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Shimano BB-UN300

52Ratings
BrandMore from Shimano
Delivered between Fri, 19.6. and Mon, 22.6.
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 improved performance and stability while cycling. It features a robust square axle and is equipped with high-quality cartridge bearings that ensure smooth operation. This bottom bracket is available in various mounting types, including standard, E-Type, and chain guard options, making it versatile and adaptable for different bicycle frames. The use of aluminum for the adapter material provides high strength and durability. With a shell width of 68 mm and an axle length of 118 mm, the BB-UN300 is ideal for many common bicycle models. It offers easy installation and is suitable for self-assembly, making it a practical choice for cycling enthusiasts.

  • High-quality cartridge bearings for improved performance
  • Various mounting types: standard, E-Type, and chain guard
  • Robust square axle for increased stability
  • Adapter material made of aluminum for durability.

Key specifications

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

General information

Item number
15840669
Manufacturer
Shimano
Category
Bottom brackets
Manufacturer No.
62.78678
Release date
14.5.2021
Sales rank in Category Bottom brackets
12 of 1626
External links
Manufacturer's site (de)

Colour

Colour
Black, Grey, Silver
Exact colour description
Silver

Bottom Bracket Features

Frame compatibility
BSA
Axis compatibility
Square-taper

Mounting

Box width
68 mm
Axis length
118 mm

Origin

Country of origin
France, Indonesia

Voluntary climate contribution

CO₂ emissions
1.15 kg
Climate contribution
CHF 0.11

Product dimensions

Axis length
118 mm
Edited by a customer
Weight
290 g

Package dimensions

Length
15.40 cm
Width
6.40 cm
Height
4.60 cm
Weight
282 g

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

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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
    4.1 %
  • 2.Sram
    4.2 %
Source: Digitec Galaxus