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ethirteen Helix Race 12-Speed 9-45T Cassette
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$31995
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ethirteen | SKU: FW2HRA-101 | Option:
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ethirteen Helix Race 12-Speed 9-45T Cassette Info
The e*thirteen Helix Race is a lightweight, wide-range 12-speed cassette built for gravel and XC racing. Its 9–45T spread delivers 500% gear range—13% more than comparable options—giving you a lower climbing gear without sacrificing top-end speed. At just 330g, it keeps rotating mass minimal while opening up flexibility in chainring selection and mixed-surface riding.
Key Features
- 12-speed, 9–45T ratio with 500% total range
- Two-piece construction with replaceable aluminum cogs for easier maintenance
- Compatible with SRAM, Shimano, and TRP 12-speed shifters and derailleurs
- Works with SRAM Flat-Top chains and XPLR derailleurs
- XD driver body only
- Weight: approximately 330g
The Helix Race shifts crisply across the full range and integrates seamlessly into modern gravel drivetrains. The replaceable cog design means lower long-term maintenance costs, and the lightweight construction keeps your bike responsive on climbs and accelerations.
