BBB Cycling 11-T Ceramic Derailleur Shimano Jockey Wheels Shimano, SRAM and Campagnolo Compatible Pulleys Ceramic Bearings 9- 10- and 11-Speed RollerBoys BDP-12

• QUICK SHIFTING PERFORMANCE: The RollerBoys derailleur jockey wheels make shifting gears a breeze thanks to the 11-teeth pattern
• WIDELY COMPATIBLE: The derailleur jockey wheels are suitable for use with Shimano, SRAM and Campagnolo systems with 9- 10- and 11-speed
• DURABLE: The Pulleys are made of a composite material provided by EMS Swiss, with 40% glass-fiber mixture
• ULTRA SMOOTH: The jockey wheels have low-friction ceramic bearings with oil lubrication for an exceptional smoothness and durability
• BUSHINGS INCLUDED: The derailleur jockey wheels come with a complete set of bushings for different shifting systems

RollerBoys 11-Teeth Ceramic Derailleur Pulleys Take your cycling up a gear with the RollerBoys 11-Teeth Derailleur Pulleys. Designed for road bikes, urban bikes, and mountain bikes, these jockey wheel pulleys take your ride from steady to unbelievably smooth with frictionless gear changes thanks to the special 11-teeth pattern. This means fewer wasted watts as you pedal, giving you more speed and efficiency. Equipped with ceramic bearings lubricated with special ceramic oil, these bike derailleur pulleys are not only incredibly durable but also provide exceptional smoothness, allowing you to shift gears at lightning speed. The durability is also thanks to the EMS Grivory, a Nylon composite material of a 40% glass-fiber mixture offering significant strength compared to regular Nylon. The RollerBoys 11-Teeth Ceramic Pulleys are incredibly versatile, being suitable for a wide range of Campagnolo, Shimano, and SRAM systems: Shimano 9-, 10-, and 11-speed, Campagnolo 9-, 10-, and 11-speed, and SRAM 2x 11-speed. What’s more, these bike pulleys come with a complete set of bushings for compatibility with different shifting systems.