Fox Fork GRIP X2 Topcap HSC LSC Interface Parts 2025 for Suspension Tuning

The Fox Fork GRIP X2 Topcap HSC/LSC Interface Parts (2025) are genuine OEM replacement and upgrade components for riders running Fox's GRIP X2 damper system. Available in Black Anodised and Blue Anodised finishes, these interface parts govern the high-speed compression (HSC) and low-speed compression (LSC) adjustment dials at the top of the fork — the controls you reach for every time you dial in your suspension to match the trail ahead.

The GRIP X2 damper is Fox's flagship four-way adjustable system, found on their top-tier trail and enduro forks. The topcap interface parts are a wear item and a common service point — if your HSC or LSC dials have become stiff, imprecise, or damaged, replacing these components restores the crisp, tactile adjustment feel that makes the GRIP X2 such a capable damper. Using genuine Fox parts ensures the tolerances, detent feel, and sealing are exactly as Fox intended.

These are 2025-spec parts, so always verify compatibility with your specific fork model and year before ordering. If you're unsure, our team can help confirm fitment. For a full suspension service, explore our complete range of Fox components and spares, our fork collection, and our wider suspension spares and accessories.

Currently available at £35.71, reduced from £37.99 — a cost-effective way to restore full damper adjustability without a full fork service or replacement.

What It's Good For

• Replacing worn, stiff, or damaged HSC/LSC topcap interface parts on Fox GRIP X2 forks
• Restoring precise, tactile compression adjustment on Fox's flagship four-way damper system
• Colour-matching your fork topcap in Black Anodised or Blue Anodised finish
• 2025-spec genuine Fox OEM parts for correct fit and damper performance
• Cost-effective alternative to a full fork service when the damper body is otherwise in good condition

What It's NOT Good For

• Fox forks running the GRIP or GRIP2 damper — these parts are specific to the GRIP X2 system
• Non-Fox suspension forks — this is a Fox-specific OEM component
• Older Fox fork models — always verify 2025-spec compatibility with your fork before ordering
• Riders needing a full damper rebuild or fork service — additional parts and fluids may be required

Frequently Asked Questions

What is the difference between HSC and LSC on the GRIP X2?
HSC (High-Speed Compression) controls how the fork responds to sharp, sudden impacts like rock strikes and roots. LSC (Low-Speed Compression) governs the fork's response to slower, sustained forces like braking and body weight shifts through corners. The GRIP X2 allows independent adjustment of both, giving you fine-grained control over your suspension feel.

How do I know if these parts are compatible with my Fox fork?
These are 2025-spec GRIP X2 interface parts. Check your fork's damper type (printed on the lower leg or in your fork's documentation) — it should confirm GRIP X2. If you're unsure, contact us with your fork model and year and we'll confirm compatibility.

Can I install these myself?
Experienced riders and mechanics comfortable with suspension servicing can install these parts. However, if you're not familiar with Fox fork internals, we'd recommend having them fitted by a qualified suspension technician to avoid damaging the damper.

Does the colour affect performance?
No — the Black Anodised and Blue Anodised variants are functionally identical. The colour choice is purely aesthetic, allowing you to match or contrast your fork's existing finish.