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Shimano UN26 Bottom Bracket

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4.1 out of 5 (23 ratings)
23 customer reviews



> Bottom Brackets

  • BB Shell Width: 68,70,73 mm
  • Spindle Interface Type: Square Taper JIS
  • Spindle Length: 110mm - 127.5mm
  • BB Thread Type: English or Italian
Shipping Offers - $2.99 Pick-a-Product Shipping, and Free Shipping on orders over $150

English 68x110mm

Item #:20912-47688 
Mfg#:EBBUN26B10X 
UPC:689228089433 
EAN:689228089433 
Other #s:
CR5346 
SH14861 
63200220 
BBST1974 
Available to ship DETAILS
Oregon3 - Apr 17th332 - Apr 21st
Minnesota50 - Apr 17th 
New Mexico1 - Apr 17th 
Utah51 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR3 Apr 16th332 - Apr 21st
Ogden, UT1 - Apr 17th51 - Apr 18th
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155 - Apr 22nd
205 - Apr 23rd
332 - Apr 24th

$13.00

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English 73x110mm

Item #:20912-47691 
Mfg#:EBBUN26C10X 
UPC:689228089464 
EAN:689228089464 
Other #s:
CR5347 
SH14876 
63200222 
BBST1982 
Available to ship DETAILS
Oregon0 - Apr 17th209 - Apr 21st
Minnesota50 - Apr 17th 
New Mexico0 - Apr 17th 
Utah50 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 16th209 - Apr 21st
Ogden, UT0 - Apr 17th50 - Apr 18th
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88 - Apr 22nd
138 - Apr 23rd
209 - Apr 24th

$13.00

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English 68x113mm

Item #:20912-47692 
Mfg#:EBBUN26B13X 
UPC:689228089488 
EAN:689228089488 
Other #s:
CR5348 
SH14862 
63200221 
BBST1975 
Available to ship DETAILS
Oregon1 - Apr 17th591 - Apr 21st
Minnesota51 - Apr 17th 
New Mexico0 - Apr 17th 
Utah51 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR1 Apr 16th591 - Apr 21st
Ogden, UT1 - Apr 17th51 - Apr 18th
Show More
238 - Apr 22nd
289 - Apr 23rd
591 - Apr 24th

$13.00

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English 73x113mm

Item #:20912-47693 
Mfg#:EBBUN26C13X 
UPC:689228089501 
EAN:689228089501 
Other #s:
CR5349 
SH14877 
63200223 
BBST1984 
Available to ship DETAILS
Oregon0 - Apr 17th234 - Apr 21st
Minnesota50 - Apr 17th 
New Mexico0 - Apr 17th 
Utah50 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 16th234 - Apr 21st
Ogden, UT0 - Apr 17th50 - Apr 18th
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94 - Apr 22nd
144 - Apr 23rd
234 - Apr 24th

$13.00

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English 68x117.5mm

Item #:20912-47694 
Mfg#:EBBUN26B17X 
UPC:689228089631 
EAN:689228089631 
Other #s:
CR5345 
SH14863 
63200226 
BBST1976 
Available to ship DETAILS
Oregon2 - Apr 17th259 - Apr 21st
Minnesota50 - Apr 17th 
New Mexico0 - Apr 17th 
Utah51 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR2 Apr 16th259 - Apr 21st
Ogden, UT1 - Apr 17th51 - Apr 18th
Show More
53 - Apr 22nd
103 - Apr 23rd
259 - Apr 24th

$13.00

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English 68x122.5mm

Item #:20912-47695 
Mfg#:EBBUN26B22B 
UPC:689228089587 
EAN:689228089587 
Other #s:
CR5350 
SH14864 
BBST1978 
Available to ship DETAILS
Oregon1 - Apr 17th283 - Apr 21st
Minnesota51 - Apr 17th 
New Mexico0 - Apr 17th 
Utah50 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR1 Apr 16th283 - Apr 21st
Ogden, UT0 - Apr 17th50 - Apr 18th
Show More
51 - Apr 22nd
102 - Apr 23rd
283 - Apr 24th

$14.00

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English 73x122.5mm

Item #:20912-47696 
Mfg#:EBBUN26C23X 
UPC:689228089686 
EAN:689228089686 
Other #s:
CR5356 
SH14879 
63200225 
BBST1986 
Available to ship DETAILS
Oregon0 - Apr 17th227 - Apr 21st
Minnesota50 - Apr 17th 
New Mexico0 - Apr 17th 
Utah50 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 16th227 - Apr 21st
Ogden, UT0 - Apr 17th50 - Apr 18th
Show More
102 - Apr 22nd
152 - Apr 23rd
227 - Apr 24th

$13.00

Add to Cart


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English 68x127.5mm

Item #:20912-47697 
Mfg#:EBBUN26B27B 
UPC:689228089617 
EAN:689228089617 
Other #s:
CR5351 
SH14865 
BBST1980 
Available to ship DETAILS
Oregon1 - Apr 17th263 - Apr 21st
Minnesota50 - Apr 17th 
New Mexico1 - Apr 17th 
Utah50 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR1 Apr 16th263 - Apr 21st
Ogden, UT0 - Apr 17th50 - Apr 18th
Show More
52 - Apr 22nd
102 - Apr 23rd
263 - Apr 24th

$14.00

Add to Cart


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Italian 70x110mm

Item #:20912-112935 
Mfg#:EBBUN26I10X 
UPC:689228089471 
Other #s:
SH14890 
Available to ship DETAILS
Oregon0 - Apr 17th0 - Apr 21st
Minnesota0 - Apr 17th 
New Mexico0 - Apr 17th 
Utah0 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 16th0 - Apr 21st
Ogden, UT0 - Apr 17th0 - Apr 24th

$12.00

Notify When In Stock


30 Second
Price Match

Italian 70x113mm

Item #:20912-112936 
Mfg#:EBBUN26I13X 
UPC:689228089525 
Other #s:
SH14891 
Available to ship DETAILS
Oregon0 - Apr 17th0 - Apr 21st
Minnesota0 - Apr 17th 
New Mexico0 - Apr 17th 
Utah0 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 16th0 - Apr 21st
Ogden, UT0 - Apr 17th0 - Apr 24th

$12.00

Notify When In Stock


30 Second
Price Match

Italian 70x122.5mm

Item #:20912-112937 
Mfg#:EBBUN26I23X 
UPC:689228088108 
Other #s:
SH14892 
Available to ship DETAILS
Oregon0 - Apr 17th0 - Apr 21st
Minnesota0 - Apr 17th 
New Mexico0 - Apr 17th 
Utah0 - Apr 17th 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Apr 16th0 - Apr 21st
Ogden, UT0 - Apr 17th0 - Apr 24th

$12.00

Notify When In Stock


30 Second
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Customer Ratings

Current Customer Rating


4.1 out of 5 (23 ratings)

Rating Distribution





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Customer Reviews

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great replacement. shimano quality

Pros: price

Cons: plastic adapter, kinda cheep.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: March 29, 2013
Reviewed by: terry b.

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You'd think that these being the cheapest bottom brackets at Universal Cycles would make them the worst. Far from it. I'm sure they're heavier than the more expensive offerings, but in the grand scheme of things a few extra grams of non-rotating weight won't break the bank.

I've installed four of them on various bicycles, and between them all they've seen about 24,000 miles. One of them started -- after 12,000 miles -- to make funny clunks, so I replaced it with a different BB. That one disintegrated 4500 miles later, so it was back to another UN26 for the replacement.

About the only thing I don't like about the UN26 is the plastic nds cup. When I took the funnily clunking BB out to replace it the plastic cup came out in 4 pieces, which was more than slightly annoying given that the cost of a replacement cup was more than the cost of a new UN26.

But aside from that, this has become my bottom bracket of choice for all purposes.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 19, 2013
Reviewed by: David P.

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Fits the Bill

Exactly what I needed. Such a simple part that you depend on so much. Why spend more when this does the job?

Pros: Cost

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 01, 2013
Reviewed by: Garrett O.

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Inexpensive for those on the fly projects.

the other cup is plastic so be careful when you instal it. decent feel and build for the money.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: December 08, 2012
Reviewed by: brad P.

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Extra length

I needed a longer spindle to put a road double on a small MTB. The existing bb spindle wouldn't let the pedals clear the chain stay. The longer spindle did the trick.

Pros: Super low price

Cons: I never trust that plastic cup, but the price is too good to pass up.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: September 13, 2012
Reviewed by: Bryan S.

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Good in general, wish they could skip the plastic cup

It seems like these guys always fail when the plastic cup cracks. They're otherwise a perfectly adequate bottom bracket. I'm not sure I'd recommend them for heavy riders or heavy bikes. I break these things too often.

Would Buy Again: No
Would Recommend: Yes

Reviewed on: June 26, 2012
Reviewed by: Jeff O.

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square taper bottom brackets are tried and true. this rolls pretty good for the price.

Pros: price.

Cons: none so far.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: June 24, 2012
Reviewed by: Jason S.

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Nice replacement unit.

I bought this to replace a really crunchy loose bearing style bottom bracket. It is considerably smoother. Replacement is more cost effective than cleaning/repair.


Pros: Cheap upgrade/replacement.

Cons: Some say the plastic collar is a con. I'm not sure it is. I've seen enough bikes that came with this type stock, and that little bit of plastic hasn't been the failure point.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: April 19, 2012
Reviewed by: Anthony F.

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Cheap and bullet proof

I'm a pretty big fan of the square taper system. This is the best deal for square taper bb. It will run for years without needing any maintenance. I haven't had any issues with the splines rounding either.

Pros: Cheap, reliable. Works.

Cons: I don't like black spindles.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: March 26, 2012
Reviewed by: Paul S.

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For the budget minded cyclist, this is a great bottom bracket. Smooth bearings, easy rolling, no tension or drag or binding anywhere - love this BB. Easy to install in a properly faced and chased shell - fit in to my wife's Soma mixte frame perfectly with no problems.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: March 10, 2012
Reviewed by: Brandon I.

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Cheap, solid workhorse

this BB will treat ya well for years to come. It's awesome with the exception of the plastc (????) cup. I've never had any problems with it, but I can see how it could easily break during installation.

Pros: cheap, works well

Cons: plastic cup

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: February 27, 2012
Reviewed by: Garren E.

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Heavy, but works well

I have this BB on a few of my bikes - and what is there more to say than "it works". Always trusted, never fails - this BB will last forever. It's almost worth the weight after going through so many outboard bearings.

Pros: Long lasting, classic strength.

Cons: Heavy.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 23, 2012
Reviewed by: DionRidesBIkes

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This bottom bracket performs fine. I've had one on my daily rider for over two years with no problems. Like everyone else, I was apprehensive about the plastic cup, but it's held up fine. The major downside to the plastic isn't longevity, it's that it's a pain to install because the bottom bracket tool's teeth slip off a lot more than on a metal cup which has little or no flex, which means you run the risk of stripping the splines on the plastic cup and not being able to install it. Once it's in, it works well enough, but next time I'll be getting something else.

Pros: Cheap, spins fine after a year

Cons: Plastic cup makes it challenging to install

Would Buy Again: No
Would Recommend: No

Reviewed on: August 09, 2011
Reviewed by: Tiernan A.

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Slid right in

Pros: Cheap

Cons: Plastic end cap

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: June 20, 2011
Reviewed by: david c.

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cheap bottom bracket. Dont like the plastic cup but it has held up fine for my single speed for a couple years now. I would spend a few more $$ for the next one up. The truvative is nice for the money.

Pros: cheap

Cons: heavy, plastic cup

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: May 16, 2011
Reviewed by: kelly g.

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Not a Distance runner

Used a few of these on older bikes.

Plan on replacing them every other year if you ride in the rain.

Pros: Inexpensive, wider choices for older bikes

Cons: poor sealing of bearings,
plastic cup

Would Buy Again: No
Would Recommend: No

Reviewed on: January 02, 2011
Reviewed by: Steven J.

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shimano bb

I was mistaken when I got this bottom bracket, I didnt notice the plastic housing retention. I am pleased with its performance, but the plastic portions dont make me feel too confident.

Pros: very affordable

Cons: plastic.

Would Buy Again: No
Would Recommend: No

Reviewed on: December 28, 2010
Reviewed by: John J.

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Solid Performer - Great Value

I've used these on a few bikes off road and for commuting. They handle abuse admirably and are economical to replace when the time comes.

Pros: Quality for the cost

Cons: Plastic cup seems odd

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: December 22, 2010
Reviewed by: Alex

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Good ol' square taper

I mostly use square taper cranks, since they are super reliable, cheap, I have a bunch, and I've never seen any stiffness benefits that the pundits proclaim for the splined or external style.

Pros: Cheap, durable, works fine.

Cons: Not going to win any weight weenie awards.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 28, 2010
Reviewed by: Eric D.

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big bang for the buck

I rode this bb for 2 years on my Surly Big Dummy. I don't own a car, so everything I do is by bike. Not only errands but touring too. After 2 years I decided to replace the very worn out drivetrain. At only a few bucks, may as well replace the BB while I have the bike completely torn apart.

this bb was still good after at least 30k miles.

Pros: economical, reliable

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 05, 2010
Reviewed by: Devian G.

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Cheap bottom bracket holds up well

I got this for a bike I didn't think I'd end up riding much, but I ride it all the time. It feels pretty junky and flimsy compared to other bb's, especially the plastic cup. A year or so later it's working fine. I mean arguably you should just spend $10 more dollars for the next one up, but if money is tight this one does the job.

Pros: Very cheap, problem free so far.

Cons: A little tricky to install. You can't get the plastic cup super tight because the metal tool that interfaces with the cup starts to stretch out the plastic when you apply a lot of torque. But works fine anyhow.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 04, 2010
Reviewed by: Noah Z.

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Low cost. Shimano reliability. What else is there?

Pros: Low cost.

Cons: Plastic threads.

Reviewed on: September 07, 2010
Reviewed by: Mark G.

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Good value

I have had this part installed in an older bike that I ride around town.

It installed perfectly.
Came with new screws to attach crank arms to spindle.
Came well lubricated.

It has held up this summer with no maintenance issues. You aren't going to win any races, but it is a good replacement part for a lower tier bike.

Pros: Installs easily.

Cons: Plastic.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: September 01, 2010
Reviewed by: Dan K.

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