20S Aluminum Alloy 39T-53T Bike Crankarms with Electroplating Process 22 Speed,53T/39T Dental Disc (including Central Axis) NO5249

Features:

1.24mm hollow-body axiss, chromes aluminum steel to strengthen hardness and rigidity

2.Aluminum alloy crank + chromium molybdenum steel gear plate, wear-resistant, strong force, not easy to break

3.Shifts pin, fast gear shifts, the details are full of professionalism

4.Both sides are inner hexagonal pair lock design, which effectively prevents the screw from slipping, and can be repeatedly disassembled and assembled

5.Chromes-molybdenum steel material, M19 thread inner diameter

6.High-strength aluminum alloy crank, with a weight reduction design on the back, which does not add load to riding

Notice:

Actual color may be slightly different from the image due to different monitor and light effect

Please allow 1-3cm deviation due to manual measurement

Description:

1.Product name: hollow crankset for road bikes

2.Number of teeth: 53-39 teeth

3.BCD: 130MM

4.Compatible: 2*10/11 speed

5.Outer diameter of shaft: 24mm

6.Crank length: 170mm

7.Colour: Black

8.Material: chromium molybdenum steel + aluminum alloy

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