915 Generation 10 Pcs Bike Bicycle 7 8 9 10 11 Speed Flywheel Bottom Bracke

Practical bicycle accessory: these aluminium alloy flywheel hub fit 10 speed cassette to 11 freehub, fit 7, 8, 9 speed cassette to 10 11 speed freehub, fit 7 speed cassette to 8, 9 speed freehub
Multi-functional washer: these bottom bracket can be applied to most bicycles 7 8 9 10 11 speed cassette freehub conversion, bottom bracket adjustment
Detailed size: the inner size of the washer is measured by 35 mm in diameter, while the outer diameter is about 42 mm, appropriate size to fit your speed cassette
Sufficient : you will 10 pieces speed cassette bicycle , consisting of 2 pieces 1 mm, 2 pieces 1.5 mm, 2 pieces 2 mm, 2 pieces 2.5 mm, 2 pieces 3.0 mm Easy to carry around:The bike are light in weight, portable to carry around, you can put in your backpack or use 1 piece of string to thread , convenient to and carry with you. Specifications:
Colour:Red
Material:Aluminum alloy Package Contents:
10 x Bicycle cassette Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.