STR-B5109R – Strange Engineering Caliper “Low Drag” O-Ring Service Kit for Four Piston Directional Caliper

The STR-B5109R is the Strange Engineering “Low Drag” round O-ring freshen up kit for the Strange Engineering four piston directional calipers.  The “Low Drag” option reduces the drag on the piston allowing for faster / more piston retraction when the pressure on the caliper it released.    Description: Caliper O-ring kit Services one caliper Application: Strange directional calipers – B5002 / B5004 Includes: (2) 1.750″ piston round O-ring (Low Drag Option) (2) 1.625″ piston round O-ring (Low Drag Option) (1) Crossover port round O-ring If you have questions about “Low Drag” option for the Strange Engineering directional calipers, please let us know.