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Let's see your gravel grinder/CX conversions!

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Cyclocross and Gravelbiking (Recreational) This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like : "Unbound Gravel". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

Let's see your gravel grinder/CX conversions!

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Old 10-03-14, 11:02 PM
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Let's see your gravel grinder/CX conversions!

I'm getting ready to build a gravel grinder/cross bike from an old hybrid or road bike. I need some serious inspiration.
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Old 10-03-14, 11:18 PM
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Bridgestone XO series bikes make great gravel bikes:

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Old 10-04-14, 07:31 AM
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What size wheel and tire?
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Old 10-04-14, 07:47 AM
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Originally Posted by Drummerboy1975
What size wheel and tire?
26 x 1.5. The cool thing about the XO series is that many took a 26 inch wheel and you can run a fairly fat tire on them. A bianchi project bike would be another good platform as those took really fat 700c tires (up to a 40c tire I believe). You can convert a lot of different bikes to a gravel bike but ideally I think you'd want the capability of running something as fat as a 700 x 40c tire or a 26 x 1.5 tire.

Another (and much more readily available) alternative for a gravel mutt is the old standby, a vintage mountain bike. They're cheap and readily available and obviously can take a fat tire. I used trekking bars but you can also add drops to them. The trekking bars are an easier conversion and offer a lot of hand positions. This is my other vintage gravel bike:

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Old 10-05-14, 12:06 AM
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This is my Specialized Sirrus Sport, started as a hybrid I put drop bars and shifters on. Currently running 35mm Continental tires.


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Old 10-05-14, 11:59 AM
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I really like that!
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Old 10-05-14, 12:23 PM
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The older 27" road bikes make great gravel grinders. Often room for something in the 700x40 range and nice geometry. Or. 27x1.25" tires are great on gravel also. I'll have to pull up some pics of my Schwinn.
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Old 10-05-14, 12:30 PM
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Originally Posted by Triaxtremec
This is my Specialized Sirrus Sport, started as a hybrid I put drop bars and shifters on. Currently running 35mm Continental tires.


Very Sweet! Damn now I want a Sirrus
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Old 10-05-14, 12:32 PM
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Like this old Lotus?

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Old 10-05-14, 12:34 PM
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That Lotus is nice. You would want to move the shifters to the bar. The fork obviously can take at least a 27"x1" tire.
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Old 10-05-14, 09:40 PM
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Thanks for the compliments, I really love the bike. Just an all around go anywhere bike for me now. Hoping to do my first CX race on it shortly.
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Old 10-05-14, 11:26 PM
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https://www.bikeforums.net/recreation...ld-hybrid.html
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Old 10-06-14, 02:20 PM
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Early '90s Giant Innova torn down and rebuilt with spare parts from the bin. 700x38s that roll over anything.

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Old 10-06-14, 07:48 PM
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This Mongoose Crossway 450 will take up to a 700x40 tire. Not one part on it is original, but it all came together well and it makes a nice beater gravel bike.

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Old 10-31-14, 08:35 AM
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Originally Posted by bikemig
Another (and much more readily available) alternative for a gravel mutt is the old standby, a vintage mountain bike. They're cheap and readily available and obviously can take a fat tire.
Man... this thread is giving me inspiration to convert my old Rockhopper to CX. It's 20ish years old. Been hanging in my parents garage (see, hoarding can be a good thing ) all this time. Earlier this year, my entry level road bike finally bit the dust and I upgraded. I'm thinking I could strip my old/broken roadie and mix and match a franken-cross-bike. Mmmm....
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Old 10-31-14, 08:49 AM
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Here is mine. Built out of an old commuter frame from the 90's. Specialized Crossroads.
Before


After



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Old 10-31-14, 08:39 PM
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Why o why do you need a special gravel bike. It is industry creating something else to sell. If you are comfortable and can put 28's or greater you will be fine.
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Old 10-31-14, 08:40 PM
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Oh yea, I puchased a Gunnar Crosshairs because I always wanted one and I have no regrets cause it is my do it all.
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Old 10-31-14, 08:51 PM
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Originally Posted by wvridgerider
Why o why do you need a special gravel bike. It is industry creating something else to sell. If you are comfortable and can put 28's or greater you will be fine.
Because my CAAD10 and Specialized Roubaix can only fit 23 or maybe a small 25 tire.
Tires are why.
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Old 11-01-14, 04:58 AM
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Originally Posted by wvridgerider
Why o why do you need a special gravel bike. It is industry creating something else to sell. If you are comfortable and can put 28's or greater you will be fine.
Come ride your 28's in a Florida GG race. For us, "hardpack" means only an inch of loose sand. I'm sure there are plenty of other places in the country where local road conditions call for something much​ wider.
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Old 11-10-14, 06:24 PM
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My only road bike.
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Old 11-10-14, 06:40 PM
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Originally Posted by Kopsis
Come ride your 28's in a Florida GG race. For us, "hardpack" means only an inch of loose sand. I'm sure there are plenty of other places in the country where local road conditions call for something much​ wider.
I use to ride mountain bikes in the Tampa area and hated the sand. I wonder if a fat bike would work well in that scenario.
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Old 11-10-14, 08:26 PM
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That Mongoose Crossway 450 is bad-ass! The original monstercross!

Originally Posted by KOBE
This Mongoose Crossway 450 will take up to a 700x40 tire. Not one part on it is original, but it all came together well and it makes a nice beater gravel bike.

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Old 11-11-14, 05:06 PM
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Originally Posted by Erik_A
That Mongoose Crossway 450 is bad-ass! The original monstercross!
Thanks Erik_A, now that we are getting more rain and mud around here I am riding it even more. The only aesthetic I don't like about the bike is that it has so much seat post showing. Unfortunately I think a 23" frame is the largest hybrid made, but I keep looking for a 25".
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Old 11-11-14, 08:31 PM
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Originally Posted by wvridgerider
My only road bike.
Do you actually race that bike?
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