DMCX Rodeo (650B Ti Trail MTB)

Aya’s 650B Trail Ti MTB

For this trail MTB the objective was to create a simple bike that roll up and down the single tracks and gravel roads of Japan Alps.

Sketch of 650B wheel sized MTB
Rodeo Ti Trail MTB

As the bike is aimed at rolling on smooth trails it was designed with a rigid fork, the addition of low pressure wide section tires ensure a bit of comfort and extra grip on rugged surface. Read more

DMCX Spartacus: All Roads in Comfort

26 inches ain’t dead!

Today I will introduce you to my favorite bike: The Spartacus

It is a 26 inches “All Roads” Full titanium bike I envisioned first while riding Japan Alpine roads around Takayama (高山市), Gifu Prefecture when living in that area more than 10 years ago.

I wanted to build a totally versatile bike that is equally at ease on roads and off roads, able to be climb up Alpine roads and enjoying the snaking, hair pin cornering exhilarating down hill roads in total comfort.

Demonchaux Titanium bicycle sketch
26 inches Spartacus

I started the concept of designing 26″ wheeled road bikes in 2009 by building a first Beta version. Back then Disc brakes where not yet in full bloom for drop bar bikes so the 1st version was equipped with V-Brakes.

Now a decade passed since my first 26″ All Road bike iteration and along with some frame geometry fine tuning and the emergence of various standard helping me to create the perfect all mighty 26″ road bike. Read more

Robert’s Ti Bike, from dream to reality

Few months ago Robert took the wise decision to hire my services to design his new bike.

Robert is a local rider member of the DMCX Cafe Racer crew and we have been cycling together for a couple of years so I already knew his riding style.

Robert_Road_titanium_bike_design
Robert’s Dream Bike at Dream stage

Knowing the person riding style is helpful in the process of designing a frame that will correspond to the futur owner’s expectation and style.

The style refer to the looking of the frame and by extension the complete bike, but also the bike riding feels.

Robert wanted a “Do it all” bike that is equally comfortable for daily commuting in all weather condition but also performant in long sportive week end rides.

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