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Shimano UN-300 Square Taper

Product code: 11704

$23.40

In stock

Shimano UN-300 Square Taper

123mm x 68mm
123mm x 73mm
127.5mm x 68mm

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Great value square taper BB from Shimano.

  • Quality sealed bearing BB from Shimano!
  • Available in a variety of axle widths and BB shell sizes to suit almost any bike.
- New from Shimano, the UN-300 BB - the replacement for the tried-and-tested UN-26 BB.
- Maintenance-free sealed cartridge assembly with extra seal keeps out dirt, mud, and water.
- Adjustment-free installation keeps things nice and easy.
- Available in 122.5mm and 127.5mm axle length with 68mm shell OR 123mm axle length with 73mm shell, to fit a variety of setups.
- Supplied without crank bolts (available here).
- Weight: 122.5mm x 68mm - 286g

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Shimano UN-300 Square Taper

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  • © TartyBikes Ltd, 2026
  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

Tarty Bikes, T/A Inspired Bicycles Ltd, Unit 2 The Gallows, Furnace Road, Ilkeston, DE7 5EP, UK

  • Company No. 06130891
  • VAT. GB 907878771

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