Lock knob with spring for Schwinn Airdyne AD4 Stationary Bike. Locks fan wheel in place for child safety and transport. Good used vintage condition.
SCHWINN AIRDYNE AD4 EXERCISE BICYCLE EXTRA WIDE SEAT SADDLE
SCHWINN AIRDYNE AD4 TRANSPORT WHEELS PARTS FOR STATIONARY EXERCISE BIKE
Schwinn Airdyne AD4 Stabilizer Legs Set of Two Front & Back Champagne Bronze
SCHWINN AIRDYNE AD4 CONSOLE MONITOR DISPLAY w/ SPEED SENSOR, BRACKET, HARDWARE
Vintage SCHWINN AIRDYNE Dual Action Exercise Air Cardio Bike w Monitor
**Vintage MCM GOLD SCHWINN AIRDYNE Dual Action EXCERCISE BIKE w/SPEEDO & MANUAL
