RockShox ReAktiv/ThruAktiv Damper Shaft 47.5-55mm 11.4118.094.550 104 Provides extra support when shifting

Provides extra support when shifting to the front of the saddle when climbing

Made exclusively for Specialized frames with molded-in internal bearing cups

Weight: 375g (0

37 BB/Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 105 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Defined Color Purple

RockShox ReAktiv/ThruAktiv Damper Shaft 47.5-55mm 11.4118.094.550 104 Provides extra support when shiftingRockShox Rear Shock Damper Shaft Assembly Deluxe Reaktiv (A1 B1) 47. 5 55mm. RockShox Deluxe Reactiv Rear Shock Damper Shafts for service and repair.