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Wheels Manufacturing

Wheels Manufacturing has spent over three decades solving the drivetrain compatibility problems that keep bikes off the road — bottom brackets for virtually every shell standard, derailleur hangers for hundreds of frame models, and the precision small parts that hold everything together. If your frame runs BB30, PF30, BB86, T47, 386EVO, or BBRight, there's a Wheels Manufacturing solution for it.

The collection at RA Cycles spans 81 products: angular contact and ABEC-3 bottom brackets in thread-together and press-fit configurations, an extensive library of frame-specific derailleur hangers, thru axles, and replacement bearings — the parts that keep you riding when something wears out or needs an upgrade.
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About Wheels Manufacturing

Wheels Manufacturing was founded in 1988 by Dave and Cindy Batka in Boulder, Colorado, starting as a small machine shop making cog removal tools and chainring spacers. What began as a niche operation grew into one of cycling's most relied-upon parts suppliers, now based in Louisville, Colorado with a catalog of over 1,000 products. The company changed hands in 2019 and has continued expanding — most recently acquiring the Mirrycle and Incredibell brands. Visit Wheels Manufacturing's website for their full catalog and compatibility guides.

At RA Cycles, the Wheels Manufacturing selection centers on their bottom bracket lineup and derailleur hanger library. Bottom brackets cover the full range of modern shell standards — BB30, PF30, BB86/92, T47, BBRight, and 386EVO — in thread-together designs with angular contact or ABEC-3 bearings. The derailleur hanger selection spans over 40 frame-specific models covering road, gravel, and mountain frames from across the industry.

For complete drivetrain work, browse our broader bottom brackets and cranksets and chainrings collections. For frame-specific replacement parts, see frame-specific parts and derailleur hangers. The full bike components collection is the place to start if you're building up a drivetrain from scratch.

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R&A Cycles - 50th Anniversary

50 YEARS AND COUNTING

From a Brooklyn storefront to flagships in Walnut Creek and Miami, from handwritten mail orders to a fully digital custom bike builder — RA Cycles has spent half a century doing one thing: serving riders who demand the best. That half-century belongs as much to you as it does to us. The riders who kept coming back, who sent their friends, who trusted us with bikes that matter — you're the reason we're still here. Here's to the next fifty.

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