Light enough for weight-conscious trail bikes yet tough enough to hold up to high-powered e-bikes, the ethirteen Helix Race 12-speed 9–52T cassette is made for grinding climbs and chasing top speeds.
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- Cross-compatible with Shimano, SRAM and TRP 12-speed drivetrains and chains (not included)
- Delivers an industry-leading 578% gear range and precision shifting performance
- 2-piece forged and machined design provides easy assembly and service, and reduced waste
- 43–52T aluminum cluster backward compatible with 9–50T Helix Plus or Race cassettes
- Unique 9T high gear allows use of smaller chainrings for clearance and weight savings
- 10 steel cogs and two 7075 aluminum cogs
- Tested extensively for MTB and electric-bike use
- Manufacturer offers a 5 year warranty
Imported.
View all ethirteen Bike Cassettes| Best Use | Cycling |
|---|---|
| Material(s) | Steel/7075 aluminum |
| Speeds | 12-speed |
| Compatible Freehub | SRAM XD |
| Weight | 392 grams |