Reverse Colab Expert Single Speed Chain Tensioner Silver For Vertical Drop-out

Reverse Colab "Expert" Chain Tensioner    
Replaces rear derailleur with chain tensioner for a simple, secure drivetrain
Expert version elevates the Colab chain tensioner for the most extreme use and easy adjustment
Adding 15mm of adjustability for the chainline by loosening one bolt, the Expert version helps riders achieve perfect chain alignment without the removal of the tensioner
Adjustable limit stopper as well as a pinch bolt on the mounting bracket and higher spring tension provide more chain retention and also maintains position when the rear wheel is removed
Compatible with 9/10/11-speed chains, 13-17 tooth cogs.
Aluminum construction, made in Germany
Model: Colab Expert chain tensioner
Mount:  Deraileur hanger
Color:    Silver
Weight:    146g
Mfg part#: 40297
EAN:4717480172467