Race Face Chester Seatpost 31.6 x 325mm Black Max Psi-500 }Shimano Ultegra ST-8150 Di2 Dual

}Shimano Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Right 12-Speed Black

Sized for one 20" BMX bike

Made from durable aluminum casting

9 400mm 15mm Offset Black

Pressure mapping technology was used to create a foundational shape based on anatomical science which was then refined to create the perfect shape for gravel cycling

Race Face Chester Seatpost 31.6 x 325mm Black Max Psi-500 }Shimano Ultegra ST-8150 Di2 DualForged 6061 aluminum tube, shot peened for fatigue resistance, ideal for Downhill Freeride Dirt Jump use Dual bolt, multi adjustable head. 231g (31. 6mm) TECH SPECS model Chester diameter 31. 6mm length 325mm setback zero material aluminum color black