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
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!
Specification:
Pulley size – 12/14T
Bearings material – CERAMIC
Gears -12-speed
Compatible withSRAM
Part materials – Grivory EMS
Narrow Wide – TENSION PULLEY ONLY
Weight (g) – 26
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