Check the listing for details. Ohlins Lightweight Steel Coil Spring for Rear Shock - 605 lbs/in, 57mm Stroke. Condition: New. Listed at 140.00 USD. Achieve a perfectly tuned suspension with the Ohlins lightweight spring series. With a wide range of spring rates available, you can easily find the right spring for your bike and riding style.The latest generation of their spring series combines race-ready weights with big mountain strength. Cutting-edge heat treatments and advanced materials enable Ohlins to stress their spring coils more intensely without damage, allowing them to build them stronger and lighter than ever before.All spring series come in increments as small as 4 Nm/23 lbs/in, making it easy to find a spring that suits your bike and riding style. If you require more than two turns of preload, we recommend switching to a stiffer spring to achieve optimal performance. Item Specifications: Stroke (ins), 2.25, Material,.