Ergon SM E-Mountain Core Prime Saddle -Stealth, Mens, Small/MediumThe Core saddle is made for the riding position on typical for E MTBs. Seating comfort is dramatically enhanced while your lower back is relieved. The rear ramp supports the rider better in steep up hill situations when seated and also improves your riding skills: To achieve the best possible traction your body weight needs to be transferred evenly onto the bike through the saddle, which is why the 3D flexibility of the ergonomic core improves power