E*thirteen Helix R Guidering(3mm Offset)3-Bolt 28t Bronze

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