Mountain Race Shop™ — Shim Calculator FREE PREVIEW — Graphs & targets visible, recommended stacks require subscription
FREE PREVIEW

Free Preview: Enter your data and see force-velocity graphs + ideal targets. Recommended shim stacks require a subscription.

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Rider & Bike Setup

Fork Dyno Data

V (m/s)Base Comp (N)Rebound (N)

Fork Shim Stacks

Base Valve — Compression

DiaThkQty

Rebound

DiaThkQty

Shock Dyno Data

V (m/s)Comp (N)Rebound (N)

Shock Shim Stacks

Compression

DiaThkQty

Rebound

DiaThkQty

Calculation Results

Recommended shim stacks will appear here after calculation.

Unlock Recommended Shim Stacks

Your force-velocity graphs and ideal targets are shown above.
Subscribe to see the recommended, softer, and stiffer shim stacks
plus simulation analysis and printable build sheets.

Subscribe from $49/month
Founders access: $290 one-off (limited to 50)