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Couldn’t afford a gravel bike. So I repurposed a hardtail I rarely ever ride.

5492 Views 13 Replies 10 Participants Last post by  marylarry2677
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Since I got my Transition Spur, I’ve never really found a reason to ride my hardtail anymore. Originally, I thought about making it an SS trail bike. But after some thought, I decided against it because I still can’t ride it when trails are wet. So I decided to do something a little different and something rideable when trails are closed. I live minutes away by bike from a 40-ish mile paved and gravel greenway so thought I’d take advantage of it.

I bought the frame a while bike and built it up with spare parts.

It went from 30lbs down to 23. I had heavy WTB tires with Cush Core Pros front and rear as well as a 140mm Fox 36. This weighs as little as an aluminum mid-range gravel bike. I can probably get this bike to 20lbs, but I’m not spending that kind of money on weight reduction. Maybe not as fast as a true gravel bike, but it’s more capable.

The only changes I’ve made were the Whisky no. 9 boost MTB fork, a 34t chainring, and Schwalbe G-One Speeds with no inserts. SC states that the max chainring is 34t. I wish I could put on a 36 or 38, but it’s alright.

The Whisky carbon fork is travel corrected for 120-130mm suspension forks with an A2C measurement of 500mm. This is fantastic since most rigid forks only have travel correction for up to 100mm. Some are even less. Since I ran a 140mm 36 prior, I’m not really losing much A2C. Maybe 10-15mm max because I ran more sag. But the Chameleon C is specced with a 120mm fork in 29er form in SC’s build kits. So technically, my converted bike should be close to the geometry on paper, under sag with a 120mm fork. And getting on and riding around doesn’t feel strange. The front end is noticeably lower but that that’s only because I’ve been running a longer fork prior to this conversion. For all intents and purposes, it’s a perfect fit.

It’s a blast to ride and I like that it’s an MTB riding position since I didn’t really plan on getting deep in the weeds with gravel and road riding. I merely need to be able to ride during the wet season.







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Well slap my ass and color me jealous! Looks like a hellova fun steed. Especially for class B roads. I use my rigid el mariachi for this purpose, and have it set up similarly.
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That looks fantastic. You may be able to go to a different cassette in the future to affect your high-end gearing. Going to an XD driver would allow you to use a SRAM cassette with a 10 tooth or even an E13 with a 9 tooth for the occasional high speed section.

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That looks fantastic. You may be able to go to a different cassette in the future to affect your high-end gearing. Going to an XD driver would allow you to use a SRAM cassette with a 10 tooth or even an E13 with a 9 tooth for the occasional high speed section.

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I actually do have the E13 9-46t cassette from way back. I may install it at some point if I feel like I’m spinning in high gears but I just love how the 11s XTR drivetrain with XTR cassette shifts. Easily the best shifting MTB drivetrain I’ve ever used. And I have the XTR 12s and 10-52 XX1 Eagle on my other bikes.
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Simply WOW!! A+, thanks for sharing.
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Looks like fun, which means you've run afoul of the UCI (draft) gravel rules expected release dated: April 1st 2022 - [section 5, paragraph 8, line 4, 15, 37], "Rider's are not to have fun on makeshift gravel bikes. ... frames older than 5 years must be a maintenance nightmare, and require 1-5 hours service for every 1 hour riding. ... All rides on frames dated [XX] must end is mechanical failure"

You ride looks good, enjoy!
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The original gravel bike.

I put an old Mezcal 2.6" on the front of my hardtail, and a G-One 2.3" on the rear, and it's a perfect bike for everything that my mountain and fat bikes don't do well.
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The original gravel bike.

I put an old Mezcal 2.6" on the front of my hardtail, and a G-One 2.3" on the rear, and it's a perfect bike for everything that my mountain and fat bikes don't do well.
I’m already seeing a lot of flat bar ‘gravel bikes’ being pushed by manufacturers which are literally just rigid mountain bikes which are just original mountain bikes. Time is cyclical.
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Buddy very similar to his Highball - created urban assault ride and its pretty sweet like yours.
With carbon wheels and seatpost (no dropper), his weighs around 21lbs.
Max 34t front is really preventing him from making it his full-time gravel bike.
On gravel days with lots of climbing and sketchy descents, he's using the Highball and it just rips.
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I tried this with my Ibis DV9, but not being able to run more than a 32T front ring really limited the usability. 40T x 11/46 is the better for me. I did try the Wolf Tooth Camo ring thing that offers lots of different chain offsets, but in order to clear the chainstay, it was a cross-chaining mess. Great job on that Chameleon!
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I rode 60 miles of pavement this weekend and I had a blast. There are many, many miles of twisty paved greenways close to where I live so this is the perfect bike for it. Even with the currently low gearing, I haven't really been spinning at top gear too much. I would have liked a minimum of a 36t chainring, but this'll do for now. As far as acceleration goes, it picks up speed super fast. The riding position is comfortable since it's familiar and I'm using my 'mountain bike muscles'. Handling wise, it's incredibly stable, but still incredibly quick to turn due to the leverage I have with 780mm bars. It’s a rigid modern geometry hardtail mountain bike with slicks. And as far as grip goes, I have plenty. The G-One Speed is practically a road slick. But the oval rounded profile means I can lean the hell out of this bike in corners and take them as fast as I'm willing to. Grip is surprisingly good. It's like riding a motorcycle on a track day kind of fun. In fact, I'm making the comparison that this bike is the bicycle equivalent of a supermoto. I have a KTM SMC R 690 which I'm kind of drawing parallels with. The dropper makes it a very fun cornering and descending machine. Like this thing can reach lean angles I'm afraid for reaching at actual track days on my own motorcycle.

'Off-season' riding and training isn't that fun for most people including me, but this particular creation of mine is actually making me look forward to riding come pavement here and there. And I think it looks pretty badass too.


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ok bro, I think we are very similar, I used Highball for modification and it is very good now
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ok bro, I think we are very similar, I used Highball for modification and it is very good now
That’s pretty cool! Proving once again that MTB geometry is the best geometry for anything.
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