Custom Fit
We make it fit and there is nothing better than a perfect fit.
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Testimonials
See what people have to say about their Castle frame
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Options
Hand pick each element on your custom frame or choose from one of our mountain or road kits.
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Gallery
Take a look at our frames being built, completed, and in action.
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Recent Blog Posts

See what's going on in Castle Framework's world.
Doug’s 96er
Joe’s Allroad
Bike Delivery – Missoula, MT