The 5DEV Titanium eBike specifiic cranks is an evolution of the original, now exceeding the ISO Race standard. Hand-machined from solid Ti-6Al-4V bar stock on 5-axis CNC machines in San Diego, these cranks marry aerospace-grade metallurgy with e-bike duty-cycle strength for riders who demand durability, low weight, and absolute confidence on charged terrain. ISIS splined interface is designed for use with Bosch, TQ, and new 2025 Specialized LEVO motors Low-profile crank arms are designed to reduce pedal strikes on technical, punchy climbs so you clear more sections and get back up for another lap with less effort Engineered to handle higher torque and repeated load cycles from e-drive systems, the 5DEV E-Bike Cranks keep power transfer direct and predictable whether you re blasting climbs or railing fast descents Provides advanced vibration absorption to dampen buzz and reduce leg fatigue on long rides Exceeds ISO Race standard for race-level durability under e-bike stresses E-bike tuned strength from the Ti-6Al-4V construction to resist fatigue from higher torque loads Item Specifications BB Included No Chainrings Included No Color Raw Titanium Crank Intended Use Mountain Crank Length (mm) 157.5 Defined Color Silver Designed for ebike Yes Pedal Spindle 9/16" Spindle Diameter Not Included Spindle Interface Type ISIS 5DEV Titanium eBike Crankset eBike Crankset UPC: 850058721828