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Gravity riders value aluminum's impact resistance and dependability, but until now, aluminum cranks came with a stiff weight penalty. At e*thirteen we love the look and durability of aluminum, so we put our engineers to work designing a new aluminum crank that leverages the modular spindle design of our carbon cranks and adds sweet machined arms to the equation.
Our new Helix Race Alloy crank is a top-of-the-line aluminum crank that brings Enduro strength at a Down Country weight: just 556g for 165mm.
Extensively weight-optimized, almost every visible crank surface is CNC machined from a burly forged blank. It's available in black or bronze, and compatible with Boost or Super Boost chainlines by using our e*thirteen Helix Race Direct Mount Flip-Flop Chainrings.
Engineered to deliver Down-County weight with Enduro strength
Forged, CNC Machined AL-6066-T6 arms and 30MM AL 7050-T7 spindle
Compatible with Helix Direct Mount Chainrings for Boost/Superboost Chainline
Self Extracting Bolt System
Proven creak-free Quick Connect ring interface
Molded crank strike boots and thick, clear polymer protective decals
Available in 3 sizes: 165mm, 170mm, 175mm
Offered in two machined and anodized finishes - Bronze or Black
Tax included.
Shipping PolicyFree Shipping at $400.00 (wheels excluded)
Product Spec
Chainline
Compatible with Helix Chainrings to achieve a 52mm Boost, or 55mm Super Boost Chainline using an innovative flip-flop design. Not compatible with UL or SL Chainrings.
no, thank you