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Shimano BB-UN300

Price in EUR including VAT
Delivered between Sat, 13/9 and Tue, 16/9
More than 10 pieces in stock at supplier
Free shipping starting at 39,–

Product details

The Shimano BB-UN300 is a high-quality square taper bottom bracket designed for improved performance and stability while cycling. It features a robust construction with premium cartridge bearings that ensure optimal chain stability. This bottom bracket is available in various mounting options, including standard, E-Type, and with chain protection, making it versatile for different setups. The aluminum adapter material provides durability and reliable use. With a shell width of 68 mm and an axle length of 122 mm, the BB-UN300 is designed for BSA frames and allows for easy installation. The combination of functionality and quality makes this bottom bracket an excellent choice for discerning cyclists.

  • High-quality cartridge bearings for enhanced performance
  • Available mounting types: Standard, E-Type, and chain protection
  • Robust aluminum construction for longevity
  • Optimal chain stability through integrated stabilizer.

Key specifications

Axis diameter
4 mm
Frame compatibility
BSA
Axis compatibility
Square-taper
Box width
68 mm
Item number
16207389

General information

Manufacturer
Shimano
Category
Bottom brackets
Manufacturer no.
EBBUN300EB23X
Release date
5/7/2021

Colour

Colour
Silver
Exact colour description
Silver/Black

Bottom Bracket Features

Bottom bracket design
Bolted bearing shells
Frame compatibility
BSA
Axis compatibility
Square-taper

Mounting

Box width
68 mm
Axis diameter
4 mm
Axis length
122 mm

Origin

Country of origin
FranceGermany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Axis length
122 mm
Weight
288 g

Package dimensions

Length
15 cm
Width
5.50 cm
Height
5 cm
Weight
306 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?

Source: Galaxus
  • 1.Sram
    0,2 %
  • 2.Shimano
    0,3 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 1.Shimano
    0 days
  • Sram
    Not enough data

Return rate

How often is a product of this brand in the «Bottom brackets» category returned?

Source: Galaxus
  • 1.Sram
    3,4 %
  • 2.Shimano
    3,7 %
Source: Galaxus