KMC X12 Road/MTB chain

Name: KMC X12 Road/MTB chain
Brand: KMC
SKU: 137598735
Price: 23.99 EUR
Availability: InStock
Rating: 5 (82 reviews)

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82 Reviews

18 Questions

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Features of KMC X12 Road/MTB

Trusted by over 25 million satisfied customers worldwide

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Specifications KMC X12 Road/MTB

Features of KMC X12 Road/MTB

Color Silver

Color

Silver

Recommended Use MTB Cycling

Recommended Use

MTB Cycling

Road Cycling

Speed 12s

Speed

12s

Product description of KMC X12 Road/MTB chain

Description summary

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Original description available here

KMC chain ´´X12´´ 12-speed, 1/2´´ x 11/128´´ non-directional, high precise chamfers for excellent shifting, with X-bridge, finish:Ti-N gold/black, Ti-N gold, nickel coating or EPT technology, MissingLink ´´12NR Ti-N´´ gold or ´´12NR EPT´´ silver, 268g.

SPECIFICATIONS:

-silver, 126 links.

Specifications

Manual

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What our customers are saying about KMC X12 Road/MTB chain

This durable 12-speed chain is highly compatible with Shimano (Ultegra, DI2, SLX) and SRAM drivetrains. It provides smooth, fast, and skip-free shifting, even under load. Praised for being a strong, robust, and long-lasting alternative, it often outlasts stock Shimano chains. While some find it slightly heavy, it´s described as a burly and beefy chain offering excellent value. The stylish gold design also adds a great aesthetic to any bike

Kmc x12

2025/12/31

xred07

Very good value for money, I recommend this product. Time will tell regarding wear and tear.

Good price. excellent chain, on par with shimano.

2025/12/26

Alfonso

Good chain at a good price... I've lost count of how many I've put on already

Excellent

2025/12/23

Miguel

Excellent products, they are of excellent quality and fulfill their purpose correctly.

Excellent

2025/12/23

Miguel

Excellent products, they are of excellent quality and fulfill their purpose correctly.

Excellent

2025/12/23

Miguel

Excellent products, they are of excellent quality and fulfill their purpose correctly.

I would buy it again

2025/12/20

Opoi

Exactly as pictured, fast shipping, no problems or issues, everything brand new, 100% original.

Long lasting

2025/12/16

Manuel

Compatible with Shimano and Campagnolo, smooth and durable shifting, functions like the originals

Kmc x12

2025/11/04

Jorge

Excellent performance, compatible with Campagnolo 12v and Shimano di2.

Smooth, Durable, and Reliable Chain!

2025/10/08

RRDB

It’s smooth, durable, and works great on my road bike. Easy to install, shifts perfectly, and has shown great wear resistance so far. No complaints at all—highly recommended!

Kmc

2025/10/03

corrado

Best value for money I will repeat without a doubt, easy installation

Kmc x12

2025/09/22

Eduardo

Good, the chain lasted me 1 to 2 months, but with its respective maintenance, if you don't take care of it and don't lubricate it, its durability will decrease.

Top quality

2025/09/15

juan-jose

Both on the road and in the mountains, the best in quality and price.

Kmc x12

2025/08/26

Jaime

The best quality price I will repeat without a doubt, easy installation

Kmc chain

2025/08/25

dani

Very good result, aesthetically it is beautiful, it adapts perfectly to my SRAM transmission, it does not make any noise

Original

2025/08/04

Angel

Excellent, original, I love it and recommend it. I would buy again in the future.

Excellent

2025/07/05

Daniele

Mounted on Ultegra 12v, works perfectly

Already known

2025/07/03

Juan Jose

Very good chain, totally recommended

Kmc x12 126 links

2025/05/29

July

Quality price a ten It is a little heavy, but if you are not looking to lighten the bike it is very good.

Great chain for the single speed pumptrack rig

2025/05/28

Vinicius

Good burly and beefy chain to pumptrack sessions.

High Quality

2025/05/23

Christopher

I prefer this brand to the alternatives. Strong and long lasting!

Current 12 v

2025/05/23

Pedro

Very good and works perfectly on the Shimano cassette

Great chain

2025/05/22

Alessandro

In addition to the aesthetics, I notice a faster gear change… very satisfied

Transmission

2025/05/10

Miguel Ángel

I recommend 100%

Good product

2025/05/09

Martino

I bought the product as a spare chain for my Shimano SLX - I have always found this brand to be very good as an alternative to the original chains - let's hope it is more robust and long-lasting than the Shimano XT one

2025/04/21

pepe

Good product, I liked it, we'll see how it goes with use.

Again and again

2025/03/31

Thomas

Very easy to assemble

Excellent value for money

2025/03/17

juan-carlos

They are compatible with Shimano DI2 12v, lightweight, durable, skip-free and also look great.

Quality/price

2025/03/03

Feri

Good value

Catena12v

2025/03/01

corrado

Perfect

Good product

2025/02/22

jose-luis

Good chain and a very good price

Great quality, better than shimano

2025/02/20

carlos

Compatible with the shimano drivetrains and great quality. Will last many years.

Good chain

2025/02/11

albert

In my opinion it will be compatible with both SRAM and Shimano, it has lasted me about 2000 km

Good quality price

2025/01/02

Niccolò

good chain better than sram definitely a bargain at 22 euros

Kmc x12

2024/12/17

kent

nothing to complain about

good!

2024/12/05

Bencsik

brought the expected standard as I expected

Top product

2024/11/20

Bruno

I've been using it for a long time, it's very durable and compatible with Shimano and SRAM. And it gives the bike a really nice look.

Excellent current

2024/11/19

Luis Antonio

Very good chain. I've driven 8 thousand km and it still has half a life left. I recommend it!

Mtb sram gx = 116 links

2024/11/08

Richard Corbin

On my MTB I have SRAM GX too and I have it cut to 116 links but it will depend on the size of your pulleys :)

Color

2024/10/23

Marc

Is the chain gold colored?

Happy with the product

2024/10/03

Jean Carlo

Very good product seems durable and the weight is manageable.

Perfect

2024/09/28

AMoral

I always used KMC chains on my old bike. The current one came with Shimano, but KMC is more durable and does not cause any problems. I recommend the brand.

Kmc x12 road/mtb chain black 126 links

2024/09/27

James Perez

Excellent product

Good product

2024/09/19

Manuel

Fast delivery, just as described by the store and good quality. Thank you

Kmc x12

2024/09/06

Manuel

An excellent product, very good quality, I highly recommend it.

Very good option.

2024/08/28

jorge-enrique

I always use this brand of chains, they are very thin and durable. Very fast shipping.

Excellent chain!

2024/08/23

Luis Antonio

Top product! Lasts at least twice as long as Shimano Deore.

Kmc x12

2024/08/11

Nico

Top chain for 12-speed drives! I've been using it for a long time. A bit louder but also more durable than comparable chains from other manufacturers.

Kmc just makes the best chains

2024/07/21

Carsten

Kmc just makes the best chains, also this gold chain just looks good on all bikes

Reliable

2024/07/16

Abel Pinedo

100% safe product and page with a lot of information, safe sale

Excellent kmc chain

2024/07/15

Bruno

Another KMC chain that replaced a Shimano chain and in fact the quality is much higher! Smoother shifting even under load. I recommend!

Durable

2024/07/13

Sergio

I use this chain since it is the one that lasts the most kms.

2024/07/10

Manuel

Good product, very good quality and excellent material. Thank you very much Bike Inn.

Satisfaction

2024/07/01

Bruno

Good quality of material. worth the money.

Colorful and durable

2024/06/14

Roberto

Aesthetically very attractive; I with my sram gx, perfectly compatible since it is the second one I use. Durable,...too.

Excellent chain

2024/06/09

gregorio

Kmc always proves to be at the top in terms of the quality of its chains, I have been using it for years on my bikes and it has never given me incompatibility problems (SRAM and Shimano), always proving to be ultra-smooth and long-lasting (the Gold ti)

Cadena kmc 12v

2024/05/21

DeveDavid

I picked it up gold and its appearance is a 10. We'll see how long it lasts. Easy installation. Good changes and little noise.

Great

2024/05/12

Artur

Just like expected

Kmc chain

2024/05/10

Unai

Good, pretty and well priced.

Good quality price

2024/05/01

Pedro

Good price and quality, I've been using the brand for several years

Quality

2024/04/11

OSCAR

Good chain, KMC never disappoints

Resistant

2024/03/29

Adolfo

Good product quality price. For the benefits and duration it has, it is an excellent product.

Good quality

2024/03/27

ANTONIO

It works very well on my ebike with a shimano xt group, the durability remains to be seen...

All good

2024/03/23

Diego

I always use KMC chains for my SRAM drivetrain and so far I have never broken any. Good price, better quality and excellent service.

Cadena kmc x 12 gold

2024/03/13

Jesús

I had tried the gold / Black version and I have repeated the purchase in the gold version. It is a chain without rival, I am waiting for the SL version to come out so that it is lighter.

Durability, smooth shifting

2024/03/09

waldo

nice silver chain, it has very good durability, the changes are very smooth

X12 black

2024/02/26

ANTONIO

It looks good, I have always used Shimano SLX 7100, this one has a similar price, I hope it lasts longer without stretching on my Ebike.

It seems like a good product, worth evaluating

2024/02/21

Claudio

This is my first time purchasing this brand. I will see its quality over time

Good product

2024/02/18

Manuel

Product as described. Thank you Bike Inn.

Good product

2024/02/18

Manuel

Product as described. Thank you Bike Inn.

Very Good

2024/02/11

Artur

Very good. Just as expected

Kmc quality

2024/02/10

Nacho

Good chain, resistant and easy to assemble. As always KMC quality

Good chain

2024/02/09

Oriol

The chain is really durable, it can last many kilometers without problems. Furthermore, not having a mounting address is an added advantage.

Cadena kmc x12

2024/02/09

Diego

All perfect. For shimano ultegra 12 speed

It fulfills its function

2024/01/18

Álvaro

Mounted on a shimano xt, it achieves adequate changes

Good chain

2024/01/05

ALEJANDRO

I've only had it for a short time. Performance is 10. Very pretty and quality, it looks durable. Now I hope it complies. It is my first chain of these characteristics.

Durable

2023/12/21

Sergio

Good product, lasts 3 times longer than a shimano

Very satisfied

2023/12/20

fanbenito

Products corresponding to the description. Beautiful product in black and gold, works very well with the Shimano 12v. That's why I bought this one

Kmc 12 speed gold chain

2023/12/06

Simone

Haven't tried it very much yet, it looks very good and the color is really beautiful!!! A real piece of jewelry, well made and made of excellent material

Solid chain

2023/11/27

Bart

Runs smoothly on Deore cassette with Praxis chainring.

Very good !

2023/11/24

Jonas

Very very good as always, KmC.

105 DI2

2023/11/23

António Miguel Tourais Nogueira

I would like to know if it is compatible with Shimano 105 DI2

Durable

2023/11/19

Adolfo

This is the second time I have bought this chain as it offers great durability without noise.

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KMC Information

2025/09/01

Arcangelo

Is the chain original KMC and 100% compatible with Shimano DI2 8100 12V? Before paying I would like to know if it is available for immediate shipment from the warehouse.

Answer of Abel

100% original and suitable for Shimano 12V 8100s. If it says "immediate shipping," it means they have it in stock. https://www.tradeinn.com/bikeinn/es/kmc-cadena-x12-road-mtb/137598735/p

ORIGINAL ?

2025/06/26

eri

IS IT ORIGINAL TAIWAN?

Answer of Abel

Es original KMC

Shimano 105 di2

2025/05/24

RENATO

It is compatible with shimano 105 di2

Answer of Mark

It's compatible with 12 speed Ultegra Di2, so I would imagine it will work just as well with 105.

Meaning of mountain

2025/03/01

alain-frison

Hello. Does this chain have a direction or mounting dimension?

Answer of Andries

Chain has no specific direction.

Answer of Antonio

No. It doesn´t have an address.

Good quality

2025/02/20

ALEJANDRO

Good product and durable. Compatible with sram and shimano 12v

Is it compatible with Shimano SLX 12v?

2025/02/10

Jorge

Is the chain compatible with the Shimano SLX cassette? and does it last long?

Answer of ALEJANDRO

Compatible with slx 12v and is more durable than shimano.

Answer of alejandro

If it is compatible you have no problem. I use it with an XT cassette and have no problems.

Answer of Edwin

It is compatible with Shimano and I have done many kms with it, around 2000. It is very good.

Compatible

2025/01/13

Francisco

It is compatible with Shimano XT 12 speed gears, it is an electric MTB

Answer of Elia

I´m looking for a Shimano 12" bike and a Mondraker bike

SRAM RED AXS Compatibility

2025/01/03

amaury

Hi, is it compatible with 12v SRAM RED AXS?

Answer of alejandro

Yes. I don´t think you´ll have any problems.

Answer of Benoit

Normally compatible with Sram, Shimano and Campagnolo 12v. MTB or road.

Gold chains

2024/11/04

Gines

Good evening, I have 2 bikes, one road bike with a 12-speed Shimano 105 and another 12-speed MTB with SRAM GX and both have a little time left to change the chain and I was thinking about the 12-speed KMC in gold. Are both compatible with the same chain and how many links do I have to choose for each of them? Regards.

Answer of Ciaran Kelly

They are compatible, yes. Both are 12v. For the links, count the ones you have on each bike now, so you don´t make any mistakes.

Answer of Antonio

They are compatible, yes. Both are 12v. For the links, count the ones you have on each bike now, so you don´t make any mistakes.

Quick Link

2024/09/20

marcos

Hi, is a quick link included in the product? Thanks

Answer of Alberto

Hello. Yes, the quick link is included and consists of 2 pieces :)

sram gx compatibility

2024/06/01

Antonio

Greetings, is this compatible with a 12v sram gx groupset with a 32t chainring. and pine nut 10-50? Thank you.

Answer of Alberto

Hello. I have a SRAM XG-1275 cassette for GX Eagle 10-50 12v and it works perfectly even though my chainring is 34T.

Chain lock

2024/05/19

Mayer

Is a chain lock included?

Answer of Alberto

Yes, it includes a power link.

Content

2024/04/12

Daniele

Is the false shirt included?

Answer of Andrew

If by ‘false shirt’ you mean the connecting links, yes these are included with the chain.

Answer of Basilio

If you mean the quick link (or bolt), yes, bring one.

New Chan specification

2024/03/23

Max

Hello, is this chain already the new KMC Chain spec (with the engraved 12 on the outer links), which is usable with SRAM AXS 12 speed?

Answer of BEGOÑA

I have used it on 12v shimano dura ace and it worked perfectly for me. I understand that for sram axs 12v it will work just as well.

Answer of Cesar Pedro

The chain is compatible with any 12-speed transmission. And it´s top!

Answer of Mario

Mine does not have X12 engraved on the outside but I have been using it for several months in the AXS without problems

Answer of Devis

I installed it on a Shimano XT gearbox and it works wonderfully, I don´t know if it works with SRAM.

Compatible

2024/02/18

Joel

Is it suitable for 32 ethirteen single chainring with 12 speed slx cassette???

Answer of bram

Yes, this one fits here

Answer of Oriol

Hello, I use a 38 chainring and an 11-50 sprocket and it works well for me, I cut 4 links and it looks perfect!

Answer of Daniel

I have it mounted on a 11-52 Garbaruk cassette and 32 Sram single chainring and it works perfectly for me. With the combination you mention, you shouldn´t have any problems.

Suit Shimano Deore M6100?

2024/02/12

Marcus

I have a Merida Twenty One 600 MTB and it lists the KMC X12 as original fitment with Raceface front chainring and M6100 12 speed. There are 5 different KMC X12 chains listed, how do I know which one is the same as I have?

Answer of FRANCISCO

I have a 34-speed Raceface chainring and a 12-speed Shimano M7100 and this chain is great. You have to cut it to the same length as the one you have on. On the Merida page that you have indicated, look in GEOMETRIES for CS CHAIN STAY LENGTH [MM] which is the chain length depending on the size of your frame.

Is it compatible with shimano ultegra 12v and with 2 chainrings?

2023/11/22

Iván

It would be for a road bike, with two chainrings and 12 sprockets.

Answer of Vincenzo

Yes, the important thing is that it has 12 sprockets at the back

Answer of Alvaro

It served me with two plates and 12 pine nuts.

Answer of BRUNO

YES IT CAN BE FOR A ROAD BIKE VERY GOOD QUALITY PRODUCT

אופני הרים

2023/11/14

שמואל

האם,השרשרת מתאימה לאופני הרים 12,מהלכים

Answer of Carlos

Yes, that means the “x12” on the box.

Answer of Mario

Yeah. I use it on my two bikes with Sram XXI and AXS without problem. Original Sram and Garbaruk cassettes with Race Face and Shimano chainring. They are strange combinations but it works well without problems. Also longer lasting than the original SRAM.

Answer of Devis

Yes, perfect. I installed it on a 12-speed Shimano XT gearbox. Quieter and smoother gearbox, fantastic!!!!

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KMC X12 Road/MTB chain

Features of KMC X12 Road/MTB

KMC - Bike parts - Chains

Specifications KMC X12 Road/MTB

Features of KMC X12 Road/MTB

Color Silver

Recommended Use MTB Cycling

Road Cycling

Speed 12s

Product description of KMC X12 Road/MTB chain

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What our customers are saying about KMC X12 Road/MTB chain