Description

COMBO PACKAGE

Gru-Bee 4G-1AB2 (2) Pulley Combo 5M T-Belt Transmission with peak-a-boo belt guard.  

20T driver pulley to100T driven pulley = 5 to 1 ratio. 

20T driver pulley to 80T driven pulley = 4 to 1 ratio.

Peek-A-Boo belt guard!   Place Centrifugal turn on LED Lights in pulley holes for that “Hee Haw” experience!   Not included.

Fits original HuaSheng and clone 49cc & 53cc engines with integral centrifugal clutch.   

Engine is not included, buy separately here-in.

The decision of which pulley model to purchase is over!

Now, we supply both a 100T driven pulley and in addition include an 80T pulley.    

The pulleys are interchangeable and do not require a different peek-a-boo plastic cover guard.  

Yes, (2) 5M belts are included: one for the 80T and one for the 100T pulley. 

Both pulleys come with a Freewheel installed.  Adjustment wrench included. 

Use the 80T pulley for flat land go-fast and 100T pulley for hilly country and / or heavy-set riders.  

Slide drive sprockets allow adjustment for chain alignment to bike wheel sprocket. 

Slide 10T drive chain sprocket is included.

9T chain sprocket is a really go-fast option and is not included so if wanted must buy separately here-in. 

  

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