RockShox Rear Shock Damper Shaft Assembly - Deluxe Reaktiv A1-B1 Deluxe Thruaktiv A1-B1 57.5-65mm ModelNumber=J2861 Optimized gear steps across entire

Optimized gear steps across entire range Range 11-42 Cogs 11-13-15-17-19-22-25-28-32-36-42 Cassette Body Type Shimano HG Drivetrain Speeds 11 Color Black Weight 538 Defined Color Black keyword search apex Gear Range 11-42T

Model Poseidon Color Blue/Green Size One Size Fits Most

Inner plastic sleeve

Kits include enough parts for one fork

RockShox Rear Shock Damper Shaft Assembly - Deluxe Reaktiv A1-B1 Deluxe Thruaktiv A1-B1 57.5-65mm ModelNumber=J2861 Optimized gear steps across entireRockShox Deluxe Reactiv Rear Shock Damper Shafts for service and repair. Year 2017 20 Model Re: Aktiv (A1 B1) Description Damper Shaft 57. 5 65mm