The Afterburner Triple MegaExo feature ultra lightweight AL6061-T6 Hollow forged crank arms mated to a chromoly steel spindle. It comes complete with a steel MegaExo bottom bracket and 100-percent CNC AL7075/T6 chainrings.
Cranks:
Patented hollow-forged AL6061/T6 crankarms
AL7075 100% CNC chainrings
AL7075 Torx T-30 alloy chainring bolts
Arm Length - 170mm or 175mm
Q-Factor: 175mm
BCD: 104/64mm
Chainline: 50mm
Finish: Grey anodized and Laser graphics
Crank Weight: 772g
MegaExo BB:
MegaExo oversize cartridge bearings
MegaExo alloy bearing cups
Ø24mm chromoly spindle
BB cups - BC-1.37 x 68mm or 73mm
BB Weight: 101 g