Features:
1. Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike.
2. High strength and deformation resistance, for long time use.
3. Standard accuracy machining, which ensures chain retention, increases service life, and reduces friction and noise.
4. 170mm crank arm length without any overlap of crank arm and chain ring bolt.
5. A good replacement for bike repair, compatible with many bike .

Specification:
Material: Aluminium Alloy
Color Options: Black; Silver
BCD: 130 mm (suitable for 107-100mm)
Arm Length: 170 mm/ 6.7 inch
Fit for: pedal diameter = 9/16
The distance from the center of the plate nail to the center axis: Approx. 65mm / 2.6in
Applicable bottom bracket: Approx. 107-110mm / 4.2-4.3in Weight: Approx. 555 g

Package List:
1 * Pair of Crank Arms

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