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 and durability. With a shell width of 68 mm and an axle length of 122.5 mm, this bottom bracket provides an optimal fit for BSA frames. The square bottom bracket axle ensures a stable connection between the crankarms and the frame, enhancing pedaling efficiency. The product comes in a self-service package, making installation easier. Made from robust aluminum, the BB-UN300 is suitable for both standard and E-Type applications, offering a versatile solution for various types of bicycles. The screwed bearing cups ensure easy maintenance and a secure fit in the frame. This bottom bracket is ideal for cyclists who value quality and performance.
- High-quality aluminum construction for durability
- Compatible with BSA frames for versatile applications
- Easy maintenance with screwed bearing cups
- Optimal stability from the square bottom bracket axle.
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Item number | 15791753 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer No. | EBBUN300KB22X |
Release date | 3/5/2021 |
External links |
Colour | Black |
Exact colour description | Black/Silver |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Axis length | 122.50 mm |
Country of origin | France |
CO₂ emissions | 1,2 kg |
Climate contribution | EUR 0,12 |
Axis length | 122.50 mm |
Weight | 287 g |
Product Safety |
Length | 17.10 cm |
Width | 5.40 cm |
Height | 6.40 cm |
Weight | 303 g |
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.Sram0,3 %
- 2.Shimano0,5 %
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.Shimano4,1 %
- 2.Sram4,2 %