The 5Dev Titanium MTB Cranks are machined from Ti-6Al-4V solid bar stock on a 5-axis CNC, producing one continuous piece of aerospace-grade titanium with no welds or joins in the structure. What Our Gearhead(R) Experts Are Saying:"On a long enduro stage with repeated rock strikes and high-torque pedaling sections, there is no flex or creep at the interface to account for."