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Shimano UN-26 Square Taper

Product code: 11704

£11.67

In stock

Shimano UN-26 Square Taper

Great value square taper BB from Shimano.

- Maintenance-free sealed cartridge assembly with extra seal keeps out dirt, mud, and water.
- Adjustment-free installation keeps things nice and easy.
- 122.5mm axle length with 68mm shell available, to fit a variety of setups.
- Supplied without crank bolts (available here).
- Weight: 330g

Questions

James Wright

Hi I was just asking if this bottom bracket will fit an onza t-lite as mine needs replacing. thanks, James

Posted by James Wright on 05/10/2013

Reply from TartyBikes on 07/10/2013

Hi James - yes, this would work just fine with your frame. The one thing to note is that your frame is a little unusual for a trials bike as it has a 73mm BB shell. All our square taper BBs are 68mm, as almost all trials frames are that size. Just as a point of note: the non-drive side cup will keep screwing in until it sits completely inside the frame by 5mm. This is just because your shell is longer than designed for the BB, though it will work absolutely fine and not affect its performance. Thanks, Flipp.

ian

Hi there will this bb fit a echo control 2004 thanks

Posted by ian on 15/03/2015

Reply from TartyBikes on 16/03/2015

Hi Ian - thanks for your question. Yes, this will fit that frame just fine. Thanks, Flipp.

Valium shanley

Just wondering if it will fit a diamondback kabukimono

Posted by Valium shanley on 14/10/2018

Reply from TartyBikes on 15/10/2018

Hello!
We don't have much experience with that bike, so to check it might be best to take some measurements from your existing BB/frame.
If you measure across the width of the BB shell in your frame, it would need to be 68mm for this BB to be compatible.
If you measure from one end to the other of your existing BB, that should give you a guide as to whether you'll be able to use this BB too. As long as your existing BB is 122.5mm or under, it will fit. If you have a slightly wider BB (the next width up will generally be 127.5mm) then clearance might be tricky if you were to switch to this particular BB.

kyle mackenzie

Will this part fit on a YAABAA 649 frame ?

Posted by kyle mackenzie on 06/06/2014

Reply from TartyBikes on 09/06/2014

Hi Kyle - yes, this should fit just fine. Thanks, Flipp.

Andy Ince

Hi guys, could I get away with running the 119mm on a 2010 Onza bird with the Trialtech sport forged cranks, Onza comp bashguard and a Tensile 60 click freewheel? Cheers. =)

Posted by Andy Ince on 15/05/2014

Reply from TartyBikes on 15/05/2014

Hi Andy - thanks for your question. You might just be able to get away with that, though it will be quite a tight fit. We would strongly recommend using a longer bottom bracket to avoid clearance issues. The First Square Taper BB has a 128mm axle which will definitely clear everything and is only 1 more. Hope that helps. Thanks, Flipp.

Johnny Andersson

Hi, i have a monty bike from 06. shall i get a square bottom bracket or a spline one? Thanks in advance!

Posted by Johnny Andersson on 29/07/2015

Reply from TartyBikes on 30/07/2015

Hi Johnny - thanks for your question. That would depend entirely on the style of cranks you have. If you remove the crank bolt you can see which style interface your current BB uses, and you should buy one to match that. If you intend to replace both the BB and cranks then we'd recommend ISIS as not many companies produce Square Taper components any more and replacing parts for them can be tricky. Hope that helps. Thanks, Flipp.

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  • © TartyBikes Ltd, 2018
  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

TartyBikes Ltd, Units 3-4, Club Street, Bamber Bridge, Preston, PR5 6FN

  • Company No. 6131482
  • VAT. GB 860 0270 59

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