BCD144 Fixed GearTrack Bike Chainring 49T 51T 53T 55T 60T Al7075 Made

Note: this chainring is bcd144 fixed gear, it can use in track bike. using 1/8" chain. single speed.Thank you.

Features:

Material:Al7075-T651

Thickness:4mm

Teeth:42T 43T 44T 45T 46T 47T 48T 49T 50T 51T 52T 53T 54T 55T 56T 57T 58T 59T 60T 61T 62T 63T 64T 65T 66T 67T 68T 69T 70T

BCD144

Color:black

Package:1pcs fix gear chainring with bolts