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These boys will keep you rolling
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!
Product Specifications :
- Colors - Black
- Compatible with brands - SRAM
- Part materials - Grivory EMS
- Gears - 10-speed, 11-speed, 9-speed
- Bearings material - CrMo
- Narrow wide - No
- Pulley size - 11T
