10G Multi Speed Shift Kit only / No 1B Transmission

Grubee Inc


Sorry, this item is out of stock

10G Multi Speed kit only:   

4G-1B transmission is not included:

Shift your motorized bike like a motorcycle!  Can even shift while stationary if a Multi Speed Hub axle is used.

This add is for those folks who already have an older model 1B trans. and are willing to re-drill 4 mounting holes for a 10 degree down tilt.. Should be done in a machine shop for accuracy. 

If you need a 4G 1B transmission go to the next 10G add which includes a new 8 hole 1B transmission. 

10G  is designed to custom fit the and SkyHawk GT2A or GT2B bike frame.  Allows using bicycle's multi speed gearing to shift engine power curve.  ie:  3 or 5 speed e-bike hub axles work great.  

Do not use a standard bicycle which only allows a 2 pt bracket lock.  A 3 pt. lock is best. 

Mechanical aptitude and tools are needed,.  Engineering degree not required but helpful.

  • This is a 10G shift parts kit only: P/n 1BMS 23456&7 
  • Look closely at the pictures to see what you get.  
  • To order both a 1B Transmission and a Mult-Speed kit see our other 10G Multi Speed kit listing. 
  • This add is for those who already have a 1B 4G 8 hole transmission and also have a pedestal mount bike frame.
  • We do not include the following items in this add: 
  • No 4G 1B transmission,
  • No 4 cycle HuaSheng engine;
  • No SkyHawk GT2A or GT2B Bike Frame,  
  • No bicycle components.  
The Beautiful Blue Multi-Speed bike built by Dave Harber in TN is shown for illustration purpose only:  

    NOTE:  1B transmissions made in 2016 and after have the 4 extra engine mount holes pre-drilled to allow the transmission to tilt down approx. 10 degrees.  see pic. 

     This 10G Kit has been Up Graded: 

    Our current 10G Multi-Speed KIT now has a larger Double Universal Joint with needle bearings versus a smaller one of less durability as was found in initial early production.  

    This 2017 new DUJ is Definitely a remarkable heavy duty improvement and of course higher priced.   

    Shipped to USA lower via USPS Priority Mail.

    1. Shipment to Alaska or Hawaii will cost more.  Contact us before you buy.