Bicycle Oil Spring Shock Absorber Mountain Bike Rear Shock Absorber Aluminium Alloy MTB Rear Absorber Suspension with Screws Kit 165mm (6.5'') x 43mmFeatures:Premium aluminum alloy with high strength and durability.Can effectively reduce the impact of the entire vehicle, making you more comfortable in the riding process.Suitable for mountain bikes, electric bikes, mobility scooter and other bicycles.Note: Please measure the size of your shock for matching before buying.Specifications:Material: MetalType: Type 1 /Type 2 / Type 3 /Type 4 / Type 5 /Type 6 ( optional )Color: BlackType 1Product Length: 120 mm/4.7 inProduct Weight: 237 g / 8.4 ozLoad Capacity: 550 lbsTravel Distance: 30 mm / 1.2 inType 2Product Length: 125 mm/4.9 inProduct Weight: 271 g / 9.6 ozLoad Capacity: 750 lbsTravel Distance: 18 mm / 0.7 inType 3Product Length: 150 mm / 5.9 inProduct Weight: 320 g / 11.3 ozLoad Capacity: 750 lbsTravel Distance: 30 mm / 1.2 inType 4Product Length: 150 mm / 5.9 inProduct Weight: 345 g / 12.2 ozLoad Capacity: 1000 lbsTravel Distance: 43 mm / 1.7 inType 5Product Length: 165 mm / 6.5 inProduct Weight: 352 g / 12.4 ozLoad Capacity: 1000 lbsTravel Distance: 43 mm / 1.7 inType 6Product Length: 190 mm / 7.5 inProduct Weight: 388 g / 13.7 lbLoad Capacity: 1000 lbsTravel Distance: 55 mm / 2.2 inPackage List:1 * Shock Absorber2 * Screws