Cold Forged Aluminum options that are compatible with Specialized ISIS. See spec below for full compatibility and options.
ISIS spline set optimized for Specialized
Left and Right arm set, cold forged aluminium
8mm AL main crank bolt for install/self- extract, 50Nm torque
Weight - 485g
Visually check your Specialized motor spindle type. The standard Levo/Kenevo/Como/Vado have an ISIS spindle. The "SL" Levo/Kenevo/Creo or Vado SL family use the M30/SL eCrank armsets.