Compatible with rear suspension spring/shock damper. – pit bike rear shock Easy installation and does not require any sort of modification or drilling. – ssr 125 tr rear shock upgrade Fit for Dirt Bike/Quad/ATV/Pit with the length of 290mm. – ssr 140 rear shock Rod size of 12mm and real heavy stuff rating of 1200lbs. – ssr 125 tr rear shock Made of high aluminum alloy for rigidity and durability, corrosion-proof. – 2021 ssr 125 replacement rear shock Size:290mm 11.42″ 100% brand new universal shock absorber Fit for Most electric motorcycles Fit for Pit Dirt Bike Quad ATV Go Kart Buggy Fit for Honda Suzuki Yamaha Kawasaki Motorcycle Material: Steel+Aluminium Alloy Installation Type: Eye to Eye Length of Eye to Eye Core: 290mm 11.42″ Eye Diameter: 10mm (0.39″) Spring diameter: 7mm (0.28″) Packaged Included: 1 pair Shock Absorbers Maximum load capacity of a single shock absorber is 200 lbs Please carefully compare the pictures and check the size before buying, whether it