E-Thirteen Guidering Helix R Direct Mount SRAM 3mm Offset Boost SRAM 11 or 12 Speed Compatible Intergalactic

The durable e*thirteen Helix R chainring is CNC machined from high quality aluminum and available in different colors. The Narrow-Wide Design of the 4th generation prevents the chain from jumping off and reduces the noise while pedaling. Thanks to the 3-bolt design Direct Mount type, it is quickly and easily installed on compatible cranks with the same interface.

Technical details of the e*thirteen Helix R chainring

• material: aluminum (AL-7075-T6, CNC machined)
• SRAM 3-bolt interface
• Offset: 3 mm
• Direct Mount
• compatible with 11/12-speed
• compatible with 11/12 speed chains from SRAM and Shimano
• Narrow-Wide-Design