FSA BSA Mega Exo BB4000 bottom bracket cups

26.99 €

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20 Reviews

5 Questions

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Features of FSA BSA Mega Exo BB4000

Trusted by over 25 million satisfied customers worldwide

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Specifications FSA BSA Mega Exo BB4000

Features of FSA BSA Mega Exo BB4000

Color Black

Color

Black

Recommended Use Road Cycling

Recommended Use

Road Cycling

Product description of FSA BSA Mega Exo BB4000 bottom bracket cups

Description summary

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MegaEvo is a threaded bottom bracket that allows the installation of a BB386EVO crankset into a standard 68mm BB shell with BSA threading.

Features:

- Titanium anodized aluminum cups
- For road products - carbon/alloy 386EVO cranks
- Stainless steel bearing
- Shimano Di2 wiring compatible

Specifications:

- Sizes: English threading - 68 mm width (BC-1.37in x 24T)
- Weight: 87.4 g
- Axle diameter: 19 mm

Specifications

Manual

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What our customers are saying about FSA BSA Mega Exo BB4000 bottom bracket cups

This bottom bracket (BB) is a high-quality, affordable, and durable replacement part, with one lasting over 10.000km. It is praised for being light, stiff, and easy to install. The product fits perfectly, especially for frames with a 68mm cage and is fully compatible with FSA Omega and Tempo Adventure cranks. Customers confirm it matches the description, offering excellent performance and a perfect fit

FSA BSA Mega Exo BB4000

2025/11/11

Mare

Fast delivery. The item is as described. I'm waiting for the first suitable weather for a longer test. On the first short test it works as expected.

Good, but still a new axle standard

2025/09/04

pierre-alain

Good product, easy assembly, but yet another new standard for bottom bracket axles: 19 mm. Brands claimed that increasing the axle diameter made it stiffer. And now we're going to 19 mm... Why? Apart from wanting to sell.

Doubt

2025/05/16

Eneas

Is this system 19mm?

Good quality

2025/05/07

christoph

Good quality. Affordable! Assembly was easy.

Fsa bb4000

2025/04/11

arne

Absolutely perfect delivery and the product fits perfectly Arne

FSA BB

2024/11/21

Geoff

Excellent product and service, it's a replacement for my like for like BB. Received within four days.

Perfect

2024/01/01

Gus

Bought in replacement of the same model, which lasted over ten years and far over 10.000km. Perfect.

Satisfied

2023/12/28

Stefaan

Very satisfied, the product ordered is correct, smooth ordering and delivery

Perfect replacement bracket

2023/10/08

Zsolt Vajnorak

I had the same BB and replaced the old one. The new one arrived neatly packed with proper instructions of installation. I can recommend the product.

Fsa Mega exo

2023/10/07

Eric

First time I bought on this site and everything was great! Recommended !

FSA BSA Mega Exo BB4000 Bottom Bracket Cup

2023/09/29

Joar

I am satisfied with the purchase. The product matches the description, but the delivery was not on time.

Super!

2023/09/25

Oldrich Mikes

Osa sedí perfektně, jsem velmi spokojený s kvalitou zboží, cenou i délkou dodávání do CZ.

Perfect

2023/05/12

Francisco Ysuhuaylas Nores

Excellent quality, good product, I ordered it by DHL, it arrived in a week, super fast earlier than indicated.

Supots

2023/03/06

FSA BSA Mega Exo BB4000 Puchar Suportu

I am satisfied with the purchase

Fsa mega exo

2022/09/26

Alejandro

Totally matches the description. Shipping was fast and installation very easy. I bought it for some Omega cranks. All perfect.

Fsa bsa mega exo

2021/10/11

Roberto

I bought the bottom bracket for an FSA Omega crank and I installed it on a frame with a 68mm cage perfectly. The product matches the description and the delivery has been quick. Everything perfect, I will buy again when I need it.

FSA BSA MEGA EXO

2021/09/21

Mrs Emma L Carnell

I'm Avery happy.wirh the product received and I would definitely use this site again

Product corresponding to the description

2021/05/21

ducamp Stéphane

The product totally matches the description. On the other hand, the delivery was not on time, but I rather suspect the Post Office to be at the origin of this delay of 3/4 days ...

FSA BSA Mega Exo BB4000

2021/02/10

Rey P.

This is my second time ordering from bikeinn and the experience is so far great! I can easily track the statud and location of my order. The BB I ordered is easy to install. It is light and stiff, a very good partner with my FSA Tempo Adventure.

FSA Megaexo

2020/10/05

Talgat

I'm very glad service in this site. They answered to all my question. I ordered in the first time and receieved it in time! Reccomend! Good luck

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Compatible Tarmac SL8 ?

2025/02/18

bruno

Hello, Can this case be mounted on a Tarmac SL8? Thank you

Answer of ALESSANDRO

You need to check if your bottom bracket is press fit (then no) or BSA threaded (then yes). Why don´t you ask your trusted mechanic?

Will this fit my direct mount bottom bracket?

2025/01/13

Francisco

Will it be compatible with an FSA crank with Omega MegaExo 19mm Direct Mount chainrings?

Answer of Alfredo

I think so, 19mm shaft and megaexo range

Eligible with my Cannodale top stone 3?

2023/09/04

Fortunato

Cartridge Square taper bottom bracket originally mounted FSA tempo Adventura 46/30 crank My question is it compatible with my frame?

Answer of Jeroen

No, this bottom bracket is not compatible. You need a square bottom bracket

upgrade

2023/02/09

robert marshall

is there another compatible bottom bracket set. this will be my third set, I'm doing about 3000 a year. I'm getting about 2000 miles from each set.

Answer of Beata

I recommend, I´m satisfied

Gossamer

2022/10/25

Jim

Will this bb work with an FSA Gossamer crankset?

Answer of Evgeny

This bottom bracket will fit cranks with 19mm shaft

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FSA BSA Mega Exo BB4000 bottom bracket cups

Features of FSA BSA Mega Exo BB4000

FSA - Bike parts - Bottom brackets

Specifications FSA BSA Mega Exo BB4000

Features of FSA BSA Mega Exo BB4000

Color Black

Recommended Use Road Cycling

Product description of FSA BSA Mega Exo BB4000 bottom bracket cups

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What our customers are saying about FSA BSA Mega Exo BB4000 bottom bracket cups