About Cema Stainless Steel Pulley Wheels Aluminium Black

• Pulley wheels Shimano and Sram compatible
• Full Ceramic, SRC ceramic or stainless bearing
• 9/10/11 speed compatible

About Cema

CEMA specialises in the development and production of high-quality (ceramic) bearings for various industries and cycling. CEMA SRC bearings and components are specially designed for applications in cycling sports and take on the challenge of athletes making the highest demand on their equipment. We offer a wide range of wheel bearings, bottom brackets, headset bearing, derailleur pulleys and tools.