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Simon Griffiths

fdnreplies@hotmail.co.uk


Mar 13, 08 - 2:37 PM
Different models

Hello,

Please forgive my rather ignorant questions.

Could you please explain the difference between your Eclipse frame and your Effusion frame ?

I can see that the Effusion frame has double-butted tubing which I thought was to save weight, but the weight difference between the two frames is only 0.13 kg.

£400 seems quite a premium just to save 0.13 kg

Secondly, the following photograph seems to show the gear cables of a Eulogy running through a plastic groove.

http://www.bikeradar.com/gear/category/bikes/road/product/eulogy-08-29270?img=3

Is this system used on all Enigma bikes and is this plastic part likely to wear out very quickly with the constant rubbing of the gear cable ?
Mark Reilly

www.enigmabikes.com


Mar 14th, 2008 - 2:28 AM
Re: Different models

Hi Simon


The effusion is designed with racing in mind and the design emphasis is geared towards greater stiffness and taking out weight, although very easy, sacrifices power transfer. So, in short we could make it much lighter than it is but it wouldn’t be as responsive, the Eclipse still rides brilliantly and quite probably better than other brands at twice the price, but the Effusion has the edge on stiffness.

The plastic cable guides we use don’t wear at all and will last many years, almost every modern bike will use something similar.


Best regards



Mark
Simon Griffiths



Mar 16th, 2008 - 12:33 PM
Re: Different models

I know that this question has been asked before, but I'd really appreciate it if someone could please explain (in simple terms) what the difference is between the Eclipse and Echo frames.

I can see that the Echo has curved seat stays and is 0.1kg lighter.

The Eclipse is described as having:-

Plain gauge EST oversized tube-set

The Echo is described as having:-

Plain gauge EST oversized tube-set
Double butted EST oversized tube-set

Presumably then the Echo has both plain and double-butted tubing (which tubes have which ?).

Would the average rider be able to detect any tangible difference between the two frames and is the quality of the two frames the same ?
Jim



Mar 16th, 2008 - 1:19 PM
Re: Different models

Hello Simon,

The Echo 08 is double-butted and not plain gauge as per the website. Sorry for the error.

Both ride very well indeed and feature the oversize EST tubing. The Eclipse is a stunner for the money and its specification and performance are amazing for the price level. We tried to get the price as low as we could to compete with the cheaper Chinese built frames that are around in abundance. However nothing has been sacrificed in terms of materials, build quality, finish and performance. It's a true Enigma!

As I mentioned above the Echo is built with double-butted tubing with a weight saving of around 60 grams. It also features our radius seat stays. Like the Eclipse the Echo is a top performer with astonishing power transfer and handling but still with the sublime titanium smoothness.

Jim
Simon Griffiths



Mar 18th, 2008 - 12:44 PM
Re: Different models

Hi Jim,

Many thanks for explaining that and I see that the website has now been corrected.

It would be nice of the "Eclipse" page had some photographs in the same way that the "Echo" page does.

Would a frame constructed from double-butted tubing (e.g. the Echo) be any weaker and / or less stiff than one constructed from plain gauge tubing (e.g. the Eclipse) ?

I always remember that someone once posted onto the Bike Radar forum a picture of their Litespeed titanium bike which had a huge tear running down one of the tubes (see the following link).

http://www.bikeradar.com/forums/viewtopic.php?t=12538098&highlight=cardboard

I'm convinced that the Enigma frames are much better constructed, but surely the "butting process" must weaken the strength of the tubes. I weight 14 stones by the way.
Simon Griffiths



Mar 18th, 2008 - 12:46 PM
Re: Different models

Sorry that should have been

It would be nice of the "Echo" page had some photographs in the same way that the "Eclipse" page does.
Jim



Mar 18th, 2008 - 1:21 PM
Re: Different models

Simon,

We are adding to the website all the time and we will incude some detailed shots of all models in the near future.

The butting process ensures that tubes have additional thickness in the areas where extra strength is required. Butted tubes are thinner in the less stressed areas to reduce the overall weight of the tube. As a result there is no sacrifice in either strength or stiffness compared to the straight gauge tubes. Our tube profiles even on our entry level frames ensure fantastic lateral stiffness more akin to carbon monocoque frames although still with amazing comfort and smoothness.

Yes I remember the pictures of the famous Litespeed integrated head tubes. You need have no fears with the integrated head tube on our frames which is CNC machined from solid 6/4 titanium billet and is immensely strong.

Jim
David Parry



Mar 21st, 2008 - 2:55 AM
Re: Different models

Hello Jim / Mark,

Could you please give me the maximum tyre widths that the Eclipse and Echo frames can accommodate ?

Are they the same for each model ?

Presumably, the Echo could be customised (at no extra charge) to accommodate wider tyre widths, but this wouldn't be available to customers purchasing the Echo.
David Parry



Mar 21st, 2008 - 3:39 AM
Re: Different models

There's no "edit" facility, but that last line should have been

Presumably, the Echo could be customised (at no extra charge) to accommodate wider tyre widths, but this wouldn't be available to customers purchasing the Eclipse.

Too many "E"s
Mark Reilly

www.enigmabikes.com


Mar 21st, 2008 - 5:27 AM
Re: Different models

Hi David


Both will take 25c and you are right the Echo can be custom made to take any width. Bost frames perform at their best with 23c.


Best regards



Mark


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