The progression begins at 50% of spring compression and the proportional rate increase would be somewhere along the lines of an air shock with 1 volume spacer installed

The corrugated rim centre adds exceptional strength

mm to over 2mm

16 vents optimally tuned with the channelling of the helmet

RevGrips Replacement Lock-On Clamp - Red - Pro Series - Single PDP|Option The progression begins at 50%This is a single (one, lonely, all by itself) replacement Lock On Clamp including Screw. Who's this item for: Riders running the Rev grips suspension grips looking for a spare or replacement lock on clamp to keep their grips securely on the bars FYI: The image shows a set of grips with a set of 4 clamps for reference. You're purchasing ONE, Single, replacement clamp. You need to purchase 4 individual clamps for a complete set of grips.