C-68 Bicycle Conversion Kit Crank Bike ceramic Bottom Bracket Kit For Replacemen

Description

C-68 Bicycle Conversion Kit Crank Bike ceramic Bottom Bracket Kit For Replacemen
Description
GUB C-68 aluminum alloy bearing bicycle shaft
1. Specifications: Five-way inner diameter 24MM68/73M,
2. One sprocket compatible with SHIMANO FSA
3. Mountain/Road Bike
4. Color: black, red, blue, titanium alloy
5. Weight: 120g
Feature:
1. Almost not afraid of corrosion-Ceramic rolling bearings are suitable for use in harsh conditions with corrosive media.
2. The density of ceramic balls is much lighter than the density of steel-the centrifugal force of the outer ring can be reduced by 40% when rotating.
3. The life span is greatly extended.
4. Ceramics are less affected by thermal expansion and contraction than steel-bearings can work in environments with severe temperature differences.
5. The elastic modulus of ceramics is higher than that of steel
6. It is not easy to deform when stressed, which is beneficial to increase the processing speed and achieve higher accuracy.
Package list:
1 x crankshaft
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