The 12-tooth narrow-wide design on these CeramicSpeed pulleys decreases chain articulation and ensures a crisp chain engagement on to and off of each pulley. The symmetrical 12-tooth narrow-wide design allows the chain to move smoothly on and off the pulleys without additional friction. CeramicSpeed Pulley Wheels for Shimano 11s, 12-tooth is developed, designed and handbuilt in Denmark.
Additional details:
Gears
11
Actuation
Electric
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