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Shimano UN55 73mm Shell English Thread Sealed Cartridge Taper Bottom Bracket

£21.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
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Questions & Answers (1) Q & A
- 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
- Lightweight hollow spindle
- 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

Requires a Shimano type splined bottom bracket removal tool. (Shimano's own is SJSC part #858)
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Questions & Answers (1)
Bottom Bracket Nondrive Side Cups For Bbun55
20 Sep 2014
does this part come with a nondrive side cup.. is it plastic or metal.. can I use the metal nondrive side cups you supply for the UN54 bottom bracket
SJS Customer Service:

Yes, as shown in the second picture this bottom bracket comes with a non-drive side cup, it is a metal cup. The UN54 only comes with a plastic non-drive side cup.