The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.

• Features two oversized 17-tooth aluminum pulley wheels with Grade 3 Silicon Nitride balls
• Robust cage crafted from polyamide and carbon fiber for durability and light weight
• Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
• Only compatible with SRAM 11-speed eTap derailleurs (fits up to 32t cassettes)
• Not compatible with 12-speed eTap AXS
• CeramicSpeed products with coated bearings include a 6-year warranty