semcycle vs DM Engineering

semcycle vs DM Engineering

Post by Laszlo Vecse » Sun, 18 Jul 1999 04:00:00


I'm new to unicycles. Is the DM Engineering bike worth the extra cost in
terms of being light weight and stronger to justify its purchase over the
semcycle? If I get any good at this I do plan on taking it offroad as a
muni, as I'm an avid mountain biker I have courses all laid out in my area
already.

Can it be purchased anywhere else besides the unicycle source? And finally
does anyone recommend rolling my own, i.e. purchasing the frame and wheel
etc separately. I found a carbon fiber frame from the muni faq, but its
cost alone approaches (or actually exceeds) that of the DM Engineering
bike.

--
-Laz.

 
 
 

semcycle vs DM Engineering

Post by Roger Davi » Sun, 18 Jul 1999 04:00:00

Quote:

> I'm new to unicycles. Is the DM Engineering bike worth the extra cost in
> terms of being light weight and stronger to justify its purchase over the
> semcycle?

The DM's are generally not light (unless you look at the new off road one that
has the new hub).  It is incredibly rigid which gives better response to
control movements.  It is machine that will out last any other.  Remember this
is not a bike and lightness is not everything, rigidity also affects
controllability.

Quote:
> If I get any good at this I do plan on taking it offroad as a
> muni, as I'm an avid mountain biker I have courses all laid out in my area
> already.

Simple, the Sem is a beautiful unicycle, but it is not as durable as the DM by
half and anyway cannot be used for muni effectively as there is not enough
clearance in the frame to fit a sensible tyre.

Here is my comparison by components.
DM very rigid/bombproof being made from CrMo, Sem not
DM has machined bearing holders (essential for bearing life, with abuse), Sem
used std. pressed steel ones.
DM has flat topped frame for foot control, Sem hasn't.
Sem's have a narrow crown (good for not catching knees, but not good for foot
control)
DM has bombproof hub, Sem does not - expect a new hub every year at least if
you do any serious riding.
DM has a 40 spoke wheel, Sem has a 36.
DM had BMX style hollow cranks (Superb), Sem has standard uni ones.

Basically these 2 unicycles should not be compared together, they are made for
different jobs. If you want to do Muni, get a Muni.

Quote:
> Can it be purchased anywhere else besides the unicycle source? And finally
> does anyone recommend rolling my own, i.e. purchasing the frame and wheel
> etc separately. I found a carbon fiber frame from the muni faq, but its
> cost alone approaches (or actually exceeds) that of the DM Engineering
> bike.

I only sell the frame.  If you build it with the same hub as Dave's DM you
will look at over $1200.
I don't know if you consider it a good recommendation since I build the CF uni
but I believe that the new DM muni is a really good machine and is definitely
value for money.  It will last and perform.

Cheers

Roger

********************************************
     Minnesota Ride for the MS Charity
        450 miles, 14-22 August 1999
     http://www.skypoint.com/~cotter/
          Unicycling for a Cause
********************************************

 
 
 

semcycle vs DM Engineering

Post by Richard Loxl » Tue, 20 Jul 1999 04:00:00

Quote:

> DM has flat topped frame for foot control, Sem hasn't.
> DM has a 40 spoke wheel, Sem has a 36.
> DM had BMX style hollow cranks (Superb), Sem has standard uni ones.

Which DM are you comparing, Roger?  My DM Ringmaster has the rounded frame,
36 spoke wheel and standard cranks.  I'm never quite sure what's what
with DM (he doesn't seem to publicise his range terrible well).

The Sem is a gorgeous machine to ride indoors, but I've never been
convinced about its robustness.  The DM seems almost indestructible
(I go through an axle every 2 years, which I don't consider bad considering
the abuse I give it).

        - Richard

 
 
 

semcycle vs DM Engineering

Post by Roger Davi » Tue, 20 Jul 1999 04:00:00

Quote:


> > DM has flat topped frame for foot control, Sem hasn't.
> > DM has a 40 spoke wheel, Sem has a 36.
> > DM had BMX style hollow cranks (Superb), Sem has standard uni ones.

> Which DM are you comparing, Roger?

I was comparing the new DMatu which was first seen at the BMW.
It's cost is 395.00
I called Dave today and I think this is all of DM's range although I
know he will make specials.
16"/20 Ringmaster powder coated with rounded crown 112.50 (this is like
yours I think).
24" Ringmaster powder coated with rounded crown 117.50
28" Ringmaster 128.00
20" Unihock (specially made for hockey with DM's own hub, no bumpers
etc.) 129.00
20" chrome ringmaster 125.00
20" Advanced Ringmaster (as used by Julian Money) using aircraft tubing
and dave's hub 199.00 (he did mention that this was a special price.

Quote:
> My DM Ringmaster has the rounded frame,
> 36 spoke wheel and standard cranks.  I'm never quite sure what's what
> with DM (he doesn't seem to publicise his range terrible well).

I know what you mean about prices, I really must try and get a proper
price list from him some time. I think he prefers building the unicycles
to selling them!

Quote:
> The Sem is a gorgeous machine to ride indoors, but I've never been
> convinced about its robustness.  The DM seems almost indestructible
> (I go through an axle every 2 years, which I don't consider bad considering
> the abuse I give it).

I agree with you about the Sem it is a gorgeous machine, but it is not a
Muni.

Now I have give DM's prices etc. can anyone tell me what and how much
Sems are in the UK?

Cheers

Roger

********************************************
     Minnesota Ride for the MS Charity
        450 miles, 14-22 August 1999
     http://www.skypoint.com/~cotter/
          Unicycling for a Cause
********************************************

 
 
 

semcycle vs DM Engineering

Post by Arnold the Aardvar » Wed, 21 Jul 1999 04:00:00

Quote:

>20" Advanced Ringmaster (as used by Julian Money) using aircraft tubing
>and dave's hub 199.00 (he did mention that this was a special price.

My first unicycle is the 24" version of this - still waiting for delivery -
expecting
great things from it (primarily that it be pretty much indestructible). It
was very
highly recommended ("That's a real quality piece of kit you're ordering
there, mate."). I wanted to buy something that will still be in one piece
after I have thrown it all over the local carparks while learning to ride
properly.

Quote:
>Now I have give DM's prices etc. can anyone tell me what and how much
>Sems are in the UK?

I initially considered a Sem but got the impression that they would be
harder
to obtain and more expensive. Your comments on ruggedness make me
happy that I made the right choice. I did not seriously consider any other
brands.

Just my novice two pence.

Arnold the Aardvark