Delivered Duties Paid! | Fast U.S.A Delivery🇺🇸

  • Delivered Duties Paid!

    No Hidden Delivery Charges

  • Got a question?

    Click Here To Ask!

  • Fast U.S.A Delivery

    Reliable tracked shipping

  • Price Match Promise

    Seen it cheaper? Tell us!
Shimano

Shimano BB-UN300 Square Taper Bottom Bracket

$16.00
Size

Delivery & shipping info

How long will my order take to arrive?

U.S.A. : from 3 to 7 working days

How much does postage cost?

From just $15 with all duties paid!

We stay in close contact with our shipping partners and regularly review the market to make sure we’re offering the best delivery options at the best possible prices. All deliveries are shipped with duties and taxes paid, so there are no additional costs on arrival.

Need more help?

Whether you need some help with a product query, such as sizing, or have questions and comments about our services, our customer service team is here to help. You can contact us by email or live chat.

Email: info@sportandleisure.com

Live chat: In the bottom corner of your screen

SKU: BB30068
EAN: 4550170619329

Description
Shimano BB-UN300 Square Taper Bottom Bracket

The Shimano BB-UN300 Square Taper Bottom Bracket is a durable, low-maintenance replacement designed for bicycles with traditional square taper cranksets. Ideal for commuter bikes, touring bikes, classic road bikes and mountain bikes, it provides smooth, reliable crankset rotation and long-lasting performance.

Featuring a sealed cartridge bearing assembly, the BB-UN300 helps protect its internal components from dirt, mud and water, reducing wear and eliminating the need for regular bearing maintenance. Its precision bearings ensure smooth operation, while the robust construction provides dependable performance for everyday cycling.

  • Model: BB-UN300
  • Bottom bracket type: Sealed cartridge
  • Axle interface: Square taper
  • Bottom bracket shell width: 68mm
  • Spindle length: 113mm
  • Bearing type: Sealed cartridge bearings
  • Maintenance: Maintenance-free sealed bearing assembly
  • Installation: Cartridge design requiring no bearing adjustment
  • Intended use: Road, MTB, touring and commuter bikes
  • Compatibility: Square taper cranksets requiring a 113mm spindle
← Browse all Shimano products
← Shop all Bottom Brackets