Parts & Accessories

STFU drivetrain damping devices are designed to keep your bike running quiet and efficient while minimizing wear. - Includes two adjustable modules that mount to your swing arm. - Dual compound - hard plastic insert keeps the unit stiff and in place with soft over-mold for sound damping. - Suits Trail Bikes with 1X gearing - 9 - 13 speed with up to a 52 tooth cassette - Trim to length, fits most bikes - Light weight and silent