New Helix Cassette

It’s in our DNA to solve problems.
Helix components are engineered to bridge the compatibility gap between SRAM™ and Shimano™ components, ensuring versatility and flawless performance. Future-proof your bike with e*thirteen Helix.

Get The Helix R Cassette
THE MOST RANGE IN THE GALAXY

556% is more range than any other cassette on the market

DURABLE AND SERVICEABLE

Helix R features replaceable gear clusters and Intergalactic PVD finishing

ALL THE OPTIONS

11 or 12 speed and 5 different colors

LOW WEIGHT

Lighter than both XTR & XX1

Helix R Cassette Closeup Helix R Cassette Closeup Helix R Cassette Closeup Helix R Cassette Closeup Helix R Cassette Closeup
Helix R Cassette Features

More Range, Less Weight

The HELIX R 12 Speed Cassette is an upgrade to any SRAM™ Eagle or Shimano™ drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance, but an overall lighter drivetrain.

INDUSTRY LEADING HELIX R 12-SPEED, 556% RANGE, 345-GRAMS
Helix R For The Win

Competitive Advantage

Get The Helix R Cassette
Compatibility Helix R Cassette Compatability
Both the Helix R 11 and 12-Speed Cassettes work flawlessly with Shimano™ and SRAM™ 12s drivetrains, despite the challenges in designing for the different cog spacing and chain behavior.
Performance Helix R Cassette Performance
The improved performance of our new Helix cassette features great Shimano™ 12s shifting performance and improved reliability of steel and aluminum assembly. The new Intergalactic PVD finishing is twice as durable as anodized models. And it is 60G lighter.
Cost Savings Helix R Cassette Cost Savings
The aluminum one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up the granny as needed without buying a whole new cassette.

The Numbers Talk

12 SPEED GEAR RANGE TOTAL WEIGHT TOTAL PRICE
Helix R 11 speed configuration is also compatible with both Shimano™ and SRAM™ Drivetrains.
e*thirteen Helix R 9-50t 556% 345g $279 ($309 Intergalactic)
e*thirteen TRS+ 9-50t 556% 405g $229
e*thirteen TRS+ 9-46t 511% 336g $229
Shimano™ XTR: 10-51t 510% 376g $379 + $100 Microspline Freehub
Shimano™ XT: 10-51t 510% 469g $159 + $100 Microspline Freehub
SRAM™ XX1 Eagle 10-52t 520% 377g $449
SRAM™ X01 Eagle 10-52t 520% 377g $385
SRAM™ X01 Eagle 10-50t 500% 363g $385
SRAM™ GX Eagle 10-52t 520% 452g $215
11 SPEED
e*thirteen Helix R 9-46t 511% 325g $279
Rad Praise Emoji

Additionally, if your wheel has a SRAM™ XD Driver and you want to upgrade to Shimano™ 12s, you not only save money on the cassette, you don’t have to spend the extra on a new hub driver.

Did Someone Say Colors?

Even More Choice

Helix R Cassette Colors

Helix R cassettes are now available in colors.

Choose From

Intergalactic, Grey, Naranja, Bronze, and Eggplant.

Take Your Pick
Team Rider

Ace Hayden

Team Rider
Team Rider Cassette Image

Not only does the new Helix cassette come in great colors and look amazing on your bike, It brings precise shifting, ride quality, and longevity to another level. I have been incredibly impressed and also don't mind all the extra compliments!”