In 1966, if your Schwinn Typhoon came with a 2 speed coaster brake, we called it a gravel bike as it was easy to ride in gravel vs the single speed. The Gruppo Ghiaia DeLuxe added an extra $8
- L15 26" Deluxe Typhoon, coaster brake.......$44.95
- L15 26" DEluxe Typhoon, 2or 3-speed........$52.95