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Shimano BB-UN300 73mm Shell Square Taper Bottom Bracket - English Thread

£19.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
- A good quality bottom bracket for traditional chainsets
- Super-accurate bearings for smooth operation and improved durability
- Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
- Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life
- Fast and easy installation without adjustment
- Narrow body allows clearance for cable routing under the bottom bracket
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Questions & Answers (1)
cup material?
15 Aug 2020
are the cups on the UN300 made of aluminum or are they plastic, and what contributes to the lower cost versus the UN55 series of bottom brackets, please?
The cups on the UN300 are aluminium, not plastic.