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Shimano BB-UN300

52Ratings
BrandMore from Shimano
Delivered between Tue, 9.6. and Wed, 10.6.
More than 10 pieces in stock at supplier
Free shipping starting at 50.–

Product details

The Shimano BB-UN300 is a high-quality bottom bracket designed for reliable performance and durability. With a shell width of 68 mm and an axle length of 107 mm, this bottom bracket is ideal for bicycles with BSA frame compatibility. It features a square taper axle system that allows for easy installation and maintenance. The bottom bracket is made from robust aluminum, which not only reduces weight but also increases durability. The threaded bearing cups ensure a stable and secure connection, while the single-color surface treatment in silver gives the product an appealing appearance. The Shimano BB-UN300 is therefore an excellent choice for cyclists who value quality and performance.

  • BSA frame compatibility for versatile applications
  • Square taper axle system for easy installation
  • Robust aluminum construction for low weight and high durability
  • Threaded bearing cups for a stable connection.

Key specifications

Frame compatibility
BSA
Axis compatibility
Square-taper
Box width
68 mm

General information

Item number
15791752
Manufacturer
Shimano
Category
Bottom brackets
Manufacturer No.
62.78681
Release date
3.5.2021
Sales rank in Category Bottom brackets
83 of 1578
External links
Manufacturer's site (de)

Colour

Colour
Silver
Exact colour description
Silver

Bottom Bracket Features

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

Mounting

Box width
68 mm
Axis length
107 mm

Voluntary climate contribution

CO₂ emissions
1.17 kg
Climate contribution
CHF 0.11

Product dimensions

Axis length
107 mm
Weight
257 g

Package dimensions

Length
14.60 cm
Width
5 cm
Height
4.60 cm
Weight
275 g

30-day right of return
24 Months Warranty (Bring-in)
2 additional offers

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Reviews & Ratings

Warranty score

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

Source: Digitec Galaxus
  • 1.Sram
    0.3 %
  • 2.Shimano
    0.5 %

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: Digitec 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: Digitec Galaxus
  • 1.Shimano
    3.9 %
  • 2.Sram
    4.2 %
Source: Digitec Galaxus