Helix Race 12-Speed 13-52T Cassette

FW2HRA-110

MORE POWER. OPTIMAL CADENCE.

At e*thirteen, we're always striving to bring something new to the table. That's why we created the Helix cassette line – to offer unparalleled cross-compatibility without sacrificing performance.

As e-bikes have become more popular, we set out to engineer a close-ratio cassette specifically for them. Enter the Helix Race 13-52T - a new 12-speed close-ratio cassette specifically engineered for steep terrain where climbing speeds are high and descents are gravity-powered. 

The 13T, combined with a 32T chainring, at 85rpm cadence, will deliver speeds at or just above 32kmph/20mph, just beyond the speed-limited assistance of most e-bikes. The 52T lowest gear and closer steps help riders clean the most technical climbs with newfound ease.

While the Helix R 13-52T was conceived for e-bikes, it also improves the ride experience for non-e-bike riders, allowing all riders to optimize cadence on steep climbs and let gravity do the work on descents.

Like all e*thirteen Helix cassettes, the Helix Race 13-52t delivers seamless cross-compatibility with SRAM, Shimano, and TRP 12s drivetrains and improved shifting precision and wear life. 

Experience the advantages of a close-ratio cassette on your next ride with the Helix Race 13-52T. 

  • Helix Race 13-15-17-19-22-25-28-32-36-40-45-52 vs Eagle™  10-12-14-16-18-21-24-28-32-38-44-52

  • Aluminum and Steel clusters can be replaced separately to reduce service cost

  • Patented two-piece aluminum/steel construction for strength, stiffness, lightweight, and durability

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Starting at
Regular price
$345.95
Sale price
$345.95

Product Spec

Freehub Mount
XD™ and XDR™ Drivers Only
Material
2 aluminum cogs, 10 steel cogs. PVD finishing on Intergalactic model improves durability and wear life.
Range
400%
Size
13-52T: 13, 15, 17, 19, 22, 25, 28, 32, 36, 40, 45, 52
Speeds
12 Speed
Weight
467g

Tech Info

Guaranteed to be free from
defects in materials or workmanship
for 5 years after original purchase