CeramicSpeed 3D Hollow Titanium Coated OSPW System

CeramicSpeed 3D Hollow Titanium Coated OSPW System With its industry-leading design and boutique materials; the CeramicSpeed 3D Hollow Titanium Coated OSPW System is the fastest in the world. Its oversized pulleys save over 2.4 watts of energy over standard Shimano systems; making this the ultimate upgrade for your compatible rear derailleur. As used by professionals; this product is hand-built in Denmark and features CeramicSpeed coated bearings to enhance its longevity and limit drag. Includes A complete 3D printed OSPW System for your choice of rear derailleur CeramicSpeed Pulley Oil; 15ml Sticker Sheet