Full Speed Ahead V-Drive Modular 1x Crankset - 175mm 11/12-Speed 32t Direct Mount MegaExo Spindle Interface BLKFull Speed Ahead V Drive Modular 1x Crankset 175mm 11 12 Speed 32t Direct Mount MegaExo Spindle Interface Black. The Full Speed Ahead V Drive Modular 1x Crankset features plenty of stiffness for MTB riding and a convertible design that allows for different chainring and chainline configurations. Convertible spider design for different chainring and chainline configurations Thick thin Megatooth design for maximum chain engagement Bold shape with smooth