General description Zipp’s 303 Firecrest Tubeless rim-brake wheelset is designed for versatile road riding, excelling in various terrains from mountains to rolling hills. This wheelset combines heritage with modern innovations, offering a lightweight and aerodynamic performance that enhances speed and stability. Technical specifications Rim construction: Carbon Rim depth: 45mm Rim - inside width: 19mm Rim profile: Symmetrical Surface texture: ABLC Dimples Brake compatibility: Rim Tire compatibility: Clincher, Tubeless Ready Nipple material: Aluminum Spoke type: CX-Sprint Spoke count: 24 Hub: ZR1 Axle type: QR 135 Max tire pressure: 125psi Max recommended rider weight: 250lbs Part Weight: 842g Compatibility and accessories Driver body type: SRAM/Shimano Road Ships with QR end caps and quick release skewers Campagnolo driver body sold separately Other information