Shimano BB-UN300
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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?
Source: GalaxusHow often is a product of this brand in the «Bottom brackets» category returned?
Source: Galaxus