Product Information
- 170mm crank arm length without any overlap of crank arm and chain ring bolt.
- An ideal replacement for bike repair, compatible with many bike models.
- Standard precision machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise.
- High strength and deformation resistance, durable for long time use.
- Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike.
