- Trek's exclusive ThruShaft design responds to changes in terrain faster than any other shock on the market - Low Speed Compression adjustment offering three options to find your perfect match - Features an oversized thermal compensator for greater temperature stability - Adjust with a “fully checked” damper, your compression settings work independently, not to be bothered by each click of Rebound - Shock controls optimized for frame integration and rider ergonomics - MegNeg air can is not compatible with MY21 Super Deluxe Ultimate ThruShaft - Only compatible with purple tokens for positive and negative air spring tuning
