RockShox Vivid Ultimate RC2T Rear Shock 230 x 62.5 mm Vivid Air 2 Tokens Reb55 Comp37 L O4 Std 10x40 10x54 C1 Trek Slash 2021+ Cassette Cogs 11 13 15 18 21 24 28 32 36 40 }Hope BSA Threaded Bottom Bracket }Hope BSA Threaded Bottom Bracket 68 73 For 24mm Spindle Stainless Black Color Black Ring Position Type Chain Retaining Single Ring Tooth Count 30 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 96 Shimano Asymmetric Material Aluminum Defined Color Black Position sensitive damper offers reliable performance and tunability with unreal sensitivity and response at every position throughout the travel remains stable and supportive through mid travel