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Mount Your 15mm Boost Wheel to Any 20mm DH Fork-Fast, Safe & Easy
Use your 15x110mm wheel on RockShox Boxxer, SR Suntour Rux38, Fox40 & Podium forks—no tools required.
Convert A 20mm DH Fork to Fit a 15mm Boost Wheel
- Fits Boxxer, Rux38, Fox40 Fox Podium & more
- Installs in seconds—no tools required
- CNC-machined from strong, lightweight 7075 aluminum
- Made in Germany, tested by riders
- Same Day International Shipping with DHL
- Secure checkout: PayPal, Apple Pay, Credit Card
Join the Fork Adapter Revolution
Choose our Adapter and Ride whatever 15mm Boost wheel you like in a Rockshox Boxxer. a Rux38 or Fox 40.
More than a Product
The Freakynuts® Adapter Set is more than just a product—it’s a revolution for mountain bikers who refuse to be held back. We created this solution because we’re riders who’ve faced the same frustrations you have. We believe in making biking accessible, fun, and hassle-free for everyone.
The Fastest Way to Ride Your 15mm Wheel in a 20mm Fork
- No tools needed—install in seconds
- Fits Boxxer, Rux38, Fox40, Fox Podium USD and more
- Made in Germany, tested by riders
- CNC Machined Aircraft alluminum
- Same day international shipping
Tested by Riders, Proven in Europe’s Toughest Bikeparks
Since early 2024, we’ve pushed Freakynuts® Adapters to the limit on our Commencal Supremes—riding hard in Bikeparks like Bikepark Leogang, Bikepark Samerberg, Bikepark Geisskopf, and Bike Republic Sölden.
Result:
Not a single sign of wear. 100% reliable—ride after ride.