Features: Fast delivery: We provides the for express service, please feel free to buy. Suitable for mountain bikes, electric bikes, mobility scooter and other bicycle Types:125mmx650lbs/150mmx650lbs/165mmx650lbs/185mmx650lbs NOTE: Please measure the size of your shock for matching before buying. Contact us if you have questions. Package Includes: 1 Pcs Bicycle Oil Spring Shock Absorber . Specifications: Brand: FASTace Model: ZXC-1 Product Name: Spring rear shock absorber Color: black and gold Type:125mm/150mm/165mm/185mm Material: aluminum alloy note: The item does not contain oil. Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you