Circle Biycle Chainring  BCD110 Narrow Wide Circle 1x System 4 bolts 46T 48T 50T 52T 54T 56T 58T 60T For SRM Powermeter 

Note: this chainring is circle ,BCD110 4 bolts, 1xsystem ,special for SRM Powermeter, it can be used in 9-12 chain MTB. Other brand bicycle can not be used. Please make sure your application before place the order, thanks

Features:

Material: Al7075-T651

Thickness:4mm

Teeth:42T 44T 46T 48T 50T 52T 54T 56T 58T 60T

Color:Black

4bolts are included

Package include: only 1pcs chainring(Crank are not included)