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 bikes 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 silver surface treatment gives the product an appealing look. The Shimano BB-UN300 is therefore an excellent choice for cyclists who value quality and performance.
Axis diameter | 107 mm |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Item number | 15791752 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer no. | 62.78681 |
Release date | 3.5.2021 |
Colour | Silver |
Exact colour description | Silver |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Axis diameter | 107 mm |
Axis length | 107 mm |
CO₂-Emission | |
Climate contribution |
Axis length | 107 mm |
Axle diameter | 107 mm |
Weight | 280 g |
Length | 14.60 cm |
Width | 5 cm |
Height | 4.60 cm |
Weight | 275 g |
Product Safety |
How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?
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