Images show selected end caps for reference only.

Industry Nine Hydra2 end caps are available individually or as pairs for different front and rear hub configurations. Select the correct option for your hub.

FRONT HUBS

• 15x110 DS (MAX4682)
  Single drive side end cap for Hydra2 15x110mm front hubs.
• 15x110 Torque Kit (MKMA05)
  Pair of RockShox Torque Caps for compatible Hydra2 15x110mm front hubs.
• 15x110 Torque DS
  Single drive side Torque Cap for compatible Hydra2 15x110mm front hubs.
• 15x110 Torque NDS
  Single non-drive side Torque Cap for compatible Hydra2 15x110mm front hubs.
• 20x110 Boost Kit (MKMA41)
  Pair of end caps (MAX4653 and MAX4654) for Hydra2 20x110mm Boost front hubs.
• 20x110 Boost DS (MAX4653)
  Single drive side end cap for Hydra2 20x110mm Boost front hubs.
• 20x110 Boost NDS (MAX4654)
  Single non-drive side end cap for Hydra2 20x110mm Boost front hubs.
• 20x110 Non-Boost DS
  Single drive side end cap for Hydra2 20x110mm Non-Boost front hubs.
• 20x110 Non-Boost NDS
  Single non-drive side end cap for Hydra2 20x110mm Non-Boost front hubs.
• 20 to 15mm Conversion (MAX4655 and MAX4656)
  Pair of conversion end caps for compatible Hydra2 20x110mm front hubs.
• 20 to 15mm Conversion NDS (MAX4656)
  Single non-drive side conversion end cap for compatible Hydra2 20x110mm front hubs.

REAR HUBS

• 12x142/148/157 HG/XD (RAX3637 and RAX3646)
  Pair of end caps for compatible Hydra2 rear hubs with HG or XD freehub bodies.
• 12x148/157 MS (HAX2644 and RAX3646)
  Pair of end caps for compatible Hydra2 Boost and Super Boost rear hubs with Micro Spline freehub bodies.