This model provides Higher Torque and Lower Speed for heavy riders and hill country.
Made exclusively for the Harbor Freight Predator 79CC slant cylinder 4 cycle Engine. Considered the best engine choices on the market due to being readily available locally and low cost.
Gru-Bee 5G is the only Belt Drive Transmission currently made for this engine that we know of.
WeDO NOT recommend this transmission to be applied as a retrofit to a Phatmoto moped.
8M Belt operation is quieter than a loud noisy #35 chain drive.
GRU-BEE 5G-72T TRANSMISSION INCLUDES THE FOLLOWING ITEMS AND FEATURES:
Centrifugal Clutch with a 18 tooth M8 Belt Drive Pulley.
5/8" shaft Centrifugal Clutch has a needle bearing instead of a bushing.
CNC 2 piece billet transmission plate with sliding hub.
72T Freewheel 8m belt driven pulley.
9T sliding drive sprocket with ring spacers.
8M T Belt.
Final drive ratio; 18T/72T > 9T/56T = 24 engine rpm to one wheel rpm.
-Steel belt guard cover.
THE ITEMS SHOWN IN RED ARE NOT INCLUDED.
56T bike wheel sprocket is not included. Order Separately. $22.00 extra
Chrome exhaust pipe is not included. Order Separately: $22.95 extra
Gt2A Red bike Frame is not included. Order Separately: Sorry out of stock.
Can use other suitable bike frames as a viable option.
Harbor Freight is your exclusive source for EPA certified Predator 79cc 4 cycle engines.
WE ONLY MADE 10 OF THESE 18T/72T/9T 8M T-Belt TRANSMISSIONS BY EXPENSIVE CNC MACHINING PROCESS OF 6061-6T ALUMINUM TO TEST THE MARKET. IF WE SELL OUT, ALL FUTURE 5G TRANSMISSIONS WILL BE MADE OF CAST ALUMINUM TO CUT COST.
