Technical Help

Use the resources below to find the right component, understand bearing technology, or locate a replacement derailleur hanger for your build.

Bottom Bracket Resources

How To Select a Bottom Bracket

Not sure which bottom bracket fits your frame and crankset? Start here. This guide walks through shell standards, spindle interfaces, and compatibility considerations so you can choose with confidence.

Sealed Bearing Tech

Learn how Wheels Mfg sealed bearings are engineered, what sets them apart from open-bearing designs, and how to maintain them for long-term performance.

Shop Bottom Brackets

Browse the full Bottom Brackets collection — filtered by shell standard, spindle type, and material — to find the exact part for your drivetrain.

Derailleur Hanger Resources

All Derailleur Hangers

Search our complete derailleur hanger catalog by frame brand and model to find a direct-fit replacement. If you're unsure of your hanger number, check your frame's documentation or contact us.