5G -72T - Belt Drive Transmission kit & HD Axle Wheel for Predator 79cc

Grubee Inc


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5G-72T 8M T-Belt Transmission, Mounting Bracket & HD axle wheel combo.

This is a 79cc Predator Pro-Shop Transmission kit that includes everything to do a top notch professional job except the Harbor Freight Predator 79cc engine that is not included.    

We DO NOT recommend this transmission to be applied as a retrofit to a GasBike Phatmoto moped.

To see complete component details check out all the salient features in the 5G transmission adds and the HD Axle wheel details in the Bike Frame section. 

INCLUDED:   This add includes the 5G-72T / 9T/10T transmission and total installation kit.  The Driven Pulley has 72T belt groves around the circumference.   Heavy duty T-Belt is a 8M size.    $210 value.

INCLUDED:   This add includes a Slide Adjust Mounting bracket for 79cc Predator engine.  Cast iron end pieces slide adjust to fit.  $50 value

INCLUDED:   This add includes the HD Axle wheel for your  choice of 135mm dropout for single speed or 150mm for multi speed.   Includes solid 6 Hole Hub for sprocket attach.  Denote your wheel choice with a note to seller at check out.  Denote 135mm or 150mm.   $129.00 value      

INCLUDED:   5 hole 56T sprocket. 


         1.  Right side single speed 1.375-24 screw on freewheel pedal sprocket or multi-speed Freewheel cluster 
        2. Disc Brake Caliper and Rotor 

        3. Sprocket attach M6 bolts.

    Email if you have questions not answered in our web site.   

    Basic Transmission Installation instructions are found on the info. side of www.grubeeinc.com