RockShox DebonAir C1 Seal Head Upgrade Kit - 35mm Fits Lyrik/Yari A1+ 2016+/Pike B1+/Revelation A1+ 2018+ Drivetrain Speeds-8 Shimano CS-HG400 9-Speed CassettesNickel plated

Shimano CS-HG400 9-Speed CassettesNickel plated finish for corrosion resistance

Aerobar Base Bar Bracket allows for width and angle adjustments of hydration system without impacting aerobars

6 400mm 25mm Offset Black

Double or Triple Double Drivetrain Speeds 9 Derailleur Capacity 16 Front Derailleur Clamp 28

Direct shifter mounts available for SRAM and Shimano EV

RockShox DebonAir C1 Seal Head Upgrade Kit - 35mm Fits Lyrik/Yari A1+ 2016+/Pike B1+/Revelation A1+ 2018+ Drivetrain Speeds-8 Shimano CS-HG400 9-Speed CassettesNickel platedRockShox DebonAir C1 Seal Head Upgrade Kit 35mm Fits Lyrik Yari A1+ (2016+) Pike B1+ Revelation A1+ (2018+). RockShox Seal Head Assemblies