【SIZE】 BCD: 130mm, Crank Arm length: 170mm, Chainring(3/32" 52T),compatible with 9/16" pedals, chain size 1/2"*1/8", chain line 45mm, B.B.Axle recommended 118mm. External width between chain guard is 15.4mm (0.6in), total diameter of chain guard is 226mm (8.9in).
【MATERIAL】This crank set is made of forged aluminum alloy 6061-T6 and 3mm alloy chainring, which is of high strength and durable, weight is approx 725g/1.60lb.
【NEW DESIGN】Our crankset has high strength, can be used for a long time. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing. Double alloy chainring cover, avoid chain rubbing riders pants, prefect for daily commuting.
【COMPATIBILITY】Easy Installation,A good replacement for bike repair, compatible with city folding bike. Check Frame chain stay clearance before purchase.
【PACKAGE INCLUDE】Complete set including left crankarm, right crankarm and chainring(52T, replaceable) and double Chainguard (alloy). Please measure the size to confirm it fit your bike before you order.