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








