The e*thirteen Helix crank combines the 6066-T6 aluminum alloy arms with a smaller 24mm heat treated chromoly spindle to do so. Weight reduction features are designed into the mold to stay true to the strength and weight optimization with less CNC time and cost.

• Lighter weight for improved acceleration and climbing
• Strong enough to shuttle run bike parks
• Durable 6066-T6 aluminum alloy for years of trust and confidence
• Compatible with 68/73mm frame bottom brackets
• Can be combined with either Shimano or SRAM drivetrains
• Includes: Crankset, BB/lockring tool, lockring, APS adjuster, User Manual, and sticker