This tool pushes the negative spring against the sealhead so you can set the shock correctly.

• Lets you set the correct IFP depth from the service manual
• Prevents the shaft from moving after pressurization
• Avoids incorrect oil volume and damper imbalance

Without compressing the negative spring, the shaft will extend after pressurizing, which changes the IFP depth and gives a wrong setup.

• Place the tool on the sealhead
• Pull the shaft slightly and tighten the knob
• This compresses the negative spring fully

Two ways to use it:

• With 6-pin shocks (Vivid): mounts directly into the 6-pin wrench
• With pliers (Super Deluxe / Vivid Coil): use an 8" Knipex or similar

After bleeding, remove the tool, tighten the sealhead to spec, then set IFP depth.

• M8 metal screw + embedded metal nut
• No plastic threads → no stripping
• Textured knob → tighten fully by hand

High clamping force, no tools required.

The screw does not press directly on the shaft.

• Uses a TPU interface between the screw and the rail
• TPU transfers the load evenly onto the shaft
• No marking, no slipping

This allows very high clamping force while staying safe on components.

• Vivid bore vise → circular seat for Vivid Air (fits around bumper / head)
• Flat vise → fits 12.7mm (1/2") shafts

Both work — choose based on your setup.

Compatible with most stroke lengths (50–75 mm).

• RockShox shocks with counter-measure / negative spring
• Vivid (Air & Coil)
• Super Deluxe
• EXT and similar designs

Designed to be fully universal for this type of damper.

Optimized to fit directly into our Vivid 6-pin wrench.

• Works with Knipex 8" pliers (recommended)
• Also works with adjustable / crescent wrenches

Knipex is preferred for better grip and no slipping.

• Always release air and IFP pressure before opening a shock
• Follow your shock service manual
• See full instructions in our manual