Zipp 303 Xplr S Tubeless Gravel Rear Wheel. Unleash your gravel potential with the Zipp 303 XPLR S rear wheel. This affordable yet robust wheelset boasts a mega-wide, tubeless, hookless rim for unparalleled gravel speed and efficiency. Experience reduced rolling resistance and the freedom to run lower tire pressures (under 30psi) thanks to increased air volume, mitigating vibrations and enhancing grip. Seamless tire integration maximizes aero performance on any terrain. Despite its substantial profile, the 303 XPLR S is surprisingly light, keeping you fresh for epic rides. Compatible only with approved tires like the Goodyear XPLR Slick and Inter. Upgrade your gravel experience without breaking the bank. The Zipp 303 XPLR S is big upgrade for gravel riders without a big price tag. This wheelset borrows key innovations from our premium wide gravel wheelset, it is affordable and robust for discerning gravel riders. This wheelset is the fastest on gravel, thanks to its mega-wide rim that integrates seamlessly with approved gravel racing tires.* In gravel, resistance and vibrations from bumpy surfaces create a barrier that slows riders down. To combat this, Zipp applied Total System Efficiency specifically to the challenges of gravel. The wide profile increases air volume, allowing for lower tire pressures without squirm. That means you mitigate surface vibrations while maintaining grip when cornering or traction while climbing. The rim profile also creates a seamless transition with gravel tires for unsurpassed aero efficiency on gravel. And while the 303 XPLR S is built big, it's light to keep you fast and fresh for those long, fulfilling days in the saddle. The Zipp 303 XPLR S is compatible only with approved tires.Features:- Fast and robust gravel wheel, features tubeless and hookless rim profile- Ultra-wide internal profile for decreased rolling resistance, ability to run pressures under 30psi (2.1 bars)- Wide and deep profile integrates seamlessly with gravel tires to increase aerodynamic efficiency- Applies Zipp's Total System Efficiency to high-performance gravel- Ships with 12mm front and rear end caps- Max tire pressure 50 psi/3.45 bar- Lifetime Warranty- 303 XPLR S IS ONLY COMPATIBLE WITH APPROVED TIRES. The Goodyear XPLR Slick and Goodyear XPLR Inter are specifically designed and optimized for the 303 XPLR S.Specifications:- Size (wheels): 700c- Rim construction: Hookless/Tubeless Straight Side (TSS)- Tire compatibility: Approved TLR tires (40c-61c) w/ tube or sealant- Rim depth: 54mm- Brake compatibility: Disc (Center Lock)- Rim inside width: 32mm- Rim profile: Symmetrical- Rim finish: UD fiber, adhesive decals- Nipple material: Aluminum- Spoke type: CX-Sprint- Spoke count: 24- Spoke pattern: 2 Cross- Axle type (Wheels): TA 12x100, TA 12x142- Bearings: Cartridge - Carbon Steel- Max tire pressure: 50psi/3.45bar- Max recommended system weight: 298lbs/135kg- Max outside width: 40mm. tradeinn Bikeinn