Description
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Gru-Bee 5G- 8T/72T/9T 8M T-Belt Drive Transmission and engine mounting bracket.
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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 at a low cost.
- Gru-Bee 5G is the only 8M T-Belt Drive Transmission currently made for this engine that we know of.
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We DO 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.
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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
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Gt2A Red bike Frame is not included. Order Separately: Sorry out of stock.
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Can use other suitable bike frames as a viable option.
Harbor Freight is your exclusive source for EPA certified Predator 79cc 4 cycle engines.
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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.
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