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Stevens Carbon Disc Brake Cyclocross Bike

Prototype Stevens disc brake cyclocross bike with TRP Parabox hydraulic converter
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Prototype Stevens disc brake cyclocross bike with TRP Parabox hydraulic converter

This Stevens prototype disc brake equipped carbon fiber cyclocross bike was floating about the TRP booth to demonstrate their new Parabox cable-to-hydraulic disc brake converter.

The frame is very similar to their current Carbon Team cyclocross bikes, including a pretty close match to the paint scheme (though I like this one a bit better), and quite different from world champ Hanka Kupfernagel’s race bike they showed at Eurobike last year where reps said this would be a 2012 model at earliest.

From there, it gets radically different from current production models, from custom Easton wheels to hydraulic TRP brakes and some nasty white tires, this bike presents a mouthwatering taste of things to come. More after the break…

Prototype Stevens disc brake cyclocross bike with TRP Parabox hydraulic converter

If we had to put money on it, the fork looks very much like Ritchey’s carbon rigid disc fork, and the complete Ritchey cockpit build corroborates this notion. Billed as a mountain bike product, the fork has gained a lot of popularity among small builders looking for a ‘cross worthy piece to throw some discs on – we saw a lot of them at NAHBS. The wide clearance and use of Easton’s mountain bike hubs suggests 135mm rear spacing.

Prototype Stevens disc brake cyclocross bike with TRP Parabox hydraulic converter

We’re guessing Stevens’ line of thinking regarding the rear brake hose placement on the outside of the tube follows 3T’s logic with the Luteus fork in that anything between the frame and tire will only add to mud collection. Still, it’d be nice (except when you have to work on it) to see the hose run inside the frame or at least under the chainstay and come up on the inside just in front of the brake. It’s good to see the caliper placed inside the rear triangle, though.

Prototype Stevens disc brake cyclocross bike with custom built Easton EC90 SL wheels with MTB disc hubs Prototype Stevens disc brake cyclocross bike with custom built Easton EC90 SL wheels with MTB disc hubs

The wheels were custom built for this project with Easton EC90SL 38mm deep tubular carbon rims mated to mountain bike hubs from their new EC90 XC wheels.

Seriously, how bad do you want those tires? (Know what they are? Chime in with a comment!)

RELATED: Specialized Crux Disc spied!

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Brandon
Brandon
11 years ago

The tires are Challenge Griffo XS, right? The photos aren’t huge, but that’s sure what it looks like to me.

Something like this: http://tinypic.com/r/2uj7ehi/7

cale
11 years ago

Those are Challenge Grifo XS File Treads.

thelucas
thelucas
11 years ago

Challenge Grifo XS

Mark Adam
11 years ago

Those are Challenge tires.

Curtis
Curtis
11 years ago

Looks like the Challenge Grifo XS Tubular.

Johnny B
Johnny B
11 years ago

Challenge xs cyclocross tire I believe. my white rocket rons are cooler though

Sspiff
Sspiff
11 years ago

Both Dugast and Challenge make white file treads. They are called the pipistrello and Grifo XS respectively. The cornering knobs and black sidewalls make me think they’re Grifos.

jonny
jonny
11 years ago

Those are the new FMB mud tires that will be released soon.

Tim
Tim
11 years ago

The Parabox is not a stevens product – its a Tektro product

jacob
jacob
11 years ago

Those tires kinda look like Vittoria Cross EVO XN

Matt
Matt
11 years ago

Those are most definitely Challenge Grifo XS’s If you look closely at the first picture you can see the red and blue label on the tire which would be indicative of Challenge’s tire label

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