(Silver)1Pair 170MM Mountain Road Bike Alloy Single Crankset Repair Parts BJ

Feature: \n 1. Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike\n2. High strength and deformation resistance, durable for long time use\n3. Standard accuracy machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise\n4. 170mm crank arm length without any overlap of crank arm and chain ring bolt\n5. A good replacement for bike repair, compatible with many bike models \n\nSpecification: \n\nFeatures: \n\n1. Made of premium aluminium alloy, hollow design, which is lightweight, adding no heaviness to bike. \n\n2. High strength and deformation resistance, durable for long time use. \n\n3. Standard accuracy machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise. \n\n4. 170mm crank arm length without any overlap of crank arm and chain ring bolt.\n\n5. A good replacement for bike repair, compatible with many bike models. \n\nSpecification:\n: