Shimano BB-UN300

54Ratings
BrandMore from Shimano
Delivered between Mon, 27.7. and Wed, 29.7.
Only 1 piece in stock at supplier
Free shipping starting at 50.–

Colour10

Show all

Product details

The Shimano BB-UN300 bottom bracket is a high-quality and powerful square taper bottom bracket suitable for a variety of bike frames. With a shell width of 73 mm and an axle length of 113 mm, it provides a reliable and stable base for the bottom bracket configuration. The bottom bracket features a BSA installation type, allowing for easy installation and maintenance. Made from robust aluminum, it ensures durability and high performance under various conditions. The BB-UN300 is ideal for cyclists who value quality and reliability, and it is compatible with both standard and E-Type variants. The use of threaded bearing cups provides additional stability and improved power transfer while riding.

  • High-quality square taper bottom bracket for optimal performance
  • Compatible with BSA frames
  • Aluminum construction for durability
  • Easy installation with threaded bearing cups
  • Suitable for standard, E-Type, and chain guard variants.

Key specifications

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

General information

Item number
16341848
Manufacturer
Shimano
Category
Bottom brackets
Manufacturer No.
62.78674
Release date
22.4.2022
Sales rank in Category Bottom brackets
39 of 1518
External links
Manufacturer's site (de)

Colour

Colour
Black
Exact colour description
Black, Black/Silver, Silver

Bottom Bracket Features

Frame compatibility
BSA
Axis compatibility
Square-taper

Mounting

Box width
73 mm
Axis length
113 mm

Origin

Country of origin
France, Indonesia

Voluntary climate contribution

CO₂ emissions
1.25 kg
Climate contribution
CHF 0.11

Product dimensions

Axis length
113 mm
Weight
300 g

Package dimensions

Length
14.70 cm
Width
5.70 cm
Height
4.70 cm
Weight
295 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

Compare products

Show all

Goes with

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
    0.2 %
  • 2.Shimano
    0.4 %

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
    3.8 %
  • 2.Sram
    4.4 %
Source: Digitec Galaxus