Type: spring shock absorber (back gall) Length: Eye to eye - 160mm Pounds: 650LBS ( 295KG ) Max rated Application: Soft tail / full suspension mountain bike Easy to install, no drilling or welding required, match perfectly. Note: The length is the distance between the upper and lower screws. The pound is the spring pressure. Generally, the higher the pound, the spring is slightly thicker. This is New Unused Factory stock, but there may be some slight scratch or scuff marks due to storage ( not always but we sell them like this just in case ) Clearance pricing last chance to buy! Any questions feel free to ask. Many thanks, Kai.