`- Replaces rear derailleur with chain tensioner for a simple, secure drivetrain\n- Adjustable chainline when used in combination with a Singlespeed kit (RV-6700) \n- Compatible with 9/10/11-speed chains, 13-17 tooth cogs\n- Aluminum construction, 146g
- model:
- Colab chain tensioner
- mount:
- derailleur hanger
- color:
- black
- weight:
- 146g