2 Speed Jackshaft swap from our street beach cruiser to our 105cc Predator Big Bore Race Bike
6:46
79cc Big Bore Motorized Race Bike 105cc's
9:21
Jack Shaft Design Process
14:21
Mini bike gets faster and quicker!
20:36
We Built a 4 Speed Shifter Mini Bike for CHEAP! (1970s Scat Cat)
5:50
Experimenting with jackshaft gearing for max take off power
36:04
Microbikology Jackshaft Sprocket Testing
6:37
SickBikeParts 17T jackshaft sprocket removal
28:07