Roadsmith HDST
Simply the Best Harley Davidson Trike
Conversion Kit Available
Hit the road with the all new Roadsmith conversion kit by The Trike Shop and experience the trike-riding
difference. With a longer wheelbase, generous additional storage, independent suspension, disc
brakes, optional electric reverse, and Roadsmith steering kit, you may never want to return home!
Every Roadsmith trike conversion kit is built with the attention and craftsmanship needed to be a true
extension of the bike itself. Take a closer look and you will see what we mean.
The dual lateral trailing arm style independent suspension gives the rider a smooth ride and the added
benefit of very few moving parts. The trailing arms are attached through urethane bushings that attach the
arms to the frame and are designed for automotive use and in this application should last forever. This
eliminates the possibility of something wearing and changing the wheel’s alignment. We only use “off
the shelf” standard automotive parts throughout the conversion for easy serviceability if needed.
The Roadsmith has a longer wheelbase for several reasons.
A long wheel-based vehicle always rides better than a short. A short wheelbase trike puts the passenger
right above the rear wheels, making them more likely to feel every bump. By moving the rear wheels
back, the passenger now sits ahead of the wheels, thereby giving them a much better ride.
The longer and wider a trike’s stance, the more stable the trike will be at highway speed.
Short wheelbase trikes crowd the passenger’s feet with the rear fenders. By having a longer wheelbase
on the Roadsmith, our fenders are further back, providing the room the passenger requires.
The True-Track stabilizer bar, also known as an anti-sway bar, is a flexible link between the two trailing
arms. The bar uses “torsion effect” to always try to keep the trike righted or sitting square to the ground.
The beauty of the stabilizer bar is when one wheel hits a bump, the bar can flex quickly to absorb that
individual wheel’s movement, then return. Yet when the trike goes into a corner, the bar controls “lean-
out”. This is the same technology used in almost every car and truck today. Anyone that tells you
independent suspension trikes lean outward in a corner is right. But that’s no different than any other car,
SUV, or ATV. A little body roll (it’s just a little) is a good thing. Just think if you had “no lean”. That means
your trike is always square to the ground. In fact, if you go over a 2” bump with your right wheel, the entire
trike rocks up 2”. But with independent suspension, just the wheel that hits the bump goes up. The
antiquated “no lean” (solid axle system) is only made today because it’s cheaper and easier. Technology
has improved a lot in the short history of trike conversions. We were the first to offer Independent Rear
Suspension for trikes and still have the best.
Dual 11” disc brakes are standard on the Roadsmith. These automotive brakes have more stopping
power than you can believe. One of the great features of a trike is how easily they stop, no matter the road
conditions. We also use “off the shelf” parts in all of our brake system, but you’ll probably never wear a
set out.
A trailer hitch is standard equipment on the Roadsmith. You’ll find that hauling a trailer behind a trike is
nothing like it was as a bike. With the increased foot print, added weight, and massive brakes, you’ll truly
forget it’s back there. Our receiver style hitch is integrated directly into our frame. .
Our chassis uses multi-point attachments to the bike’s frame. This is very important because a trike
exerts forces on the frame that are different that when the bike was two-wheeler. We believe that frame
attachment is critical to a long-lasting, dependable trike conversion. Our kit bolts on at multiple points
thereby reducing the stress at any single given point. Our chassis design includes a large steel main-
frame tube that attaches down low, near where the swing arm attached to the frame. This main-frame
also attaches to the upper shock mounts of the bike. This gives the bike’s frame a lot of added strength.
The fact that the tube ties together the bike’s frame rails makes those rails much stronger as a whole.
The remainder of our chassis system is then attached to this solidly mounted tube.
We offer an innovative Electric Reverse System that uses and electric motor which engages directly into
the rear sprocket. But simply lifting the lever with your left hand to engage the motor, press your horn
button down and it backs you right out of that tight spot.
Our Roadsmith Steering kit for the FLH and FLST’s is another unique option for your trike. This set of
triple trees change the rake angle of your front end, thereby reducing the trail. What that means quite
simply, this cuts your steering force required in half. It’s like having wider handlebars in the since you
have more leverage to turn your trike now
We manufacture a heavy duty differential using standard Dana 30 spider gears contained in a housing
that rotates on a pair of sealed bearings. That whole assembly rotates with the sprocket mounted on
one end. The differential is filled with 80-90W gear lube that never needs servicing. A benefit of this
design is that the gears only move a when you turn the trike. The other end of our differential mounts our
innovative parking brake. Again using “off the shelf” components for the best serviceability.
Because of our longer wheelbase design, we provide a new Gates Polychain GT2 belt. This is the best
possible belt available for use on a motorcycle. They are extremely resistant to stretching or wearing.
We use durable CV joints. The axles are custom made for our conversion kits, but the constant velocity
(CV) joints are from a standard automotive application. We use automotive type parts for all of our drive
train because they are designed for a much heavier load, meaning these parts will probably last forever
in this light duty application. Again using off the shelf parts for your convenience
Our kits are designed for easy bolt-on installation. We pre-assemble so much of the suspension
system before it leaves the factory; installation time for the technician is minimal. Not that it should be a
race to see how fast someone can just throw it together either. We just feel ease of installation means
there are less possibilities of mistakes. With our kits there is no special aligning or measuring required.
Have Fun, Worry-Free! We offer the Best Warranty in the industry. Your trike comes with a full 3 year
1,000,000 mile warranty on the entire trike kit. With our experience producing this type of conversion kit,
we can offer this warranty because we just don't have problems.
HDST Conversion Kit Specifications
Wheelbase 70"
Overall length 105"
Overall width 56"
Storage 3 cu ft
Suspension Independent trailing arms
Tires, rear 215/55-16 Radial
Rims, rear Polished 16 x 7 aluminum
Final drive gear ratio Same as motorcycle
Brakes, rear Dual 11 " disc brakes
Shocks Adjustable coil over
Body material Polyester resin, stranded fiberglass
Paint finish PPG urethane
Options
Tour pack mount
Backrest mount
Reverse Low speed electric motor engaged to sprocket using horn button to operate
to sprocket
Premium rims Chromed 16 x 7 or 17 x 7
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