turbo 78 loginThe Turbo-78 disc brake rim features a waved profile to reduce aero drag and boost lateral stiffness. The 78mm depth is desned for road racers, time trial riders, and triathletes.This is our G2.5 series turbocharger. 78102 Compressor. 8275 turbine 10 blade turbine technology. Latest Gen Aero point milled wheel. Options: T4 1.25 Divided or Dual V-Band