Shimano BB-UN300 bottom bracket for cranks with 4-sided mount. Suitable for frames with BSA thread and 68 mm housing width. - Installation width: 68 mm - Frame compatibility: BSA - Application: Trekking - Details: - More stable chain line thanks to stabilizer - Type: square bottom bracket - Type: screwed bearing shells axle - Axle mount: 4-sided - Axle length: 122 mm.
Axis diameter | 4 mm |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Item number | 16398792 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer no. | EBBUN300KB23XW |
Release date | 12.8.2021 |
Colour | Black |
Exact colour description | Black/Black |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | Square-taper |
Box width | 68 mm |
Axis diameter | 4 mm |
Axis length | 122 mm |
Country of origin | France |
CO₂-Emission | |
Climate contribution |
Axis length | 122 mm |
Length | 16.40 cm |
Width | 4.80 cm |
Height | 7.80 cm |
Weight | 310 g |
Product Safety |
How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?
Source: GalaxusHow 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?
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Source: Galaxus