CEMA – 12V Pulley wheels (12-14T) – Shimano 105, Ultegra, DEORE, SLX, XT, XTR – Full Ceramic – Black

Only the best for every rider Premium products result in first-class performances. That is what CEMA guarantees as a manufacturer of high-quality bearings for the bicycle industry. Making big differences with small parts is our contribution to delivering excellence. CEMA offers a wide range of ball bearing related parts for your bikes and this in different variants: ceramic and steel wheel bearings, bottom brackets with ceramic or stainless steel bottom bracket bearings, pulley wheels, headset bearings, tools and accessories.