CeramicSpeed SRAM OSPW System ModelNumber=33223 Laser etched anodized 2014 T6

Laser etched anodized 2014 T6 aluminum cap and bolt

Nickel plated steel gears and phosphate coated lockring

Royal Blood mineral oil

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

CeramicSpeed SRAM OSPW System ModelNumber=33223 Laser etched anodized 2014 T6Proven 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