ACS Maindrive Freewheel 4 Prong

ACS Main Drive Freewheel
ACS Main Drive freewheel, chrome 1/8″ in a variety of different sizes.
FW1242

English threads, 1.37″ x 24tpi

Freewheel Teeth: 16 teethFreewheel Thread: EnglishCassette Body Type: Threaded StandardChain Compatibility: 1/2″ x 1/8″ ChainsIntended Use: BMXColor: ChromeWght/Dims: .4 lbs. 2.75 x 2.75 x .75
ACS Main Drive Freewheels thread on to your BMX threaded hub by hand.