Zipp 404 Firecrest Carbon Tubeless Rear Wheel B

Zipp: The Zipp 404 Firecrest Tubeless Disc Rear Wheel is built for riders who want proven aero speed without sacrificing versatility. With its 58mm carbon hookless rim, wide 23mm internal profile and tubeless-only design, it gives serious road riders a fast, efficient platform for racing, triathlon, gran fondos and high-speed training.The 404 Firecrest is designed around Zipp’s Total System Efficiency approach, targeting the real-world forces that slow riders down: wind resistance, rolling resistance, gravity and vibration losses. Its ABLC Sawtooth surface texture helps improve aerodynamic performance, while the wider rim profile supports modern tubeless tyres at lower pressures for better comfort, grip and efficiency across varied road surfaces.At the rear, the German-engineered ZR1 Disc Brake hub delivers durability, improved sealing and fast engagement through its 66 points of engagement. Combined with Centre Lock disc brake compatibility and a SRAM/Shimano Road driver body, this is a premium rear wheel built to deliver race-ready speed and dependable performance across changing conditions.Features • 58mm deep aero carbon rim for fast road and race performance • Tubeless and hookless rim profile for modern tyre set-ups • 23mm internal width supports wider tyres at lower pressures • ABLC Sawtooth surface texture improves aero efficiency • ZR1 Disc Brake hub with improved sealing and 66 points of engagement • Centre Lock disc brake interface with lockring included • Ships with 12mm end caps • SRAM/Shimano Road driver body • Lifetime warrantySpecifications Orientation: Rear Wheel Size: 700c Rim Construction: Carbon hookless Tyre Compatibility: Tubeless tyres only Rim Depth: 58mm Internal Rim Width: 23mm Maximum Outside Width: 28mm Surface Texture: ABLC Sawtooth Brake Compatibility: Disc, Centre Lock Rim Profile: Symmetrical Spoke Type: CX-Ray Spoke Count: 24 Spoke Pattern: 2 cross Nipple Material: Aluminium Nipple Anti-Rotation: Sapim Secure-Loc Hub: ZR1 Disc Brake Driver Body Type: SRAM/Shimano Road Axle Type: TA 12x142 Axle Material: Aluminium front and rear Bearings: Steel cartridge Driver Mechanism: 6 pawls leaf spring, 66 POE Driver Body Material: Aluminium Maximum Tyre Pressure: 73psi Maximum Recommended Rider Weight: 250lbs Spoke Length DS: 248mm Spoke Length NDS: 252mm Weight: 981g