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SHIMANO BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black, (EBBMT501B m)

4.7 4.7 out of 5 stars 55 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Bike Bottom Brackets by SHIMANO
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Purchase options and add-ons

  • English (BSA) threaded bottom bracket
  • For use with MTB
  • Defined Color: Black
  • Aluminum threaded cups

Frequently bought together

SHIMANO BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black, (EBBMT501B m)
$19.37
Get it as soon as Friday, May 3
Only 19 left in stock - order soon.
Sold by Trail This and ships from Amazon Fulfillment.
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SHIMANO M5100 DEORE CRANKSET 170mm 30T 12-SPEED 52mm CHAIN LINE
$70.99
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Sold by Movatik and ships from Amazon Fulfillment.
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Park Tool PolyLube 1000 Bicycle Grease
$11.30 ($2.83/Ounce)
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In Stock
Sold by Bicycle Addiction and ships from Amazon Fulfillment.
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Top Brand: SHIMANO

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Product Description

The SHIMANO BB-MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency. English (BSA) threaded bottom bracketFits 68 and 73mm frame bottom bracket shellsFor use with MTBAluminum threaded cups Spindle Interface Type: SHIMANO Hollowtech IIBottom Bra5JJcket Shell I.D.: 1.37BB Shell Width (mm): 68 , 73Defined Color: BlackBB/Frame Interface: English 50323(5:5/5/23:ARI

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SHIMANO BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black, (EBBMT501B m)

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5JJ 1009xxx(094-095)9/13 91423(10:9/18 50323(5:5/5/23:ARI

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
55 global ratings

Customers say

Customers like the quality, smoothness, and performance of the bottom bracket. They mention that it works well, and that the bearings are smooth. Customers are also happy that it comes with shims and spacers.

AI-generated from the text of customer reviews

4 customers mention4 positive0 negative

Customers are satisfied with the performance of the bike. They mention that it fits and works fine, and is well-made. Some say that the bottom bracket works great.

"I received an excellent BB. Not damaged or used. Smooth and working fine." Read more

"It came quickly in a protective box. It’s well-made and works fine on my Rocky Mountain bike." Read more

"Works well!..." Read more

"Bottom bracket works great, includes shims...." Read more

4 customers mention4 positive0 negative

Customers are satisfied with the quality of the product. They mention that it is a high-quality unit for English threaded bicycles, and that it works fine.

"I received an excellent BB. Not damaged or used. Smooth and working fine." Read more

"It came quickly in a protective box. It’s well-made and works fine on my Rocky Mountain bike." Read more

"Quality unit for English threaded bicycles. Quick delivery!!!" Read more

"Shimano high quality as expected..." Read more

3 customers mention3 positive0 negative

Customers like the shim. They mention that it works great, comes with everything in Shimano packaging, and is a nice BB for the money.

"...These are hard to beat for the money and come with everything in shimano packaging...." Read more

"Nice BB for the $$. Came with spacers, but they are plastic/nylon. I used the metal one that came off my old BB instead. Smooth bearings." Read more

"Bottom bracket works great, includes shims...." Read more

3 customers mention3 positive0 negative

Customers are satisfied with the smoothness of the bearings.

"I received an excellent BB. Not damaged or used. Smooth and working fine." Read more

"...The bearings are super smooth and came very well greased. This was exactly what I hoped it would be and more." Read more

"...I used the metal one that came off my old BB instead. Smooth bearings." Read more

Works well!
5 Stars
Works well!
I put it on my overdrive for a 1x9 conversion! I left the front derraileur as a chain guide!
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Top reviews from the United States

Peter
5.0 out of 5 stars Its real Shimano
Reviewed in the United States on November 19, 2023
Verified Purchase
I received an excellent BB. Not damaged or used. Smooth and working fine.
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socalkev
5.0 out of 5 stars Works well!
Reviewed in the United States on March 23, 2024
Verified Purchase
I put it on my overdrive for a 1x9 conversion! I left the front derraileur as a chain guide!
Customer image
socalkev
5.0 out of 5 stars Works well!
Reviewed in the United States on March 23, 2024
I put it on my overdrive for a 1x9 conversion! I left the front derraileur as a chain guide!
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Customer image
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Mike Christopherson
4.0 out of 5 stars It fit and works fine.
Reviewed in the United States on July 7, 2023
Verified Purchase
It came quickly in a protective box. It’s well-made and works fine on my Rocky Mountain bike.
One person found this helpful
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TimoteoSantos
5.0 out of 5 stars Great part
Reviewed in the United States on March 29, 2024
Verified Purchase
We're using this to attach a peddle crank set to a rail bike and this part is awesome. The bearings are super smooth and came very well greased. This was exactly what I hoped it would be and more.
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Junction3
5.0 out of 5 stars Fits Perfectly
Reviewed in the United States on March 2, 2024
Verified Purchase
Quality unit for English threaded bicycles. Quick delivery!!!
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Zain Bassage
5.0 out of 5 stars Best way to replace square taper with new crankset!
Reviewed in the United States on April 16, 2024
Verified Purchase
Purchased this bottom bracket for several bikes that previously had square taper bottom brackets that wore out. These are hard to beat for the money and come with everything in shimano packaging. Make sure to check your spacers for 68mm vs 73mm bottom brackets on shimano's installation instructions. Will gladly purchase more once these wear out!
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Bike ninja
5.0 out of 5 stars Shimano high quality as expected
Reviewed in the United States on April 18, 2024
Verified Purchase
Shimano makes mistakes once in a while, but it rarely involves bearings. They make great bearings. Came lubed up with that rad neon green shimano grease.
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Shanold
5.0 out of 5 stars Great replacement/Upgrade bottem bracket for my GT Avalanche
Reviewed in the United States on February 16, 2024
Verified Purchase
Dropped my square tapper set for this and so far its great! One thing I have to complain about is the damn paper that has you scan a code for the manual... just pulls up the paper itself on the website...... I had to just manually google the actually manual for this part... It's easy to install but all i wanted to know is where and how many spacers to use...
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Top reviews from other countries

jAh
5.0 out of 5 stars Great bb
Reviewed in Canada on February 25, 2024
Verified Purchase
Sealed bearing was a plus for me. Came in pre greased. Fits my wifes old mtb. Before buying would suggest to insure the size & specs match.
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