(We did not write the comments which accompany each picture - Vinny)
Bicycle Type: Muscle Bike
1966-67 MATTEL V-RROOM! MOTOR (ORIGINALLY DESIGNED TO MOUNT ON/IN THE MATTEL BRONCO OR MATTEL STALLION BIKES) VARIABLE MOTOR SPEED SOUNDS ( FROM AN IDLE TO A FULL BLAST TOP-END ROAR)WERE AVAILABLE BY TURNING THE HANDLEBAR-MOUNTED THROTTLE/SELECTOR (AFTER YOU PUT IN THE KEY!) FROM: JEFF
