Name: Bike Rear Shock AbsorberBushing length is: 24 x 24mmInner diameter: 8 x 8mmLength: 125mm(5inch)/ 150mm(6inch)/ 165mm(6.5inch)/ 190mm(7.5inch)Pounds: 150Lbs, 250Lbs, 350Lbs, 450Lbs, 650Lbs, 750Lbs, 850Lbs, 1000Lbs,Material: Uses fine imported shock-absorbing steelFeature: High strength steel, Anti-fractureApplicable: XC Soft tail, electric bikes, MTB, Scooter, Folding Bicycle.With upper and lower bushing screwsWeight: approx 380g~1000gColor: blackSUITABLE WEIGHT:150 Lbs: suitable weight: 20--25kg250 Lbs: suitable weight: 25--30kg350 Lbs: suitable weight: 30--40kg450 Lbs: suitable weight: 40--50kg650 Lbs: suitable weight: 50--70kg750 Lbs: suitable weight: 70--80kg850 Lbs: suitable weight: 80--90kg1000 Lbs: suitable weight: 90--140kgFeature: 1- High strength and durability, Improved shock absorption performance. Reduce bumps.2- Replace a poorly functioning rear shock on your mountain bike with new Shock Absorber3- A variety of specifications can be selected, you can better choose the size of your bicycle and the number of pounds that suit youPACKAGE INCLUDW:Bike shock absorber * 1Upper and lower bushing screws: * 2