Perfect Material:Forged Aluminum Alloy AL7075-T6 Crank, Chainring Material is Aluminum Alloy, Strong and Lightweight Forged Aluminum Alloy Crankset for ultimate strength and reliability
Size:This crank arm length is 170mm, and the 130BCD single round chainring is available in 5 sizes (45T 47T 53T 56T 58T) for those who want better control of the bike
Chain guard:The package contains left and right crank sets, and a separate chain guard is designed to prevent chain damage, extend service life, and facilitate use in daily commuting
Appearance Craftsmanship: The chainring and bicycle crank are electroplated matte black, CNC processed and anodized, easy to clean, simple to operate and easy to install