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ROTOR UBB 4630 Bottom Bracket

Josh Matthew June 6, 2024

$115.00$265.00

Works with PF30, BBRight or 386 EVO bottom brackets

Clear selection

ROTOR UBB 4630 Bottom Bracket

The ROTOR UBB 4630 Bottom Bracket adapts any PF30, BBRight or 386 EVO bottom bracket shell to fit a 30 mm diameter crank spindle. However, what is unique about ROTOR’s UBB, is that it features external bearings and uses a threaded sleeve to lock the bottom bracket cups in place. This offers several advantages over a more traditional press fit bottom bracket. The ROTOR UBB helps provide a uniform, smooth spin to the crankset, it helps eliminate any unwanted noises and creaks; it works to improve bearing life; and the external location of the bearing results in increased shell stiffness.

Compatibility

Works with PF30, BBRight or 386 EVO bottom brackets.

Specs

  • Shell Width: 68/79/83/86.5 mm
  • Type: PF30/BBright/386EVO Threaded
  • Axle Size: 30 mm
  • Built using 7000 series aluminum alloy
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