5G -72T- Belt Drive Transmission & engine bracket For Predator 79cc engine

Grubee Inc

$239.00 


  • Gru-Bee 5G- 8T/72T/9T 8M T-Belt Drive Transmission and engine mounting bracket.  

  • This model provides Higher Torque and Lower Speed for heavy riders and hill country.

  • Made exclusively for the Harbor Freight 79CC slant cylinder 4 cycle Engine.   Considered the best engine choices on the market due to being  readily available locally and low cost. 
  • GruBee 5G is the only Belt Drive Transmission currently made for this engine that we know of.
  • 8M Belt operation is quieter than a loud noisy #35 chain drive. 
  •  GRU-BEE 5G 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. 
  • 54T Freewheel 8m belt driven pulley.  
  • 9T sliding drive sprocket with ring spacers.
  • 8M T Belt.  
  • Final drive ratio;   18T/54T > 9T/56T =  18.6 to one engine 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.