The Shimano Nexus C7000 gear hub (model BR-R8170-R + SM-BH90-JK-SS) offers smooth and reliable five-speed shifting. Made of lightweight aluminum with 36 spoke holes and a stylishblack finish for any bike.
Specifications:
Color: black
Material: aluminum
Length: 1700 mm
Model: BR-R8170-R + SM-BH90-JK-SS
Number of holes: 36
Number of speed: 5
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