Oil spring shock absorber: The newly designed rear shock absorber is suitable for bicycles such as mountain bikes, electric vehicles, and scooters. Type: 120mm/125mm/150mm/165mm/190mm-550lbs/750lbs/1000lbs Shock absorber effect: effective shock absorber, easy to control various road sections, when driving potholes, the shock absorber can effectively filter, making riding more able! Weight reduction design: The main body is of aluminum alloy material: 1. Light weight; 2. Anti-corrosion and wear resistance; 3. Long service life; 4. Good stability! Note: Please measure the size of your shock absorber before buying to match; if you have any questions, please feel free to consult us, we are willing to answer any questions for you! Size:150mm/750lbs Mountain bike hydraulic shock absorber rear bladder folding bike oil spring shock absorber 120/150/165/190 Name: Oil spring shock absorber Material: aluminum alloy Stroke: 30mm Pounds: 550LBS Weight: 237g Features: light weight/high stabilit