The large-diameter pulley reduces the load and achieves better power efficiency. The pulley tooth tips feature our unique narrow-wide design "X-ODON" technology. Also provides smooth shifting and saves wattage. Compact upper pulley Optimizes shifting performance Carbon pulley reduces chain noise Number of teeth/material of pulley: 16 x 20T / Carbon Cage: Normal Cage material: Carbon composite Bearing: Full ceramic RD type: RD3 ◤ List of RD compatible models SRAM RD3: RED, FORCE, RIVAL, APEX The situation differs under various circumstances, not only the size of the pulley and the number of teeth on the sprocket, but also the design of the frame and the length of the chain. We cannot provide reliable answers to questions about whether or not it can be used or whether it can be handled. *Requires assembly and maintenance by a professional shop with specialized knowledge. Please consult a specialty store with specialized knowledge regarding suitability and installation. *The full ceramic type uses ceramic materials for both the ball and race, and has a sealless structure. Regular bearing cleaning is required to maintain performance. Please be careful.




Size: ‎Small
Material: ‎Plastic
Packing size: ‎19.6 x 13.7 x 5.2 cm; 200 g