Quality KS Kind K Speed 260 ATB Bike Rear Coil Spring Shock for Dual Suspension Mountain Bike MTBProduct description Suspension system: steel spring Adjustability: preloaded Fitted length:165mm ( 6.5 inch) Bushings: without Bearing: adapter: 22 mm, hole: 8 mm Material: 6061 aluminium Weight: 173 g Uses: MTB/Trekking feature 1: 850 LBS SpringFeature..