RockShox Reverb AXS Dropper Seatpost - 30.9mm 200mm Travel Black B2 ModelNumber=22290 and arched cutaways with accordian

and arched cutaways with accordian side sipes

Unique mountain peak-evolved composite stud and rubber lug tread inserts give brilliant bike control and slip free security without trashing your shoes or your shins

Neoprene and airprene construction

Fusion Dot Red

}Shimano EW-SD50 Di2 E-Tube Wire 800mm

RockShox Reverb AXS Dropper Seatpost - 30.9mm 200mm Travel Black B2 ModelNumber=22290 and arched cutaways with accordianAir over air design that is more robust, and durable compared to older versions of the Reverb AXS post Collar mounted battery provides additional tire clearance Features ActiveRide, a compliant platform for technical climbs when not in fully extended rigid position Compatible with all saddle rail types (7x7, 7x9x and 7x10) Includes post, battery and charger, AXS controller (GS70836) sold separately Model Reverb AXS (B2) Travel Drop 200mm Diameter 30.