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  • Shimano BB51 Deore Bottom Bracket
  • Shimano BB51 Deore Bottom Bracket
NOW$15.49
  • RRP$25.99
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68/73mm
  • IN STOCK(5+)

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Shimano Deore Bottom Bracket Set BB51

Genuine Shimano HollowTech II bottom bracket assembly.

Shimano Deore Bottom Bracket Set BB51 Features:

  • Set includes left and right hand cups, spacers, inner cover, and inner O-rings.
  • Sealed cups keep out dirt and water
  • Maintenance free
  • Compatible with 68mm and 73mm shell
  • Durable silver anodised finish
  • Easy installation

Buy Shimano Deore Bottom Bracket Set BB51 from Chain Reaction Cycles, the worlds largest online bicycle store.

  • Colour: Black
  • Size: 68/73mm
Rated 3.5 out of 5 by 41 reviewers.
Rated 5 out of 5 by Great value Inexpensive, easy to fit and works well. Last one lasted just over 6500 miles, used in all weathers. 15 April 2014
Rated 4 out of 5 by arrivato in tempi molto brevi Il prodotto non sembra nuovo perchè presenta specialmente sulle ghiere tracce di usura. Adesso io non sò bene se al momento dell'acquisto era specificato nuovo o usato. A quanto mi ricordo non ero mensionato. Comunque a parte questo il prodotto funziona bene e il prezzo pagato senza spese di spedizione è stato piuttosto buono 07 April 2014
Rated 5 out of 5 Brilliant! It has to be one of the best bottom brackets of your money. Wouldn't hesitate to recommend it to anyone! well made and good for AM and downhill to! 10 March 2014
Rated 4 out of 5 by Does its job for low price Replaced my old Deore BB, because left cup become a bit broken. There was some grunch and it didnt spin as it should. It lasted about one or two years. I bought it again because the price is so low, and dont matter if i have to buy a new one again after few years. Good value for low price even if you have to buy it every two years. There was more spacers than in the last one i bought, nice! Enough to fit every frame and purpose. 27 February 2014
Rated 3 out of 5 by Среднячок Стоковая каретка идет в комплекте. Предназначена для лайтового катания не рекомендуются катать в дождь и иначе подшибник со стороны звезд придет в негодность и будет люфт что потребует замены. В Целом среднячок. 20 February 2014
Rated 5 out of 5 by I a"deore" this product! Needed a BB to fit to a SLX crank for a project bike to get me back on the trails and wasn't wanting second hand or to spend money on a "saint" or "Hope" found this and thought for the money give it a shot! PERFECT! Solid Shimano build and quality! You cant go wrong for the price at all! To me a BB is what it is unless your racing! I would recommend this to anyone! 18 February 2014
Rated 5 out of 5 by Why bother with anything else? Quality product that is cheap and easy to install. Why bother with XT when you can buy this. 17 February 2014
Rated 4 out of 5 by Great for cost For the price you can't go wrong. Obviously there are better ones, but I had it on my specialized big hit and used it a lot down hill most weekends and it lasted for 8 months good. Now I've just replaced it with another one. All good 29 January 2014
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7 Questions : 11 Answers

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1 month, 2 weeks ago
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Clane,IE
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Answer: 
Yep, it has english thread.
Age: 25 to 34
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1 month, 1 week ago
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Answer: 
Yes BSA English Thread, right side (drive side) first then the left!
Age: 25 to 34
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1 month, 1 week ago
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2 answers

What crank axle can you use with this BB?

8 months ago
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Answer: 
The 'Shimano BB51 Deore Bottom Bracket' would use the Hollow 24mm Style of axle found on the likes of the following listed Chainset's;

If you were looking to order a new Chainset the versions listed would also be supplied with a new Bottom Bracket similar to the Shimano BB51 so, you wouldn't need to order one separately.
8 months ago
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Answer: 
24mm diameter
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3 months, 2 weeks ago
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2 answers

Hi,

I have a fsa carbon SL-K crankset is that compatible on my chainset?
Age: 25 to 34
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7 months ago
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Answer: 
While the FSA MegaExo is essentially the same as the Shimano Hollowtech system, they are not listed as cross compatible; FSA Cranks are matched to specific bottom brackets; the SL-K cranks require the BB-8000 series, such as the BB-8681 linked below
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7 months ago
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Answer: 
It depends on the diameter and width of the BB required for you crank. What is said on the crank box?
Age: 25 to 34
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3 months, 2 weeks ago
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and in case it is not, which BB should I order?
sorry for bothering, I'm 99% sure it is compatible but as I'm ordering from BRAZIL I'd rather be 100% sure!
Age: 55 to 64
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6 months ago
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SÃO PAULO,BR
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Answer: 
This bottom bracket is suitable for all Shimano Hollowtech II chainsets including the FC-M542.
6 months ago
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Answer: 
100% yes
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3 months, 2 weeks ago
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1 answer

What does the GK mean ?

What does the letters GK mean ?
Will it be able to replace one that has KD ?
3 months, 1 week ago
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Plymouth,GB
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Answer: 
This marking bares no significance to the fitment of the bottom bracket cups and likely is a manufacturing process code.

As long as the spacing required is also of 68/73mm for a HollowTech II crankset then this bottom bracket will be fine.
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3 months, 1 week ago
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1 answer

Will this work with M610 crankset?

Age: 25 to 34
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2 weeks ago
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Answer: 
Yep, this bottom bracket is fine with the M610 crankset.
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1 week, 6 days ago
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Age: 25 to 34
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2 months, 3 weeks ago
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Answer: 
Нет. Вам придётся менять и шатуны тоже. К тому же нужно будет торцевать кареточный узел. Эта каретка не имеет своего вала, т.к. рассчитана на систему с интегрированным валом (это когда вал интегрирован в паук, т.е. в левый шатун, на котором закреплены звезды).
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2 months, 2 weeks ago
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