ethirteen Helix R 12-Speed Cassette

Features

• 9–50T design includes 9-, 11-, 13-, 15-, 17-, 20-, 23-, 27-, 31-, 36-, 42- and 50-tooth cogs
• 9-tooth cog lets you step down one chainring size while keeping the same top end gearing, providing not only better ground clearance, but also an overall lighter drivetrain
• Smallest 10 cogs are built from steel for added durability, while the 2 largest are built from aluminum to keep overall weight down
• Built for compatibility with both SRAM Eagle and Shimano drivetrains, despite the differences in cog spacing and chain behavior
• XD driver required

Imported.

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Technical Specs

Best Use

Material(s)

Speeds

Compatible Freehub

Weight

Mountain Biking

Aluminum and steel

12-speed

SRAM XD

345 grams