RockShox CSU - Lyrik B1-C1/Yari A1-B1 DebonAir 27.5"/29"/27.5+ 15 x 110 42mm Offset Diffusion BLK No Gra dient CheckoutSpec= Recon Gold RL Boost A4 (2018+)/Sektor RL C1 (2019+) Offered in two versions -

Offered in two versions - a 10-speed and 11-speed each is intended to improve the shifting of your 1x drivetrain

9 36w Rim - 27

Tooth Count 46 Ring Position/Type Single Drivetrain Speeds Single Speed 3/32" Chainring BCD 110 Color Silver Defined Color Silver Material Stainless Steel

A external type bottom bracket cups

RockShox CSU - Lyrik B1-C1/Yari A1-B1 DebonAir 27.5"/29"/27.5+ 15 x 110 42mm Offset Diffusion BLK No Gra dient CheckoutSpec= Recon Gold RL Boost A4 (2018+)/Sektor RL C1 (2019+) Offered in two versions -RockShox Crown Steerer Upper Tube Lyrik B1 C1 Yari A1 B1 DebonAir 27. 5" 29" 27. 5+ 15 x 110 42mm Offset Diffusion Black (No Gra dient. RockShox 35mm Crown Steerer Uppertube Assemblies