RockShox SIDLuxe Ultimate 3P A2 Rear shock 165x40 Shaft Eyelet: Trunnion Body Eyelet: Standard R85 C30 X8 1 TokenSmooth out the path to the podium when you pair SID with SIDLuxe Ultimate. A new three position damping system features Open, Pedal and rock solid Lockout positions for the ultimate efficiency when putting the power down. Only the necessities in this lightweight package with minimal high speed compression and maximum leg burning speed. SRAM Model ID: RS SIDL ULT3 A2 TECH SPECS Damping RL Damping Adjustments External rebound 3 position compression