e*thirteen Helix R Guidering - 28t 11/12-Speed 3mm Offset SRAM

Helix R SRAM Direct Mount Chainrings offer a true upgrade solution for SRAM 3-Bolt MTB crank users (including DUB), to achieve cross compatibility with both SRAM™ and Shimano™ 11 and 12-speed drivetrains.

• Forged from 7075- T7 aluminum, then extensively CNC optimized for industry leading weights, and a unique high-end full CNC aesthetic
• -3mm offset (Boost chainline)
• Compatible with SRAM 3-Bolt Direct Mount cranks and 11 and 12 speed SRAM and Shimano chains
• Tough enough for any MTB discipline