5G -54T- Belt Drive Transmission Only For Predator 79cc engine

Grubee Inc

$199.00 

BIG NEWS:   5G is here!     

WE ONLY MADE 25 OF THESE 18T/54T/9T - 8M T-Belt TRANSMISSIONS BY EXPENSIVE CNC MACHINING PROCESS OUT OF BILLET 6061-6T ALUMINIUM TO TEST THE MARKET.   

IF IN FACT WE SELL OUT DUE TO HIGH DEMAND, ALL FUTURE 5G TRANSMISSION PLATES WILL BE MADE OF CAST ALUMINUM TO CUT COST.

  • This is a Gru-Bee 5G- 8T/54T/9T 8M T-Belt Drive Transmission.   Made for Higher speed use on flat land and / or racing; 

  • 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 very 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. 

  • 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 =  18.6-1  which means one rear bike wheel turn to 18.6 engine rpms.

  • -Steel belt guard cover.  

  • THESE ITEMS SHOWN IN THIS ADD PICTURES ARE NOT INCLUGED WITH THE 5G TRANS. 

  • 79cc PREDATOR Engine mounting bracket is not included:      Order Separately:    $50.00 extra

  • 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:    Out of stock.

    FYI:    Harbor Freight is your exclusive source for EPA certified Predator 79cc 4 cycle engines.   

My WAG, ( wild ass guess ), is that our transmission may also fit LeFan’s 79cc vertical cylinder engine.  We have not had a chance to check it out yet.    We just got back from China when the airlines started flying again.    We were stuck in China for 9 months.