Scope of Application:Shock absorber, the appearance has been polished many times, smooth and clean, anti-oxidation and anti-stamping. Suitable for motorcycles,off-roader,ATVs,karts,etc. with 240mm/9.45in mounting diameter. for 240mm shock absorbers Scope of Application:Shock absorber, the appearance has been polished many times, smooth and clean, anti-oxidation and anti-stamping. Suitable for motorcycles,off-roader,ATVs,karts,etc. with 240mm/9.45in mounting diameter. Professional :Rear shock absorber, with spring adjustment, it is suitable for quad bikes,some pit bikes,off-road vehicles and other projects, professionally manufactured, reliable performance, can quickly absorb impact on the softest road, improve safet, use this shock damper to give you better ride quality. Practicality:The rear shocks with springs after comprehensive redesign and adjustment, high protection grade, durable and sturdy. The shock struts damper will greatly reduce vibration and improve stability.