Shimano BB-UN300
More than 10 pieces in stock at supplier
Product details
The Shimano BB-UN300 is a high-quality bottom bracket designed for reliable performance across various types of bicycles. With a shell width of 73 mm and an axle length of 118 mm, this bottom bracket offers an optimal fit for BSA frames. It features a square taper interface that allows for easy installation and removal. The bottom bracket is made from durable aluminum, which not only enhances longevity but also reduces the overall weight of the bike. The threaded bearing cups ensure a stable and secure connection, providing smooth power transfer while pedaling. The Shimano BB-UN300 is therefore an excellent choice for cyclists who value quality and performance.
- Compatible with BSA frames for versatile applications
- Sturdy aluminum construction for increased durability
- Easy installation with square taper interface
- Threaded bearing cups for stable connection and smooth power transfer.
Axis diameter | 118 mm |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 73 mm |
Item number | 16341849 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer no. | 62.79035 |
Release date | 30.7.2021 |
Sales rank in Category Bottom brackets | 8 of 1348 |
Colour | Black |
Exact colour description | Black |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 73 mm |
Axis diameter | 118 mm |
Axis length | 113 mm |
Country of origin | France, Germany |
CO₂-Emission | |
Climate contribution |
Axis length | 113 mm |
Axle diameter | 118 mm |
Length | 13.60 cm |
Width | 4.90 cm |
Height | 4.40 cm |
Weight | 302 g |
Product Safety |
30-day right of return
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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.Shimano0,2 %
- 2.Sram0,3 %
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.Shimano0 days
- SramNot enough data
Return rate
How often is a product of this brand in the «Bottom brackets» category returned?
Source: Galaxus- 1.Sram3,2 %
- 2.Shimano3,6 %