Adjustable spring rate coil that's also progressive. Sprindex is specifically designed to have a progressive spring rate for the last 20% of stroke for big hit support and for bikes with a linear linkage design.
- Adjustable spring rate
- Adapters included for different size shocks and set ups
- Made of super high tensile spring steel
- Stroke (ins): 2.2
- Material: Steel
- I.D. (mm): 38.3
- Spring Weight: 610 - 690