Eje de pedalier externo BB30A de Wheels Manufacturing para bielas de 24 mm con rodamientos de contacto angular

The Wheels Manufacturing BB30A Outboard Bottom Bracket for 24mm Cranks with Angular Contact Bearings exists to solve a specific problem: running a 24mm spindle crankset in a BB30A frame without the creaking, slop, or premature wear that plague most adaptation solutions. By moving the bearings outboard of the shell, the design improves load distribution and reduces flex under hard pedaling efforts — and the angular contact bearing geometry handles the combined radial and axial loads that cycling generates more effectively than standard deep-groove bearings.

Wheels Manufacturing's reputation in the bottom bracket space comes from treating tolerances as non-negotiable. When this bracket eventually needs service, the bearing replacement process is straightforward and tool-accessible — a meaningful advantage over pressed-in alternatives that can damage shells on removal.

Wheels Manufacturing BB30A Outboard Bottom Bracket Specs at a Glance

• Shell compatibility: BB30A
• Crank compatibility: 24mm spindle (Shimano-compatible)
• Bearing type: Angular contact
• Bearing position: Outboard
• SKU: BB30AOUT-SHIMAC