ELEVN OFFERS OUR NEW ELITE CHROMOLY COG.
THIS CHROMOLY REAR COG BUILD TO HOLD UP TO UNLIMITED GATE STARTS, SPRINTS, AND HOLESHOTS FROM USA #1 PROS, OLYMPIC CHAMPIONS, AND ALL AROUND FAST GUYS CONNOR FIELDS AND JORIS DAUDET, SO YOU KNOW THEY CAN TAKE THE POWER.

Features: 
Heat Treated Chromoly SCM440 treated
Shimano compatible and 3/32”
Wide 5mm alloy cog base for great contact with cassette body and lock mech.

Sizes :
14, 15, 16 & 17t options 

Color :
ED Black with laser etched logos