BBB - RollerBoys Pulleys

BBB - ROLLERBOYS PULLEYS 

The RollerBoys will make your bike ride so smooth that you will never stop anymore! The composite material is strong and durable and the special teeth pattern makes sure you can shift to a higher gear with the speed of light! High-quality pulley wheels are a must-have for every serious bike rider, with the RollerBoys you are good to go!

10T, compatible with: 

• Campagnolo, Shimano, SRAM  
• 7, 8, 9 and 10 speed 

11T, compatible with:   

• Campagnolo, Shimano, SRAM
•  9, 10 and 11 speed  

12T, Compatible with,

• Shimano 12 speed