Shimano Internally Geared Hub and Dynamo Small Parts.
FEATURES:
- Assembly for internally geared 7-speed hub for roller brake
- Internal gear engagement is designed to provide a smoother ride
- Nexus 7-speed hub gear range: 1st gear = 0.632, 2nd gear = 0.741, 3rd gear = 0.843, 4th gear = 0.989, 5th gear = 1.145, 6th gear = 1.335, 7th gear = 1.545
- 182mm axle length
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