Cycling 2 x 11-T Derailleur Jockey Wheels Rear Whee Pulleys Aluminium Alloy Derailleur Bikes Ultralight Bearing for 9- 10- and 11-Speed Campagnolo RollerBoys and SRAM BDP-02

• 【Efficient Shifting】Shifting is easy because the 11-speed chain derailleur guide wheel has an 11-tooth design
• 【Strong Durability】The bike parts are constructed from CNC aluminum alloy, which ensures optimal strength and durability while maintaining a low weight of about 10 grams. For a perfect finish, CNC machined structure enhances quality. In order to ensure long-term use, the guiding pulleys are anodized to avoid rust and corrosion
• 【Quiet Feeling of Use】Comparing pulleys with sealed ball bearings to those without, sealed CrMo bearings enables quieter, smoother operation
• 【High Fit】For road cycles components, these pulleys work well
• 【Widely Compatible】This product is compatible with the following systems: for SRAM 9-speed, 10-speed, and 11-speed - Speed; for Campagnolo 9-speed, 10-speed

【Efficient Shifting】Shifting is easy because the 11-speed chain derailleur guide wheel has an 11-tooth design. 【Strong Durability】The bike parts are constructed from CNC aluminum alloy, which ensures optimal strength and durability while maintaining a low weight of about 10 grams. For a perfect finish, CNC machined structure enhances quality. In order to ensure long-term use, the guiding pulleys are anodized to avoid rust and corrosion. 【Quiet Feeling of Use】Comparing pulleys with sealed ball bearings to those without, sealed CrMo bearings enables quieter, smoother operation. 【High Fit】For road cycles components, these pulleys work well. 【Widely Compatible】This product is compatible with the following systems: for SRAM 9-speed, 10-speed, and 11-speed - Speed; for Campagnolo 9-speed, 10-speed, and 11-speed.