e*thirteen Helix R Cassette - 11-Speed 9-46t Nickel/Gray. The HELIX R Cassette is an upgrade to any SRAM™ Eagle™ or Shimano™ drivetrain with more range than other cassettes 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.1 aluminum cogs 10 steel cogs
Designed for use with XD™ and XDR™ drivers only
- TECH SPECS
| Cassette Body Type | SRAM XD 11/12 Speed |
| Cassette Cogs | 9-11-13-15-17-20-24-28-33-39-46 |
| Color | Nickel/Gray |
| Defined Color | Silver |
| Drivetrain Speeds | 11 |
| Range | 9-46 |