RockShox MegNeg Air Can Upgrade Kit Deluxe Super Deluxe Rear Shocks 185/210 x 47.5-55mm BLK CheckoutSpec= Fibre-Tek NOT compatible with Ti spindle

NOT compatible with Ti spindle Super Record

Number of Chainrings No Rings No Spider IncludedDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 170Crank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Carbon

SRAM Model ID: FS-UPK-CH21-A1

The reducers are engaged with a lever and have one disengaged position and 4 levels of resistance (3 levels for 125) to provide options for adjusting training resistance or braking down hills

Quick release button: used to release the jaws after initial tension release with the rotating handle

RockShox MegNeg Air Can Upgrade Kit Deluxe Super Deluxe Rear Shocks 185/210 x 47.5-55mm BLK CheckoutSpec= Fibre-Tek NOT compatible with Ti spindleRockShox MegNeg Air Can Upgrade Kit for Deluxe and Super Deluxe Rear Shocks 185 210 x 47. 5 55mm Black. Featuring more tunability than ever before the Megneg air can provides an even larger negative volume giving you more mid stroke support a plusher initial feeling and more bottom out force using less tokens. Go ahead and tune your shock exactly to your ride. Includes air can tokens seals & decals Compatible with Deluxe and Super Deluxe rear shocks