CeramicSpeed OSPW X Alpha Pulley Wheel System SRAM RED/Force/Rival XPLR E1 - ALPHA Aluminum Pulley Carbon Cage BLK CheckoutTitle=WTB Pure Saddle - Steel Valve Length 42mm Shaft Type LS comp and 3

CeramicSpeed OSPW X Alpha Pulley Wheel System SRAM RED Force Rival XPLR E1 ALPHA Aluminum Pulley Carbon Cage BLK CheckoutTitle=WTB Pure Saddle Steel Valve Length 42mm Shaft Type LS comp and 3 Valve Length 42mm Shaft Type Non threaded Tube Width 28 42C Valve Presta Wheel Diameter 700C Tube Weight 145g Spoke Interface J Bend Skewer Included No Defined Color Orange Rear Axle 12mm Thru x 157mm Color Orange Flange Diameter Right 60 Flange Diameter Left 58 Weight 304 Hub Drilling 32 Bearing Type Sealed Cartridge Hub Brake Compatibility 6 Bolt Disc Cassette Body Type SRAM XD 11 12 Speed Center to Flange Right 29 Center to Flange Left 41 Grade 3 Silicon Nitride ball bearings are 400% smoother 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry The 14 tooth upper and 20 tooth lower Alpha pulley wheels feature ADR (Active Debris Remover) bearing protection that completely encloses the bearings