FAQ

Are e*thirteen cassettes compatible with Gravel/Road drivetrains? Which ones?

e*thirteen cassettes make a great choice for all sorts of bikes, but you'll need to carefully consider your parts selection to get the best possible performance.

Cassette Compatible Drivetrain Parts
XCX 11 Speed - 9-34T

Shimano:

  • Ultegra RD-R8000-GS / RD-R8050-GS (DI2) Medium Cage
  • Ultegra RX RD-RX800-GS / RD-RX805-GS (DI2) Medium Cage
  • 105 RD-R7000-GS Medium Cage
  • GRX RD-RX810 / RD-RX815 (DI2) (34T Max Low Sprocket)
  • GRX RD-RX812 / RD-RX817 (DI2)  (42T Max Low Sprocket)

SRAM:

  • SRAM Force 1 11-Speed, Long/Medium Cage
  • SRAM Rival 1 11-Speed, Long/Medium Cage
  • SRAM Apex 1 11-Speed, Long/Medium Cage

 

XCX 11 Speed 9-39T / 9-42T

Shimano:

  • GRX RD-RX812 / RD-RX817 (DI2)  (42T Max Low Sprocket)

SRAM:

  • SRAM Force 1 11-Speed, Long Cage
  • SRAM Rival 1 11-Speed, Long Cage
  • SRAM Apex 1 11-Speed, Long Cage

 

Helix 11 Speed 9-46T

TRS+ 11 Speed 9-46T

Shimano:

  • GRX RD-RX812 / RD-RX817 (DI2)  (46T not officially supported by Shimano, but works)

SRAM:

  • SRAM Force 1 11-Speed, Long Cage
  • SRAM Rival 1 11-Speed, Long Cage
  • SRAM Apex 1 11-Speed, Long Cage

Helix 12 Speed 9-50T

Shimano:

  • N/A

SRAM:

  • AXS Red/Force Shifter + AXS Eagle XX1/X01 rear Derailleur

 

"Unofficial Solutions"

The chart above shows the many off-the-shelf options which can work with e*thirteen cassettes. In addition to these, there are many aftermarket upgrades available to either increase the capacity of certain road derailleurs or to modify the operation of others.

While we have not tested most of these solutions in any rigorous way, we have had good success with some adapter products from Wolf Tooth Components, and more recently with the 12 speed upgrade for SRAM mechanical shifters from Ratio Technology

If you've had good success with an alternative setup, post a comment below or shoot us a message and we'll update our list!

 

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Are Helix Cassette Parts Backwards Compatible with TRS+ Cassettes?

Helix 11 Speed 9-46 - No backwards compatibility

11 speed Helix parts are not backwards compatible with 11 speed TRS+ cassettes, regardless of generation.

 


 

Helix 12 Speed 9-50 - Yes!

12 Speed Helix 9-50 parts are backwards compatible with 12 speed 9-50 TRS+ cassette parts.

 


The Fine Print - misaligned lock screw

The first production batch of Helix 9-50 Cassettes included an error in the location of the lock screw. Because of this error, if a Helix steel piece is installed on a TRS+ aluminum section or vice versa, the lock screw holes will not line up!

This includes all Helix cassette parts with date code 39M or earlier. This code will be laser etched on the cassette pieces with the rest of the date code. Where can I find my Date Code?

Helix parts with version code date code 40M or later are directly compatible with TRS+ parts.

Regardless of this hole misalignment, you can still use any Helix parts with TRS+ parts. We have developed a special lock screw to deal with the hole misalignment.

Please contact e*thirteen support if you have this issue and we will be happy to supply you with this lock screw.

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Is the Helix cassette approved for e-bike use?

The Helix cassette was designed as an ultra-light high performance cassette for pedal bikes without engines. We do not recommend it for use with e-bikes. If you are looking for a cassette for your ebike, our TRS+ cassettes are e-spec approved and work great for ebike applications. 

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Why don't you offer a 12 speed conversion kit with a 9-50 cassette?

The cage capacity of 11 speed derailleurs will not support a size larger than 46T. A 12 speed derailleur would be required for a 50T cassette cog so due to this incompatibility, we do not offer the kit with a 9-50 cassette.

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Can I use the TRS or XCX cassettes with a double (2x) chainring setup?

Answer: It depends on your rear derailleur capacity. 

The ability to use TRS or XCX cassettes with a 2x system is strictly dependent on the capacity of the rear derailleur.  Your derailleur capacity is the maximum amount of slack chain the rear derailleur cage can handle. The more potential slack, the bigger a derailleur cage you need. 2x systems generally require more capacity than 1x systems.

Capacity is found by taking the difference between your largest and smallest front and rear gears. 

(Difference between tooth count on smallest and largest chainring) + (Difference between tooth count on smallest and largest cassette cog) = Capacity. 

For example, if you are running 22-36 chainring and 9-39 cassette then: (36-22) + (39-9) = 44. This means you need a derailleur with a capacity rating of more than 44 for your 2x system to function correctly. 

Please reference your derailleur models technical specifications to find information about specific model capacity. 

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Are e*thirteen cassettes compatible with XD™ and XDR™ drivers?

Answer: e*thirteen cassettes are all compatible with both XD and XDR drivers.

XDR is a freehub body standard designed by SRAM to allow the installation of 12-speed road cassettes on an XD-style freehub body. It is 1.85mm longer than XD, but otherwise identical.

To use an e*thirteen cassette with an XDR™ driver, place a 1.85mm shim behind the cassette on the driver during installation.

Most wheels with XDR hubs will supply the necessary shim with the wheel. If your wheel or hub didn't come with this shim, you should be able to contact the manufacturer to supply a shim.

XCX cassettes are supplied with the necessary shim in the box!

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Troubleshooting Cassette Creaking and Noise (TRS+, TRSr, XCX, Helix)

e*thirteen cassettes are designed for long term, quiet operation. However, like most high-precision bicycle components, periodic maintenance is required for best results.

Most cassette creaking noise can be resolved by disassembling the cassette, applying a liberal coat of grease to the contact points between the steel and aluminum pieces, and re-assembling.

Check out one of these articles to see how, depending on your cassette: 

How to install/remove Gen 2 TRS and XCX 11 speed cassettes

12s Upgrade: How to install your 12s TRS Plus cassette

Special Note - Cassette End Bushing

All current e*thirteen cassettes use a teflon filled Delrin bushing to support the steel portion of the cassette. If this bushing is left out during assembly, your cassette will creak, and may be damaged!

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 It's a good idea to check to make sure this bushing is installed if you're getting persistant loud creaking from your cassette.

If you have a 9-42 10-speed or 9-44 11-Speed cassette, please see this article: My TRS+ 9-44 cassette is creaking, how can I fix that?

 

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Can I run an e*thirteen 12 speed cassette with the new 12 speed Shimano™ drivetrains?

Yes!*

*With a few setup tips and the proper chain.

Note: For best results, our new Helix 12 speed cassettes are specifically designed to work with Shimano™ 12 speed MTB drivetrains.

The new Shimano™ 12 speed XTR™, XT™, and SLX™ groups are excellent kit, and you probably want to run one. We invested a lot of hours in setting up and riding these parts so we can recommend the best setup to maximize performance with our e*thirteen 12 speed cassettes. For everything we know on the subject, jump over to our comprehensive guides.

Quick Tips:

  1. Chain length is king. It is critical to follow Shimano's chain length instructions for proper performance. (These instructions are also contained in our comprehensive guides!)
  2. Chain selection is important. Shimano's new 12s chains (CN-9100, etc) were designed to work specifically with Shimano's new 12s cassettes.. and may cause problems with other cassettes. Choose a chain according to the attached design graphic for best performance with your e*thirteen cassette. (These instructions are also contained in our comprehensive guides!)
  3. Setup may be a little different than you're used to. Shimano™ 12s spacing is a little different than SRAM™. Our cassettes were largely designed around SRAM™ spacing, since that's all that existed when we started! This means you need to focus your attention on the largest steel sprocket on your e*thirteen cassette. Set up your shifting and limit screws as normal, then check for rubbing in the largest steel sprocket, and fine-tune to eliminate that noise.
  4. B-Limit tuning. The setup markings on the Shimano™ 12s derailleurs are designed for their 51T large sprockets, and thus don't translate directly to the large sprockets on our 9-46T and 9-50T cassettes. The short answer is you probably need to adjust the b-limit screw out a bit to get the best shifting performance. (Did we mention our comprehensive guides? they've got instructions to dial this in.)

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How long should my cassette last?

There are a large number of variables that go into how long a cassette will last. This makes it difficult to give a specific number of hours or miles that a cassette will last before needing replacement. Some of those variables include riding conditions, personal gearing preferences, front chainring size, drivetrain maintenance. 

For example, a rider who regularly rides in muddy conditions and with long sustained climbs that favor one or two of the alloy cogs will wear a cassette much quicker than one riding in mild conditions with undulating terrain that spreads out chain position and wear across more of the cassette. 

Two of the best things you can do to maximize the life of your cassette is to regularly check your chain for wear (and replace when necessary) and keep your drivetrain clean and lubed.

For riders in places with flat terrain riding frequently in the smaller cogs, increasing the size of your chainring will result in more frequently being in the middle section of the cassette which can improve longevity. 

For riders in places with big climbs frequently in larger alloy cogs, reducing the size of your chainring can result in more time being spent on the steel portion of the cassette which can improve longevity.

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Can I use a TRS+ or Helix 12 speed cassette with the SRAM™ Grip Shift™ 12s system

Yes, this setup is compatible.

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Can buy the TRS Plus 12 speed Upgrade Kit system and run the cassette and chain on my current 12s SRAM™ system?

Certainly! The cassette uses the same 12 speed spacing, is wider range and around 30g lighter weight. It's also far less expensive and you get a new chain which you should replace at the same time anyway.

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Is it possible to replace the steel/alloy section of my 11 speed cassette to convert it to 12 speed?

No, due to differences in cog spacing and different interfaces this is not possible.

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What if I can't figure out how to install the spool and ratchet on the TRS Plus 12 speed Upgrade Kit?

Contact us (link to contact page) and we will help trouble shoot and make sure you are up and riding as soon as possible. 

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Is the TRS Plus 12 speed Upgrade Kit the lightest 12s shifter, cassette and derailleur system I can buy?

Yes. Yes, it is. 

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Is my TRS Cassette ruined if I rode it without the plastic bushing under the steel section installed?

Possibly - install the bushing and check function. If limited rides were done without it in place, it may still be fine.

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Do I have to use the e*thirteen 12s chain on the e*thirteen 12s cassette or will other manufactures work also?
Most 12 speed mountain bike chains should work including SRAM and KMC™, YBN and others.

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Can I use an 11 speed chain on the 12 speed cassette?

No, you must use a 12 speed chain.

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Can I use the TRS+ 12 speed Upgrade Kit to upgrade my Shimano™ 11 speed drivetrain to 12 speeds?

No.

TRS+ 12 speed Upgrade Kit can only be used to upgrade SRAM™ 11 speed systems. 

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Out-of-spec XD™️ drivers and other notable hub compatibility considerations

 

Fit issues due to out of spec drivers

The XD™️ Freehub body standard was developed by SRAM™️ for wide range cassette applications. Every manufacturing making XD™️ freehubs must license the standard from SRAM™️ and agree to following the design specifications. 

 

We design our cassettes specifically to the XD™️ standard and an in-spec XD™️ driver is critical for proper install and clamp force to retain the cassette on the driver. 

 

We have found some cases of undersized and out-of-spec XD™️ drivers on the market. Undersize drivers can reduce the critical clamping function of alloy cassette sections and result in looser than ideal fit; or other out-of-spec features can prevent the alloy section from fully seating on the driver. This can result in the poor shifting performance and a slight side to side movement of the entire cassette assembly which is be seen at the largest cog when backpedaling. 

 

Some out-of-spec drivers are obvious (Hope Technologies™️), while others require digital calipers to identify the issue. TRS, XCX and Helix cassettes come with 3 different thickness shims in the box which can be used for properly fitting e*thirteen cassettes to undersized drivers. If missing, please contact your local distributor or e*thirteen directly and we will supply one free of charge.

 

Hope Drivers

Hope XD drivers are undersized at the clamp location and not technically in the XD standard spec.

Hope___Driver.JPG

Due to this, a shim is required to ensure the cassette clamp functions properly. Please see the cassette section of our support site for install instructions.

 

Other out-of-spec drivers

Other out of spec drivers are not as obvious and require a measurement to identify the issue. Critical dimensions are shown below and measurement #1 is the most common culprit. In some cases, the thinnest shim can be used to address the undersized driver and cassette fit, however in some cases the only option is to replace with an XD™️ driver which is within the specifications of the XD driver standard.  XD___Critical_Dims.png

 

Other hub compatibility considerations

 

  • Chris King™️ needle bearing freehub bodies: Chris King does not recommend pinch clamp style cassettes to be used on their freehub bodies which use needle bearings in the freehub body/axle interface. 

 

 

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Did the steel sections of the cassettes change when you updated the alloy sections to the pinch bolt version?

No, the steel sections and interfaces between the two parts did not change. This means that steel and alloy sections of all e*thirteen TRS+ and TRS Race 9-46 cassettes are interchangeable and backwards compatible. 

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Why did you change from using a lockring to a pinch bolt for cassette attachment?

The change to the pinch bolt version simplifies the install/removal process dramatically.

Instead of requiring a proprietary lockring tool, now all you need is a T25 torx wrench to install or remove the alloy portion of the cassette. 

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Are TRS race cassette parts compatible with TRS+ cassettes?

Steel and alloy cassette clusters from TRS+ 9-46 11s (FW1TPA-102) and TRS Race 9-46 11s (FW1TRA-100) cassettes are cross-compatible.

Parts from TRS+ 9-42 10s and TRS+ 9-44 11s cassettes are not cross compatible with any other cassettes. 

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What derailleur cage length do you recommend with the 11sp cassette?

For Shimano drivetrains both GS (short) and SGS (long) cage derailleurs will work. We typically recommend long cage versions as they tend to shift a bit smoother.

For Sram there is only one cage length option in the 11sp derailleur lineup.

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I can't get the steel part of my cassette to lock onto the aluminum piece, what's wrong?

In most cases, when a cassette won't turn to lock together is it because the steel portion of the cassette is not fully seated onto the XD driver.

We make the fit between the cassette bushing and the XD Driver very snug, so that the cassette won't move and shift in use. This can, however, lead to issues during installation.

Occasionally grease on the XD Driver end under the plastic bushing can get trapped between the bushing and the driver, which stops the bushing from pressing all the way on.

Solution: Remove the steel cassette part and plastic bushing, and wipe off as much grease as possible, then reinstall.

The plastic bushing in all our current cassettes is a teflon filled delrin, so it requires the bare minimum of grease to aid installation and prevent noise.

Click here to view the full article »

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Which drivetrains do you recommend for your 11sp cassette?

The TRS+ and TRS Race cassettes were designed to work well with either Shimano or SRAM 11 speed drivetrains.

For Shimano drivetrains both GS (short) and SGS (long) cage derailleurs will work.

Click here to view the full article »

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Which chain do you recommend for your 11 speed cassettes?

We recommend Shimano™, SRAM­™, or KMC™ chains.

That doesn't mean others won't work, but we have tested and ridden chains from these manufacturers extensively, and we are confident that they perform well with our 11 speed cassettes.

We highly recommend using a new or nearly new chain when you install your new e*thirteen cassette!

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My TRS+ 9-42 or 9-44 cassette is making noise, how can I fix that?

Note: this service applies only to Generation 1 TRS+ Cassettes, 9-42T and 9-44T.

If you have a newer, 9-46T 11 or 12 speed TRS+ or TRSr cassette with creaking issues, read the article here: Troubleshooting Cassette noise (TRS+, TRSr, XCX)

We have found that certain freehub bodies may interact with our cassette in such a way that noise can occur under load. We have made changes to newer production runs of the cassette to solve this potential problem.

Follow these steps to cure your creak, if you detailed install and removal instructions you can find those here: http://service.bythehive.com/c/Cassette

Step 1:

Grease under the 9-10t cogs on the steel portion of the cassette.

Step 2:

If greasing doesn't solve your issue, contact your nearest distributor for a creak fix kit. The kit includes a spacer and small PTFE washer.

Remove your cassette, install the silver spacer under the cassette

Re-install the aluminum cogs and lockring

Install the PTFE washer and make sure it is seated on the XD driver

Re-install the steel portion of the cassette.

 

 

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