KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel, Black

KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel

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64 Reviews

23 Questions

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Features of KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s

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Specifications KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s

Features of KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s

Color Black

Color

Black

Product Type Jockey wheels

Product Type

Jockey wheels

Product description of KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel

Description summary

Unleash your drivetrain´s potential with the KCNC Ultra Sram X-Sync Jockey Wheel. Engineered for 11/12-speed systems, this premium upgrade delivers faster, more reliable shifting and superior chain control. Its advanced Narrow/Wide tooth profile with extended long teeth virtually eliminates chain drop, giving you confidence on rough terrain. Precision CNC-machined from lightweight AL7075 alloy and equipped with a smooth, durable stainless steel bearing, it ensures every gear change is crisp, immediate, and silent. A high-impact investment for ultimate performance

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KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide Jockey Wheel (11/12s)

Category: Spare Parts
Subcategory: Transmission

Unleash the full potential of your drivetrain with the KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide Jockey Wheel. Engineered for cyclists who refuse to compromise on performance, this premium upgrade is the key to achieving faster, more reliable shifting and superior chain control on your 11 or 12-speed setup. Designed as a high-performance component within the transmission system, this jockey wheel is a direct replacement that offers a significant enhancement in both efficiency and durability over standard stock pulleys.

Experience a new level of shifting accuracy and drivetrain silence. The KCNC Ultra Jockey Wheel is meticulously crafted to elevate your ride, whether you´re tackling technical climbs, sprinting for the finish line, or navigating demanding singletrack.

Key Benefits:

* Unmatched Chain Retention: The advanced Narrow/Wide tooth profile, combined with extended long teeth, is specifically designed to engage the chain with unparalleled security. This technology dramatically reduces the risk of chain drop, especially in rough terrain or during aggressive shifting, providing you with the confidence to push your limits. It is an essential upgrade for 1x drivetrains.
* Flawless Shifting Precision: Thanks to the full CNC machining process and Sram X-Sync compatible design, every tooth is shaped to perfection. This ensures a flawless mesh between the chain and the pulley, resulting in immediate, crisp, and accurate gear changes every time you press the shifter. Eliminate hesitation and lag from your transmission.
* Silky-Smooth & Durable Performance: At the heart of this jockey wheel is a high-quality stainless steel (SS) bearing, which offers an exceptional balance of low-friction rolling and robust longevity. Complemented by an improved anti-dust bearing cap, the internal mechanism is shielded from grit, water, and grime, ensuring smooth operation and reduced maintenance for miles to come.
* Lightweight Strength: Constructed from high-grade AL7075 alloy, this jockey wheel provides incredible strength and stiffness without adding unnecessary weight to your bike. This optimal strength-to-weight ratio contributes to a more responsive and efficient drivetrain.

Features:

* AL7075 wheel cage available in SS bearing.
* Compatible with Shimano, Campagnolo and SRAM X-0, FORCE, RED.
* Improved anti-dust bearing cap.
* Full CNC machined.

Technical Specifications:

* Product Type: Jockey wheels
* Brand: KCNC
* Model: Ultra Sram X-Sync Long Teeth Narrow/Wide
* Speeds: 11-speed and 12-speed compatible
* Technology: Sram X-Sync, Narrow/Wide tooth profile
* Bearing Type: Stainless Steel (SS) Bearing
* Construction: Full CNC Machined AL7075 Alloy
* Protection: Improved anti-dust bearing cap
* Primary Compatibility: SRAM X-Sync 11/12-speed rear derailleurs
* Additional Compatibility: Also compatible with select Shimano and Campagnolo systems, as well as SRAM X-0, FORCE, and RED derailleurs .

Whether you´re upgrading your mountain bike for demanding trails or fine-tuning your road bike for race day, the KCNC Ultra Jockey Wheel is a high-impact investment in your drivetrain´s efficiency and reliability. Experience the difference that precision engineering makes. Upgrade your transmission and ride with confidence

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What our customers are saying about KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel

A high-quality, lightweight aluminum upgrade for SRAM Eagle & AXS 12-speed systems. These pulley wheels offer a perfect fit and are more durable than stock plastic ones. Sealed bearings ensure incredibly smooth, fast rolling for improved shifting accuracy. Praised for their excellent design, vibrant colors, and mud-shedding capabilities, they provide a noticeable performance and aesthetic boost. A robust and reliable alternative to OEM jockey wheels

Excellent

2025/07/01

Maxi

It fits perfectly on my SRAM Eagle, no need for a washer. They work great.

Replacing your lousy stock jockey

2025/06/12

Euin Eury

Plus looks and it do its job.

Good product

2025/03/29

boab

At the top, great look, this is the second pair I've ordered, good lifespan and more robust than the SRAM ones. They don't retain mud which causes the chain to derail like the HOPE ones. The color fades slightly after two years and they are not practical to clean.

Perfect

2025/01/02

Iván

Good product

Top product

2024/11/06

levi

Looks nice!

Really good alternative to the original sram axs 12-speed pully wheel

2024/10/19

lennart

Really nice and affordable alternative to the original SRAM AXS 12-speed pully wheel.

16T rollers

2024/10/18

Bernard

Are these jockey wheels compatible with the cyclingceramic cage for Sram Etap Wifli 11 speed?

Nice bling

2024/06/19

Romain

They sure look really nice, and roll smooth ! I would not be able to tell a real difference woth the oem jockey wheels, but that bling touch is appreciated. Maybe a little more noisy, maybe it´s the cassette or chain, don´t lnow and don´t really care.

Gx t type

2024/05/03

Laurent

I wanted to know if it was compatible with gx axs t type in 14 16 teeth and if not what could be compatible, it´s a hassle to find gear in t type.

Excellent product!

2024/03/23

CHRISTIAN

Excellent product, excellent condition (NIB), very exactly fit and smooth ride sensation. Very beautiful, great and nice colors. Very good quality and fast shipping. Thanks a lot.

I loved the color!

2024/01/29

Adrian

I love the KCNC color, the pulleys are very light and the sealed bearing rotates very smoothly! I liked how they worked on my derailleur, excellent and very high quality of the product.

It is beautiful

2023/11/19

Eric

It's pretty, it runs faithfully on its bearings. It should last over time, longer than the original plastic ones.

Perfect

2023/10/06

Edu

Excellent quality aluminum product. The pulley turns very fast

Visually appealing

2023/07/05

Alejandro

At first glance, the 16-tooth looks very big, but it fits perfectly in 11-speed.

Great product

2023/05/04

Danilo

Excellent quality aluminum product. The pulley spins faster than stock.

Very good

2023/04/07

Rulina

Good quality product and very light.

Roldana kcnc

2023/03/31

Miguel

Unbeatable aesthetics, very good design and finishes, the expected result goes well with the 12v sram change

Perfect

2023/03/22

Paco

At the moment they work correctly the aesthetics is spectacular

Pulley

2023/02/16

Jose

Very good and I bought some rollers, they have arrived and it comes with a small washer, you have to put it

Good product

2023/02/14

Jose Antonio

High quality roller and a good finish that gives a very handsome touch to the change

Handsome

2023/01/28

Víctor

Excellent rollers, very beautiful and they work perfectly in the change, they are very beautiful to me and apart from that, the operation is better

Genial

2023/01/18

Miguel Angel Casado Perez

Sheave very light and aesthetically brutal.

Pulleys

2022/12/22

Juan

Perfect for gx eagle 12 v change... good quality...

Sheaves

2022/11/12

Carlos giraldo

Greatws they roll well very light

Good quality

2022/11/10

Jesus

Good pulley wheels for 12v sram I bought 14-16 teeth, I had already tried this brand before and the truth is that they are very good for me. and here they were at the best price.

Kcnc sheave for gx 12v

2022/11/08

Benito

Just perfect. The inaccuracies generated by the looseness of the originals are over. You remove one and put another one and roll 100% recommended 12 above 14 below

Quality

2022/10/20

Javier

Quality assurance, sheaves very well worked and make the transmission work very well

kcnc washer

2022/10/20

Manel

I bought some kcnc 12t 14t slices For sram axs 12v Does anyone know where the washers that come in the package go?

Great Product

2022/10/19

Rich

Very well design and perfect for my bike.

Great Product

2022/10/19

Rich

Very well design and perfect for my bike.

Sheave 11t

2022/10/18

Carlos

Good quality, easy cleaning and rolls well

Flipping

2022/10/14

isma

I have been blown away by the qualities, the finishes, everything. The aesthetics are overwhelming and well, the only thing left is to try them.

Touch of color and detail

2022/10/12

Felix

They are light and give a very cool touch to the bike

Perfect

2022/10/09

J.J

The roller is well machined and well finished. The quality is at the appointment.

Pulley

2022/09/14

Berardino

Great product, kcnc a guarantee

Durable sheave

2022/06/28

MARC

Perfect the last one lasted me 8000km

Quality sheave

2022/05/30

Benito

Quality pulley, for GX 12v, it rolls very well and does not have the play that Sram has.

Great

2022/03/02

Andre

Great product and store. year to bike

Sram kcnc ultra sram shifters pulleys

2022/02/02

Roberto

High quality product .. In addition to beautifying the bike

Castor evaluation

2022/01/08

roberto

Excellent product and fast delivery

Perfect

2022/01/01

Juan

The order arrived correctly arrived 14-16 SRAM GX AXS 12v

Sheaves

2021/12/21

Adalberto

They arrived on time, they have a good design and quality, they work very well. Congratulations

I recommend

2021/08/11

JUAN JOSE GARCIA

Excellent finish. Excellent quality. I recommend

Sheaves

2021/07/20

Pedro

They are beautiful, well built and look great but I have not noticed change in anything but I did not expect it

Beautiful product

2021/07/19

José Francisco neves

Very beautiful product with quality.good functioning..5 stars...

Colored change pulley 12t

2021/05/15

MATTEO

It arrived on schedule, beautiful pulleys to look at, excellent design, the gearbox works well and absolutely does not get dirty one the originals, I'm happy!

Perfect!

2021/04/27

Fabrizio

Arrived on schedule, purchased 12-14 teeth for a SRAM GX Eagle, 12-speed drivetrain. For now I am satisfied.

Happy birthday

2021/03/26

Arthur Zafalon

Very beautiful ... I was happy ...

Excellent product

2021/03/07

Alvaro

Hello in regards to transmission, I change the power, sound, fluidity, the power batios, very good product when changing it, if they do, you will notice fast shipping, happy greetings from Chile

Super good

2021/02/16

Lantern Li

So good, shipping a little bit slow though, but everything is worth it!

Very nice derailleur roller

2020/11/27

alain

Super high quality derailleur pulley and mounts perfectly on the SRAM X01 Eagle AXS 12V derailleur

Very good derailleur roller

2020/11/27

alain

Super high quality derailleur pulley and mounts perfectly on the SRAM X01 Eagle AXS 12V derailleur

Kcnc sheaves

2020/10/27

Fernanso

Fantastic, they look great and roll better

Kcnc sheaves

2020/10/27

Fernando

Excellent roll, reduces chain tension and looks spectacular

Wonderful

2020/10/26

Javier

I have really noticed the change against the original 11v shimano xt. Much cleaner, quieter and more accurate.

Shift wheels

2020/10/01

VICTOR GUTIERREZ

THEY ARRIVED IN GOOD TIME, THEY ARE OF VERY GOOD QUALITY, LIGHT AND THEY IMPROVE THE NOISE WHEN MAKING THE CHANGES. THEY SHOULD PLACE TO PLACE THE PHOTO WHEN THEY ARRIVE AND THUS BE ABLE TO VALUE THE PRODUCT

Sheaves

2020/07/19

Jesus

Good product but dl send shit I asked for gold color and they sent me red

Quality products, quick shipment

2020/06/21

Bertrand

Quality products by KCNC as always. Lightweight, easy to clean, better dirt shedding, smooth bearings, better gear shifts. Value for money aftermarket upgrades for SRAM or Shimano, especially 11-speed drivetrains.

Good quality product

2020/06/09

Emerson r g moreira

excellent finish. excellent quality. I recommend

Light and good

2020/01/18

Joan

It is the second that tinc d'aquesta brand. Bona qualitat, lleugeres and I am not at ease in so fast with the originals that portaba abans.

Smooth bearings

2019/09/30

Clyde

I love how these looks and the bearings also are very smooth.

Looks awesome

2019/09/29

Clyde

This looks alot better than the original jockey wheels on my bike. Also I feel that shifting have been improved.

Light and soft

2019/02/19

Javier

Fluid operation of these sheaves

Bearings

2019/01/15

juan fran

Good product quality and 4g lighter than the original ones. They would lack a pelin more lateral game to be perfect

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SRAM Rival AXS ETAP 12 S

2025/11/13

Luis

Do these pulleys fit the SRAM Rival AXS ETAP 12 S 12T?

Answer of CHRISTIAN

Hello. These pulleys are compatible with the SRAM Rival AXS ETAP 12 S, but only the 12-tooth ones.

Compatibility

2024/10/18

Bernard

Are these jockey wheels compatible with the cyclingceramic cage fitted to Sram Red Etap Wifli 11 speed?

Answer of alejandro

Well, I don´t know. It says it´s compatible with 11v, so I imagine you won´t have a problem. I don´t think that cage will change much, the rollers will remain with the same measurements.

Information

2024/02/25

Ricardo

Good afternoon, I would like to know if this equipment is compatible with NX/Apex1, sram NX 11V derailleur Thank you

Answer of ALBERTO

Hello good. Count the teeth of the pulley you have and choose the same one, in theory you should not have any problem putting it on since it is valid for 11 and 12 speeds.

Answer of Eric

Hi, yes this is compatible

Answer of Jorge

Yes, it is to choose with the same number of teeth as your installed pulleys.

Is it necessary to change the chain?

2024/02/15

Ivan

Hello, I´m thinking about changing the pulleys on my Sram GX from 12v to 14-16... would it be necessary to change the chain or could I take advantage of the one I already have installed?

Answer of Christophe

I didn´t need to change the chain, everything worked perfectly.

Answer of José Miguel

Hello, I have the gx 12 v with these pulleys, if the chain is worn I recommend that you change it and if you have it very short and you are just with the 50 sprocket you should also change it because they are larger pulleys

Compatibility question

2023/11/29

Fco Javier

To mount them on a Shimano Ultegra Di2 11-speed derailleur you would not have to change anything (chain or bracket), it would be to put one of 14 and another of 12 or 13

Answer of Antonio Abad

Someone correct me, but the 12, 14, 16 tooth pulleys are for a SRAM or compatible system in which the teeth will always be even, one thicker than the other. If the pulleys you are going to replace have odd teeth, 11/13 or 11/15 teeth, buy pulleys with odd teeth. You cannot mix evens with odds.

Sram force axv 12 v compatibility

2023/10/16

Jose

¿Es compatible con Sram force axs 12v?

Answer of alejandro

I think it is compatible. A member of the group wears it like this.

Compatible with the Sram AXS Rival Flat Top

2023/08/14

Bogdan

Hello Will these fit the Sram AXS Rival Flat-Top XPLR 10-44 cassette?

Answer of Carlos

No, it is very big and would not fit in the cage

sheaves position

2023/06/20

Borja Esteban

Hi, I bought these rollers, do they have a turning position? I don´t see any marks

Answer of Jose ignacio

I put them, without turning position and they are ok

Answer of Daniel

Hello, I have them on in such a way that the mark is read in the correct direction

Answer of David

I installed them a long time ago, if I remember correctly the mounting position is indifferent, they do not have a turning position.

Answer of alejandro

Hello. I also asked that. I mounted them more or less taking reference from the others and that´s it. I didn´t see any position. The only thing I took as a clear reference was that where it says kcnc that looks towards you.

roller compatibility with SRAM GX 2 x 11 speed groupset?

2023/02/15

hello, the "KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s" pulleys, 12 T 14 T, are they compatible with my SRAM GX 2 x11 speed rear derailleur? THANKS

Answer of darren

Should be ok to use. 11 - 12 spd

Answer of Gian Marco

I don´t know, I mounted them on 1x 12 and it´s fine

Answer of JOAQUIM

Hello, if you already have assembled the KCNC Pulley cage for your derrailleur, yes...or if your sram cage use pulley with this amount of tooth, probably yes

Compatible

2023/01/11

Juan

Good evening, let me tell you that I would like to buy 2 12-tooth kcnc sheaves because I have 2 of 11 teeth and I don´t want to put more chain. I would like to know if they are compatible with the simanho ultegra r8000 11 v change.

Answer of Gian Marco

I don´t know, I bought it for Sram 12V and it works well

Answer of JOAQUIM

NO, If you have the "shimano cage"...YES, if you already have the "KCNC cage" assembled in the "Shimano Rear Derrailleur" (and if the KCNC cage allow 2 x12 tooth) In my case, my KCNC cage for Shimano 6800 rear derrailleur only allow 1 x 14 tooth + 1 x 16 tooth... Best regards

kcnc pulley size for gx axs

2022/11/12

jesus

Hi, what size of kcnc pulleys should I order for a gx axs 12v change? Should the chain be lengthened or shortened?

Answer of darren

Same as your old pulleys!! Count the teeth on rear derailleur!!

pulleys

2022/10/10

joaquin Flores

Dear him. Value is for him. pair or per unit

Answer of JOAQUIM

There´s the answer where you select the amount...you sure don´t use 2 equal pulleys. The price is per unit. The quality/durability is excellent Online store where this item is cheaper !!!

Answer of Jesús

The value is per unit.

Answer of oscar

It is for each unit of sheave and comes with the aluminum screw of the same color included, be careful when approving the screw because if we force the tightening it could happen.

Compatibility

2022/10/02

Francisco

is it compatible with shimano ultegra manual?

Answer of Marcel

It is only for Sram according to the manufacturer! I don´t know compatibility with Shimano.

Answer of Igor

Kaixo. I´m not sure but I would say no. This pulley is bigger than the one that carries the ultegra change.

Hello, it is compatible with sram gx 11 v

2022/09/07

David

Hello, it is compatible with sram gx 11 v. thanks

Answer of José Miguel

I think you will have no problem, it adapts well to the 11 and 12 chain

Answer of José Miguel

I think you will have no problem, it adapts well to the chain of 11 and 12

Answer of Marcel

There should be no problem for the GX 11v. I´m doing fabulous in xx1 12v.

Answer of Igor

If it´s the same size, yes. It shouldn´t give you any problem.

Answer of Juan Carlos

Hi, I have a 12V Sram NX and it´s perfect. I remember that it could be put on a Sram of 11 and 12 V. I hope I have helped you.

Chain

2022/08/15

Javier

Hello, when changing from 12t and 14t to 14t and 16t in a sram gx eagle 12v derailleur, would I have to add a link to the chain? Thank you

Answer of Jesús

Hello, I personally did the same change of rollers for an 8000 series xt and I didn´t have to add any link and it changes perfectly, I hope it works for you.

Answer of Raul

First check that your tensioner allows the change to larger pulleys, if not, you will have problems in the change. To change a chainring with 2 smaller/larger teeth can be done without changing the chain, so in this case there are 4 more teeth, you still have to add 1 link.

Compatibility sram gx 12v shift pulleys

2022/08/09

Antonio

Hi I would like to know if the kcnc 14t and 16t pulleys can be mounted under the sram gx 12v gearbox thanks

Answer of Alonso

I mounted them on my previous bike with no problems. All the best.

Answer of Amaya

Hello, it can be mounted under the gearbox.

Answer of jabier

I have them mounted and they go to the movies.

Compatibility

2022/07/23

DANIEL

Hello, is it compatible with Sram ASX and are they both the same, same teeth?

Answer of RANDY

I believed that as long as your component is1-12s it will fit

Answer of Jose Manuel

Hello, I can´t confirm the compatibility with the ASX group, I have them in an 11-speed xx1 gearbox. I bought the same two pulleys, the 12-tooth model, but you have them in 14 and 16 teeth and you can choose between them when you place your order.

Answer of Marek

Hi, yes it is compatible with SRAM AXS take one 14teeth for upper pulley and one 16teeth for down pulley

Answer of Ángel Manuel

They are compatible. My advice is to take 12 and 14 tooth sheaves, as they are fitted as standard.

Answer of Marcel

In principle it should be worth being 12v As for teeth, a good combination is 14t above and 16t below

Is it compatible with sram gx eagle 12 speed?

2022/07/13

Gianfranco

I should replace the original gx 12 and 14 teeth. Do I get the same teeth again? Are they okay x gx 10-50?

Answer of Alain

Hello I bought these rollers to mount them on my SRAM AXS xx1 derailleur (electric derailleur) the assembly is perfect and corresponds perfectly to the sram chain.

Answer of Alessandro

They are fine to replace original

Is it compatible with gx axs?

2022/06/06

Jor@84

Is it compatible with GX AXS? Will it be 14t and 16t?

Answer of Adalberto

Fully compatible, light in weight, durable and excellent design

Sram gx compatibility

2022/05/15

Carlos

Hello, I have a SRAM GX Eagle group, would I have to share 12-14? Or 14-16?

Answer of jesus

14-16 is his thing 14 up 16 down I wear it and it goes very well

Compatibility

2020/06/25

AGNIEL Maxime

Hello, Is this roller compatible with a Sram XX1 11 speed MTB transmission ?? Thanking you in advance. Sportingly

Hello, yes it is compatible with a Sram XX1 11 speed cassettes. Regards.

Kcnc wheels for nx eagle 12v gearbox

2020/06/23

Jose

Hello, I want to buy some kcnc sheaves for my nx 12v change. Thank you

Hello, this pulleys will fit on a Sram NX 12 speed. Regards.

Sheave size

2020/05/16

FRAN

Buena sought Roldana Kcnc Ultra for a 10v Ultegra shifter road bike. I have seen that they sell a kit with Roldana of 14 and 16D. And tb I have read that the changes that 11D rollers bring could change the tension for a 13D, and reduce friction. What Roldanas would you advise me for my exchange rate?

Hello, if you want the kit with the 14 and 16 jockey you will have to buy the kit like this: https://www.bikeinn.com/bike/kcnc-jockey-wheel-with-ceramic-bearings-shimano-6800-9000/137567218/p Regards.

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KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel

Features of KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s

KCNC - Spare parts - Transmission

Specifications KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s

Features of KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s

Color Black

Product Type Jockey wheels

Product description of KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel

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What our customers are saying about KCNC Ultra Sram X-Sync Long Teeth Narrow/Wide 11-12s jockey wheel