PUSH Industries ELEVENSIX RHD Coil Rear Shock – 2021-Current Specialized StumpJumper Evo 110-170lb Rider Weight. The ELEVENSIX is not just a rear shock its a transformative ride experience that allows you to get the most out of your ride. Traction and grip like youve never experienced before. Plush seemingly never-ending travel that is somehow impossibly supportive at the same time. Big hit control that increases confidence and allows you to ride sections of trail that you never considered before. This isnt just a rear shock; this is you more confident than youve ever been on a bike.