CeramicSpeed SRAM OSPW System ModelNumber=33223 Nickel plated steel gears and

Nickel plated steel gears and phosphate coated lockring

Includes skewer Rim Width (Internal) 25 Front Axle QR x 100mm Valve Presta Color Black Wheel Size 26"

Reflective logo on back for increased visibility

Laser etched anodized 2014 T6 aluminum cap and bolt

Captive rotating axle washer reduces friction on bikes frames and forks during installation preventing potential damage

CeramicSpeed SRAM OSPW System ModelNumber=33223 Nickel plated steel gears andProven to be the fastest pulley system, chosen by many of the world's leading cycling teams and professional triathletes Optimized tooth designs offer 3 5 times longer life than standard OE pulleys Standard: low drag with hardened steel races and ceramic ball bearings Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion In the box: complete upper and lower OSPW