Reverse Colab Chain Tensioner – Aluminum, Adjustable, Compatible with 9-11
Replaces rear derailleur with chain tensioner for a simple, secure drivetrain. Adjustable chainline when used in combination with a Singlespeed kit (RV-6700) . Compatible with 9/10/11-speed chains, 13-17 tooth cogs. Aluminum construction, 146gItem Specifications: Color, Black, Model Name, Colab Chain Tensioner, Mount, Derailleur Hanger, Weight, 146g,.