12-Speed Mountain Bike Flywheel
12-speed mountain bike flywheel wide-tooth ratio mountain flywheel, larger gear than flywheel, more effort for single dish teeth climbing.
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Specification:
The back of the gear hollow design can reduce weight. Powerful, durable and more effortless climbing!
Feature:
Color: Silver

Category: 12-Speed, 11-50T

Speed: 12-Speed

Teeth number: 11-13-15-17-19-21-24-28-32-36-42-50T
Item Included:
https://buyyou.net/cbe/data/prd/033/010/4.jpg Item Number Description QTY Unit
033010 12-Speed Mountain Bike Flywheel 1 Set