RockShox: Blistering sprints, chunky descents, and high-speed singletrack — SIDLuxe Ultimate is built for this. Its new three-position (3P) XC damping gives you efficiency when you want it and travel when you need it with Open, Pedal, and Lock positions. SIDLuxe is the only super-light rear shock that can go toe to toe with your favorite SID fork.FEATURESNEW Three-position damping system: Open, Pedal, and Lock.NEW High speed compression damping blow-off for Open and Pedal positions.NEW Ultimate graphics package includes the decal option in our new signature Blue Crush colorway.Super-light XC design delivers premium performance and efficiency.Dial in the perfect feel with multiple Open, Pedal, and Lock compression tunes available.Designed to complement the feel of the SID and SID SL 3P suspension forks.Compatible with the latest TwistLoc Ultimate remote.Four damper control options to accommodate all bikes: lever adjust, remote in, remote out, backside remote. SPECIFICATIONSEye to eye / Stroke 190x40Air volume Solo AirRemote TwistLoc 3 pos remote sold separatelyHose length/Cable Exit Out PullModel designator (SR) UltimateDamper Type RLRRebound tune R29Compression tune C25Pedal tune MDLockout force X8Colour (Shock body )BlackColour (Decal) BlueDecal orientation AShaft Eyelet StandardBody Eyelet No Bushing - 90 Deg RotationDamping adjustments Extl rebnd, 3 pos remote (open/pedal/lock)Volume reducer 0 Tokens – No Eyelet Volume SpacerCheck Tune STDE-Bike Approved E-bike ApprovedRebound Clicks 11Max Air Pressure (PSI) 325