CeramicSpeed Pulley Wheels - 12-speed | Narrow/Wide | for Campagnolo - black

These CeramicSpeed Pulley Wheels put less friction between the power transferred from your legs and the rear wheel. Each pulley wheel is fitted with CeramicSpeed high quality bearings that offer for a more efficient drivetrain. The symmetrical narrow-wide tooth profile ensures stable chain retention across mixed terrain surfaces with no chain drag. For Campagnolo 12-speed. Better than the standard equipment, these pulley wheels are made of aluminum alloy that is extremely lightweight. Low friction and long lifetime is essential for these pulley wheels. Whats in the Box: Two 12-tooth pulley wheels CeramicSpeed Bearing Oil 15ml dripper bottle Sticker sheet