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:
Application:
Includes:
If you have questions about “Low Drag” option for the Strange Engineering directional calipers, please let us know.