The Shimano BB-UN300 is a high-quality bottom bracket designed for reliable performance and durability. It is a square taper bottom bracket compatible with BSA shells, making it ideal for various bicycle frames. With a shell width of 68 mm and an axle length of 117.5 mm, it offers an optimal fit and stability. The bottom bracket is made from robust aluminum, which not only reduces weight but also enhances durability. The threaded bearing cups ensure easy installation and maintenance. This product is an excellent choice for cyclists who value quality and performance.
Axis diameter | 34.80 mm |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Item number | 15722879 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer no. | 62.78668 |
Release date | 22.4.2021 |
Colour | Silver |
Exact colour description | Black |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Axis diameter | 34.80 mm |
Axis length | 117 mm |
CO₂-Emission | |
Climate contribution |
Axis length | 117.50 mm |
Axle diameter | 117 mm |
Weight | 277 g |
Length | 17.10 cm |
Width | 4.80 cm |
Height | 4.60 cm |
Weight | 297 g |
Product Safety |
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