Application:Rear suspension shock absorber, suitable for most mountain bikes with the same installation size.The suspension provides a smoother rid OCCASION??This coil shock pack includes many features found on higher end shock absorbers. This rear shock absorber is a perfect enhancement to mountain bikes, electric bikes, mobility scooter and other bicycle. PRODUCT SPECIFICATION??High-quality finished surface: CNC alloy material, dark hard-anodized, Coil spring. Bushings: Top bushing size is 8mm x 24mm; bottom bushing size is 8mm x 24mm AVAILABLE SIZE??Available Size Eye to Eye x Travel and Spring rates: 190mm ?? 50 mm ( 7.48 ?? 1.97 inch) 1000Lbs??190mm ?? 50 mm ( 7.48 ?? 1.97 inch) 1350Lbs??160mm ?? 50 mm ( 6.30 ?? 1.97 inch) 1350Lbs??160mm ?? 50 mm ( 6.30 ?? 1.97 inch) 1000Lbs??125mm ?? 50 mm ( 4.92 ?? 1.97 inch) 850Lbs Note??Please measure the size of your shock for matching before buying Feature: 1. Simple and accurate internal structure for easy to install and disassemble. 2. Air as the main sh