Shimano BB-UN300 square taper bottom bracket including crank bolts

Item number: 296912
Shimano BB-UN300 square taper bottom bracket including crank bolts - universal | BSA | BSA 73x122.5

Product Description

Bottom bracket BB-UN300 by Shimano for versatile cycling styles

The Bottom bracket BB-UN300 by Shimano is designed for City & Touring, MTB, Road, All Mountain, and Cross Country applications, offering reliable performance across various cycling disciplines. This bottom bracket features a sturdy steel axle with a square taper (JIS) design, ensuring compatibility with many cranksets. Its steel bottom bracket cups provide durability, while the plastic sleeve helps reduce friction and wear. The package includes crank bolts for easy installation. Whether you’re upgrading or replacing your bottom bracket, this component supports smooth pedaling and efficient power transfer. It suits riders looking for a dependable part that balances quality and practicality. The BB-UN300 is a solid choice for maintaining your bike’s drivetrain performance.

Product Specifications:

Application:
All Mountain, Cross Country, MTB, Road, City & Touring
Axle Type:
Square Taper (JIS)

universal | BSA | BSA 68x115:

Axle Length:
115mm
dropdown:
BSA 68x115

universal | BSA | BSA 68x127:

Axle Length:
127mm
dropdown:
BSA 68x127

universal | BSA | BSA 73x122.5:

Axle Length:
122,5 mm
dropdown:
BSA 73x122.5

Technical Information:

Axle Material:
Steel
Bottom Bracket Cup Material:
Steel
Bottom Bracket Sleeve Material:
Plastic

universal | BSA | BSA 68x115:

Bottom Bracket Standard:
BSA

universal | BSA | BSA 68x127:

Bottom Bracket Standard:
BSA

universal | BSA | BSA 73x122.5:

Bottom Bracket Standard:
BSA

Product Features:

  • Versatile bottom bracket BB-UN300 with square taper axle, perfect for city, touring, MTB, road, all mountain, and cross country bikes
  • Durable steel axle and bottom bracket cups ensure long-lasting performance and reliability
  • Plastic bottom bracket sleeve reduces friction for smooth pedaling efficiency
  • Includes crank bolts for easy installation and secure fit
  • Compatible with JIS square taper cranksets, offering broad compatibility across multiple bike types

Manufacturer Number:

  • universal | BSA | BSA 68x115: EBBUN300B15B
  • universal | BSA | BSA 68x127: EBBUN300B27B
  • universal | BSA | BSA 73x122.5: EBBUN300C22B

Contents:


  • 1 x Shimano BB-UN300 square taper bottom bracket

  • 2 x Shimano hexagon head crank bolt

Manufacturer:

Shimano Europe B.V.
High Tech Campus 92
5656 AG Eindhoven
Netherlands
info@shimano-eu.com

Models:

  • universal | BSA | BSA 68x115, currently not available
    18.99€
  • universal | BSA | BSA 68x127, currently not available
    18.99€
  • universal | BSA | BSA 73x122.5, currently not available
    18.99€

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