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 improved performance and stability while cycling. It features a sturdy 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 bike 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 bike models. It offers easy installation and is suitable for self-installation, making it a practical choice for cycling enthusiasts.
- High-quality cartridge bearings for improved performance
- Various mounting types: standard, E-Type, and chain guard
- Sturdy square axle for increased stability
- Aluminum adapter material for durability.
Axis diameter | 118 mm |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Item number | 15840669 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer no. | 62.78678 |
Release date | 14.5.2021 |
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 | 118 mm |
Axis length | 118 mm |
Country of origin | France |
CO₂-Emission | |
Climate contribution |
Axis length | 107 mm |
Axle diameter | 118 mm |
Weight | 275 g |
Length | 15.40 cm |
Width | 6.40 cm |
Height | 4.60 cm |
Weight | 282 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 %