Description
Run a Boost Hub in Your Non-Boost Fox 40
Trying to fit a modern Boost wheel in your older DH fork?
Rotor rubbing and bad alignment?
You’re not imagining it.
Non-Boost forks like the Fox 40 use older brake spacing, causing issues with modern Boost hubs.
NOTE: NO 15mm Axle included, a 15mm x 175mm Axle is needed.
👉 Now there’s a real solution.
🔥 The Fix: FreakyNut Boost Converter
Run a Boost 15Ă—110 mm hub in:
- Fox 40 (older non-Boost models)
- Marzocchi Bomber DH58
⚠️ Note: Hub end caps must be < 20 mm
Why It Matters
Modern wheels use Boost spacing → old forks don’t.
Result:
- Rotor rub
- Poor alignment
- Compatibility issues
The Solution
âś” Run modern Boost wheels
âś” Keep your DH fork
âś” Perfect alignment
âś” No rotor rub
Built around a solid 15 mm thru-axle (not included)
→ stronger, stiffer, more precise
CNC Precision
- 7075 aircraft-grade aluminum
- CNC machined
- Secure threaded system
- No play, no rattling
Installation
Simple:
- Install system
- Insert wheel
- Install axle
👉 Standard Allen key
Important
You may need to re-dish your wheel:
- Loosen non-rotor side
- Tighten rotor side
→ perfect centering, no rubbing
Specs
- Forks: Fox 40 (older), DH58
- Wheels: Boost 15Ă—110
- Axle: NOT included >> 15×110 TL 175mm is needed for secure mounting.
- Material: 7075 aluminum
- Made in Germany
- Weight: ~100 g











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