Sprindex Adjustable Rate Coil Spring, 55x126mm - 490-560lbs Derailleur Hangers with the lightest weight air

with the lightest weight air spring on the market

- For mounting Paul flat mount calipers to flat mount frames and forks

155851-Q0-L

Manufacturer Part Number: TG/ISCG05

- **Designed for the professional mechanic as the end user

Sprindex Adjustable Rate Coil Spring, 55x126mm - 490-560lbs Derailleur Hangers with the lightest weight airAdjustable base spring rate by changing the length of effective coils Includes spring, adjuster, and 5 Delrin performance adapters that allow the spring to spin while compressing and also adapt to a variety of shocks on the market Coil is made of super high tensile spring steel similar to "lightweight" springs (which is why Sprindex is lighter than regular springs) in order to handle the stress of the system when adjusted to its highest spring rate