E-Thirteen Helix R Crank Arms - 68-73mm and BB86-92 - 30mm - E-Thirteen Direct Mount - 170mm - Black YGroup_8045438533677 5 to 22Nm ±4%

5 to 22Nm ±4%

with fuss-free damping and enough adjustability to most riders at an amazing price

(Kit is for single pedal

TouchDown RC2T damper features sensitivity and suppleness off the top while remaining stable and supportive throughout its travel

Lace closure and instep strap deliver secure

E-Thirteen Helix R Crank Arms - 68-73mm and BB86-92 - 30mm - E-Thirteen Direct Mount - 170mm - Black YGroup_8045438533677 5 to 22Nm ±4%e*thirteen has lots of love for aluminium. Knowing weight, strength and looks were top priorities for riders, they went after all three with a vengeance. The Helix R is their top of the line aluminium alloy crank. Forged AL 6066 T6 arms deliver Enduro strength in XC weights and it took a 30mm Forged AL 7050 T7 spindle and massive amounts of CNC work to get there. CNC detail can be seen all over every surface for the ultimate in tech bling and weight