Material —- This Rear Suspension Bushing is made of high-ABS plastic, sturdy and durable, with good impact resistance, stability, toughness, and more durable. Hard Control Bushing —- With construction of heavy duty material, it can withdraw a lot of press without bending. Applicable Model —- Practical accessory fit for Polaris Sportsman 500 4×4 HO 2012. Replacing OE numbers for reference: MG1282101AZ. Easy Installation —- Easy to install, direct replacement for old or broken one. High level of accuracy and sensitivity, enhance safety. Not easy to crack or deform Effective cushioning: : A Arm Bushing Kit has a good cushioning function, which effectively reduces the friction between the metal parts of the vehicle and improves the performance of your vehicle. Feature : 220m1 Pair Rear Spring Shock Absorber Suspension For E-Bike Electric Scooter Bicycle Bike Motorbike Eye center to center 220mm Spring Thickness 5 mm Spring Diameter 47mm Mounting hole diameter: 10mm