This Single Speed tensioner by Cyclingdeal is a product allowing single speed set up to be run on geared bikes without the expensive modification you had to do in the past. This chain tensioner mounts right onto your derailleur hanger to provide a simple, effective and adjustable way to tension a single speed system.
Fits single ( Chain width 3/32" only, NOT 1/8" ) and multi-speed chains. To avoid from chain drop, we recommend to use round and oval shape chains only. Material: aluminum alloy. 11T Plastic pulley. Adjustment tensioner included. Weight: 110g
Compatible with Shimano and Sram hubs. Affordable Space Kit Allowing you to go Single Speed. Comes in a Range of Spacer Size's Allowing to get a Perfect Chain Line. Fits 1/2" x 3/32" single speed chains