Out of 1,000's of automatic transmission companies worldwide,
we are the first to offer a free app in English and Spanish.
Download our Sprag Rotation / Free Wheel App Today!
Instantly identify proper freewheel direction.
A must-have app for any automatic transmission technician. The ATSG Freewheel App instantly allows
you to verify the proper freewheel and holding direction of virtually every freewheel device found in
North America today. The clear illustrations as well as the written instructions eliminate the possibilities of
incorrect installation, which would result in a second removal and disassembly of the transmission.

Click here to use APP online