Sprindex Adjustable Weight Rear Coil Spring - XC / Trail 610-690 lbs 55mm 2.2" Stroke. 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
- TECH SPECS
| Spring Weight | 610 - 690 |
| Material | Steel |
| I.D. (mm) | 38.3 |
| Stroke (ins) | 2.2 |