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Ceramic bearing for minimal resistance and exceptional durability
Composite material provided by EMS Swiss, with 40% glass-fiber mixture
Sealed bearings with aluminium cover for optimal durability
Lubed with special ceramic oil for an even lower resistance
Compatible with 12-speed Shimano MTB groupsets
The RollerBoys Ceramic 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! The ceramic bearings make sure your pulleys will roll super smooth. High-quality pulley wheels are a must-have for every serious bike rider, with the RollerBoys Ceramic you are good to go!
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| Unit: |
pair |
| Colour: |
black-red |
| Position: |
lower, upper |
| Teeth: |
13 |
| Number of gears: |
12 speed |
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