maintain speed when coasting by disengaging the ratchet mechanism. This technology enables the Cognition rear hub to deliver far less rolling friction than wheels using conventional freehubs—a real advantage when fighting through rolling foothills or when spun out on long descents. Engineered for speed when approaching, ascending, traversing, and descending the world’s toughest mountain roads, the Zipp 202 NSW is a wheelset that can only come from one place, The Nest, where the world’s fastest wheels are made.

Zipp's 202 NSW Tubeless Disc-brake wheels packs a heavy load of performance into a light and nimble package. This wheel flies up the toughest climbs, shaves time off descents, and handles deftly off pavement. For aero performance, Zipp's ABLC Sawtooth dimple design extends to the rim's edge. The 202 NSW Tubeless Disc-brake is optimized for wide tires with lower tire pressure to meet the performance needs of modern riders in search of low rolling resistance and high compliance. With an internal width of 21mm, these wheels are well suited for rough roads, testing fastest with a 28mm tire in the majority of wind angles. - Tubeless design provides secure performance when ridden at lower tire pressures - New Zipp graphics and cosmetic identity that scream speed, applied using Zipp's ImPress direct-print technology - Center Lock rotor interface (lockring included) - Ships with 12mm end caps

Zipp's 202 NSW Tubeless Disc-brake wheels packs a heavy load of performance into a light and nimble package. This wheel flies up the toughest climbs, shaves time off descents, and handles deftly off pavement. For aero performance, Zipp's ABLC Sawtooth dimple design extends to the rim's edge. The 202 NSW Tubeless Disc-brake is optimized for wide tires with lower tire pressure to meet the performance needs of modern riders in search of low rolling resistance and high compliance. With an internal width of 21mm, these wheels are well suited for rough roads, testing fastest with a 28mm tire in the majority of wind angles. - Tubeless design provides secure performance when ridden at lower tire pressures - Cognition DB hub features Axial Clutch technology to allow the freehub's ratcheting mechanism to deliver half the mechanical drag of conventional three-pawl hubs - New Zipp graphics and cosmetic identity that scream speed, applied using Zipp's ImPress direct-print technology - Center Lock rotor interface (lockring included) - Ships with 12mm end caps

Upgrade your road bike with Zipp’s 30 Course Disc wheels. Featuring stiff, light 26mm-deep Zipp aluminum rims, Zipp's precision 77D/177D disc hubs and Sapim's outstanding CX-Ray spokes, these hoops maximize your power transfer for superior acceleration, climbing and handling. They also boast a 25mm-wide tire bed for running wider tires to improve the ride even more and minimize pinch flats.

Upgrade your road bike with Zipp’s 30 Course Disc wheels. Featuring stiff, light 26mm-deep Zipp aluminum rims, Zipp's precision 77D/177D disc hubs and Sapim's outstanding CX-Ray spokes, these hoops maximize your power transfer for superior acceleration, climbing and handling. They also boast a 25mm-wide tire bed for running wider tires to improve the ride even more.

Zipp's 302 Tubeless rim-brake wheels deliver dependable speed for aspiring and experienced cyclists alike. These wheels provide great value and performance and are now tubeless, allowing you to run lower tire pressure for greater cornering grip and reduced rolling resistance without the risk of pinch flats. Its 45mm deep, Indianapolis-made carbon rim is optimized for low aerodynamic drag and precise handling in all riding conditions. The 302's smooth carbon rim is laced to Zipp's 76 hub using Belgian CX-Sprint spokes and brass spoke nipples to build a wheel that is fast and reliable—tough enough to thrive in the big Gran Fondo or the road less traveled, yet light enough to tackle the steepest grades. The 302 is equally suited to training rides or duking it out at your local race series. - Tubeless design provides secure performance when riding at lower tire pressures - New Zipp graphics and cosmetic identity that scream speed - Dependable 76/176 hubs with Sapim CX Sprint J-bend spokes - Ships with QR end caps and quick release skewers

Zipp's 302 Tubeless rim-brake wheels deliver dependable speed for aspiring and experienced cyclists alike. These wheels provide great value and performance and are now tubeless, allowing you to run lower tire pressure for greater cornering grip and reduced rolling resistance without the risk of pinch flats. Its 45mm deep Indianapolis-made carbon rim is optimized for low aerodynamic drag and precise handling in all riding conditions. The 302's smooth carbon rim is laced to Zipp's 176 hub using Belgian CX-Sprint spokes and brass spoke nipples to build a wheel that is fast and reliable—tough enough to thrive in the big Gran Fondo or the road less traveled, yet light enough to tackle the steepest grades. The 302 is equally suited to training rides or duking it out at your local race series. - Tubeless design provides secure performance when riding at lower tire pressures - New Zipp graphics and cosmetic identity that scream speed - Dependable 76/176 hubs with Sapim CX Sprint J-bend spokes - Ships with QR end caps, quick release skewers

The 303 brings a lot to the table, including heritage proven in the world's hardest races. At the center of the wheelset is Zipp's 77/177 hubset, which results in improved stiffness, durability, simplicity and versatility. The carbon wheel that helped pioneer the Firecrest rim platform for improved aerodynamics and crosswind stability also features the unspoken durability that has repeatedly won Paris Roubaix and the Tour of Flanders - Firecrest rim technology affords the rider more speed, more stability, and more strength. This technology offers stable, predictable handling, and the wider rim increases lateral stiffness while offering greater vertical compliance. Each Wheel Includes: - Zipp Tangente Quick Release Skewer - Zipp Tubeless valve – factory installed - Tubeless rim tape – factory installed - Valve core removal tool - Zipp 77D/177D thru-axle caps to fit 12x100, 15x100 and 12x142 dropouts

Road bikes are going where they’ve never gone before, are expected to do more, and are being ridden harder than ever. At the same time disc brakes are rewriting the rules of what’s possible with rim design. For this new era, the Zipp 303 Firecrest Tubeless Disc-brake wheelset sets the new standard. With a disc-specific, tubeless rim, the 303 Firecrest Carbon Clincher is now internally 21mm wide and faster than ever. Designed from the start as a tubeless rim, the 303 Firecrest features a rim bed made with internal ridges to lock the tire’s bead in place, ensuring secure performance, even when ridden at lower tire pressures. A new carbon fiber layup keeps weight low while maintaining the 303’s legendary durability. The rim’s lightweight design allows the 303 to glide up the steepest climbs while SRAM's robust 77/177D hubset keep the wheels stiff and responsive. Each Wheel Includes: - Zipp Tubeless valve extender and valve-core wrench - Zipp rim tape (factory taped) - Zipp Tangente quick-release skewer - Zipp thru-axle end caps

Road bikes are going where they’ve never gone before, are expected to do more, and are being ridden harder than ever. At the same time disc brakes are rewriting the rules of what’s possible with rim design. For this new era, the Zipp 303 Firecrest Tubeless Disc-brake wheelset sets the new standard. With a disc-specific, tubeless rim, the 303 Firecrest Carbon Clincher is now internally 21mm wide and faster than ever. Designed from the start as a tubeless rim, the 303 Firecrest features a rim bed made with internal ridges to lock the tire’s bead in place, ensuring secure performance, even when ridden at lower tire pressures. A new carbon fiber layup keeps weight low while maintaining the 303’s legendary durability. The rim’s lightweight design allows the 303 to glide up the steepest climbs while SRAM's robust 77/177D hubset keep the wheels stiff and responsive. Each Wheel Includes: - Zipp Tubeless valve extender and valve-core wrench - Zipp rim tape (factory taped) - Zipp Tangente quick-release skewer - Zipp thru-axle end caps

Zipp's 303 Firecrest Tubeless wheels are designed for the real world—a world of imperfect conditions, varying road surfaces, and elements where the bottom line is simple: efficiency = speed. They're faster, lighter, and more capable over varied terrain—whether the surface is pavement in all its conditions or no pavement at all. Deeply rooted in Zipp's drive to conquer the Spring Classics, the new 303 Firecrest is remade with a purpose-made approach for the demands of modern road bikes. When it comes to going fast on a bicycle, efficiency means reduced wind resistance, rolling resistance, rider fatigue, and weight. The 303 Firecrest Tubeless Disc-brake was designed using real-world direct measurements (vs. primarily wind tunnel or computer simulation). The results were huge. Its rim is slightly more bulbous in design than its predecessor, with a 32mm outside width, a 25mm internal width, and a 40mm rim depth. The profile provides low drag and an improved transition between rim and tire, boosting aero efficiency on the road. The wide rim stance also features less tire deflection for reduced rolling resistance. The combination of the wider tire, increased tire volume, and lower tire pressure helps to reduce rider fatigue by smoothing out the ride over imperfect pavement and road conditions—the tire and wheel system absorbs the shaking, not the rider. At the center of the 303 Firecrest Tubeless is a versatile and durable new hubset, the German-engineered ZR1 DB. This hubset features 66 points of engagement for quicker response. The 303 Firecrest Tubeless wheels are for dedicated cyclists who aspire to the latest in technology. They're for those who compete in races, against peers, or simply to conquer personal limits. - New Zipp graphics and cosmetic identity that scream speed - Versatile endurance wheelset for the modern road bike with tubeless and hookless rim profile - Lighter weight than its predecessor, making it nimble and fast - Tubeless Made Easy, optimized tire bed sign allows for simple tool-free installation and removal with no need for an air compressor to seat the tire. - Ultra-wide 25mm rim profile creates a better tire interface to be fast on or off the road - 40mm rim depth makes a light and aero wheel in every situation - Ships with 12mm end caps - Center Lock rotor interface (lockring included)

Zipp's 303 Firecrest Tubeless rim brake wheels offer all-around performance for a new era of road riding. They're rich in heritage yet loaded with innovations; as adept in the mountains as on rolling hills, windswept farm lanes, or ferocious field sprints. At Zipp, we never rest on laurels. These wheels feature a 19mm internal width and are tubeless ready. That means you can run lower tire pressure for greater cornering grip and compliance while still benefiting from reduced rolling resistance and without the risk of pinch flats. When it comes to pure speed, the 303 Firecrest Tubeless packs a serious punch. They're lightweight and feature ABLC Sawtooth Technology, a complex dimpling pattern first developed for our top-level NSW wheel lineup. This technology helps to achieve the optimization of low aerodynamic drag and crosswind stability, which we call AeroBalance. The ShowStopper textured braking surface delivers unrivaled rim braking performance in wet or dry conditions. Lastly, at the center of the 303 Firecrest Tubeless rim-brake is a new versatile and durable hub, the German-engineered ZR1. - Tubeless for secure performance even when ridden at lower tire pressures - New ZR1 hub is engineered in Germany with better seal design for improved durability - Versatile 45mm rim profile that's fast, stable, and versatile - ABLC Sawtooth dimple design helps manage air flow around the rim, and contributes to create a faster, more stable wheel - Showstopper textured brake track delivers superior modulation and shortest stopping distances in wet and dry conditions - New Zipp graphics and cosmetic identity that scream speed - Ships with QR end caps and quick release skewers

Zipp's 303 Firecrest Tubeless rim brake wheels offer all-around performance for a new era of road riding. They're rich in heritage yet loaded with innovations; as adept in the mountains as on rolling hills, windswept farm lanes, or ferocious field sprints. At Zipp, we never rest on laurels. These wheels feature a 19mm internal width and are tubeless ready. That means you can run lower tire pressure for greater cornering grip and compliance while still benefiting from reduced rolling resistance and without the risk of pinch flats. When it comes to pure speed, the 303 Firecrest Tubeless packs a serious punch. They're lightweight and feature ABLC Sawtooth Technology, a complex dimpling pattern first developed for our top-level NSW wheel lineup. This technology helps to achieve the optimization of low aerodynamic drag and crosswind stability, which we call AeroBalance. The ShowStopper textured braking surface delivers unrivaled rim braking performance in wet or dry conditions. Lastly, at the center of the 303 Firecrest Tubeless rim-brake is a new versatile and durable hub, the German-engineered ZR1. - Tubeless for secure performance even when ridden at lower tire pressures - New ZR1 hub is engineered in Germany with better seal design for improved durability and quicker response with 66 points of engagement - Versatile 45mm rim profile that's fast, stable, and versatile - ABLC Sawtooth dimple design helps manage air flow around the rim, and contributes to create a faster, more stable wheel - Showstopper textured brake track delivers superior modulation and shortest stopping distances in wet and dry conditions - New Zipp graphics and cosmetic identity that scream speed - Ships with QR end caps, quick release skewers

Zipp's 303 Firecrest Tubular Disc-brake wheels offer game-changing innovations for performance-minded cyclists. These wheels were developed to meet the needs of our sponsored professional road and cyclocross racers as well as any cyclist who prefer the time-proven ride qualities of tubulars. The 303 Firecrest Tubular features our ABLC Sawtooth dimple design which extends all the way to the edge of the rim. The rim features construction upgrades that deliver improved impact resistance. These innovations enhance a wheelset that's excelled in two of pro cycling's harshest proving grounds, the Spring Classics and the Cyclocross World Cup. At the center of the 303 Firecrest Tubular is a versatile and durable new hubset, the German-engineered ZR1 DB. - Go-anywhere 45mm rim depth tubular pro proven in Spring Classics and Cyclocross World Cup - New ZR1 DB hubset is engineered in Germany with better seal design for improved durability - Center Lock rotor interface (lockring included) - New Zipp graphics and cosmetic identity that scream speed - Ships with 12mm end caps