Shimano UN300 Square Taper English Bottom Bracket (Silver) (BSA) (73mm) (118mm)

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Shimano UN300 Square Taper English Bottom Bracket Description:

Shimano BB-UN300 Square Spindle 73mm Bottom Brackets make for a lasting replacement for square-tapered cranksets on English threaded bicycle frames.


Features:

  • Fits JIS square-taper cranksets
  • Includes crankarm fixing bolts
  • Hollow spindle

Specifications:

  • Frame Interface: BSA/English Threaded
  • Spindle Interface: Square Taper JIS
  • Bottom Bracket Shell ID: 1.37
  • Shell Width: 73mm
  • Spindle Lengths: 113mm, 118mm, 122.5mm
  • Color: Silver
  • Weight: TBD

This product was added to our catalog on September 7, 2022

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