Reverse colab expert chain tensioner black

- latest addition to the reverse single-speed drivetrain family - specially developed for freeride and downhill riding - very safe robust and at the same time easily adjustable chain tensioning system - chainline adjustable up to 15 mm - adjustable stop limiter - together with the clamping screw on the mounting bracket and a higher spring tension the new features ensure noticeably less chain slap even on the hardest landings - the expert enables a quieter reliable and adjustable single-speed setup - the cnc-machined aluminum guide plates in combination with the new tooth de