Features Weighs 30 g lighter than previous model ZR1 SL hubset with ceramic bearings TSE for greater efficiency and reduced rolling resistance Sawtooth rim with Hyperfoil nodes and HexFin ABLC dimple pattern for top aero and crosswind-stability performance with an undulating 53/58mm rim depth Zipp graphics applied using Zipp’s ImPress direct-print technology XDR or SRAM/Shimano driver bodies Ships with 12mm front and rear end caps Center locking rotor interface. Lockring is included with the wheels Campagnolo driver body sold separately 1400 g Lifetime Warranty Specifications Size (wheels): 700c Rim construction: Carbon – Hookless Tire compatibility: ISO/TSS Compatible tubeless tires (28-35c) tube or sealant Rim depth: 58mm Brake compatibility: Disc (Center Lock) Rim - inside width: 23mm Rim profile: Symmetrical Rim finish: UD fiber, Impress technology Hub: ZR1 SL Driver body type: SRAM XDR, SRAM/Shimano Road, n/a Bearings: Custom Hybrid Ceramic - 61803/61903, Custom Hybrid Ceramic - 61803 Max tire pressure: 73psi/5.0bar Max recommended system weight: 250lbs/114kg Spoke Length DS: 252mm, 254mm Spoke Length NDS: 256mm Max outside width: 28mm