A T47 threaded bottom bracket with internal angular contact bearings, built for 24mm diameter Shimano crank spindles in wider bottom bracket shells.

Highlights

  • Machined aluminium cups thread directly into a T47 bottom bracket shell
  • Angular contact bearings engage all balls across a larger surface area, cutting friction and wear
  • Internal bearing design, typically used in shells wider than 73mm
  • Bearings are easily serviced or replaced
  • Includes a sleeve between the cups to keep out dirt and protect internal cables and hoses

Threading and installation

Like standard BSA threaded cups, the drive side cup is left-hand thread and the non-drive side is right-hand thread. Use a quality grease on steel or aluminium shells, and an anti-seize compound on titanium shells.

Fitting

Tune's workshop can fit this bottom bracket for you — the right cup tool and torque setting matter, especially on a press-fit or T47 shell.

Compatibility & fit

Fits T47 threaded frames, typically in shells wider than 73mm, with 24mm diameter Shimano crank spindles.

Wheels Manufacturing backs this bottom bracket with a 1 year warranty against manufacturing defects, plus 30-day returns. For warranty support, return the product to Tune Cycles and we'll manage the claim with Wheels Manufacturing's Australian distributor.
  • Machined aluminium cups thread directly into a T47 bottom bracket shell
  • Angular contact bearings engage all balls across a larger surface area, cutting friction and wear
  • Internal bearing design, typically used in shells wider than 73mm
  • Bearings are easily serviced or replaced
  • Includes a sleeve between the cups to keep out dirt and protect internal cables and hoses
Frame interfaceT47 threaded
Shell widthTypically wider than 73mm
Crank spindle diameter24mm (Shimano)
Bearing positionInternal
Bearing typeAngular contact
SKU SCV-WMBB-T47-BB-SHIM-AC
Brand Wheels MFG

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