Echo Lockring

Lock ring for the Arise Echo hub and similar.

Size:1.37″ 24t BSA thread, 5mm thick, 39mm OD

Material:7075-T6 alloy

Features:
– CNC machined 7075-T6 Aluminium
– Shimano HyperGlide fitment
– larger 39mm diameter for a tighter and more secure hold on the cog
– for use with 39mm OD BB tool
– fits Arise Echo cassette hub
– 5mm thick