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FRICTION DRIVE BICYCLE ENGINE KITS

These kits use a Drive Roller against the front or rear bicycle tire. This is the lowest cost and easiest to install.
Subrau Robin LOGO
 
FOUR STROKE ENGINES
Most of these parts are preassembled for you.  The only parts you attach are the U bracket to the bike frame and the drive housing/engine assembly to the U bracket, and then attach the engaging rod to the frame, throttle cable and remote stop switch.
 
You can Motorize any bike; we carry Parts for Friction Drive kits. and other size Friction Drive Engine Kits. As well as Engine Kits for Adult Trikes. We also carry Chain Drive Kits for Bicycles Be sure and check out the Chain Drive Kits if you need more power.
 
Please be sure and click on the Friction Drive Example Pictures page to your left to see examples of our kits installed on various bikes and read some more information.
 
robin33.5ccFriction
tandem bycycles
Mitsubishi 22.6cc mounted front trike
 
BICYCLE MOTOR FRICTION DRIVE KIT Subaru Robin 33.5 cc 1.60 hp FOUR STROKE engine Complete kit On Sale
robin33.5ccFriction complete kit
CycleHappy.com

Subaru Rob...

 
 
$479.00
Sale Price: $399.00
 
(More Info)
 
Quantity:
add Dual Engaging Supports:
Drive Roller Diameter:
 
CycleHappy.com
BICYCLE MOTOR FRICTION DRIVE KIT Subaru Robin 33.5 cc 1.60 hp FOUR STROKE engine, Front Mount for Trikes, Complete kit
FDF-335 Robin-Subaru 33.5 cc 1.60 hp Four Cycle. FRONT mount trike kit. Your choice of a 7/8 inch or 1 inch drive roller, be sure and check which one you want. Most customers will need the 7/8
CycleHappy.com

Robin-Suba...

 
 
$429.00
 
(More Info)
 
Quantity:
Drive Roller Diameter:
 
FRICTION DRIVE KIT - Robin 33.5cc 4-Stroke COMPLETE KIT
robin33.5ccFrictionCloseup of roller
 

This is a complete kit including the engine listed above, plus the following parts that are needed to install on most bicycles:

1

Complete Engine Assembly (clutch drum, clutch rotor, engine spacer, bearings, housing) The housing is ¼ inch thick Aluminum Extrusion Channel (not a bent thin piece of steel) the channel is CNC machined and anodized black.

The engine has a centrifugal clutch and are all easy pull start.

2

Drive Roller we use two ball bearings to support the CNC machined case hardened, zinc plated metal drive roller. Use the drop down menu when ordering.

The smaller the drive roller the more pulling power you have, the larger the drive roller the faster top speed. We manufacture our drive rollers in 5 different sizes: .875 inch, 1.0 inch, 1.125 inch, 1.25 inch, and 1.5 inch.  This offers our customers the ability to fit our kits to accommodate every engine and virtually every rider regardless of size or riding conditions.

3

The U shaped mounting bracket

4

Engaging Rod, to raise and lower the drive roller, complete with all parts and hardware

Note: you can add an additional engaging rod, Some customers like one for each side.

5

A 60 inch long Throttle Cable and finger / thumb lever for the throttle control. (Twist grip is extra)

You can Add a longer throttle cable or a Twist Grip throttle. Use the drop down menu when ordering.

6

Remote toggle engine stop switch with handlebar mount for safety.

Our drive rollers are CNC machined, heat treated & zinc plated.

7

Nuts and Bolts Plus many other small parts needed for mounting.

 
Engine Manufactures Pages