[jonKranked]

Butt to hand measurements are similar going from 1st to 2nd gen Megatrail, and as above, similar from 2nd gen Medium to 3rd gen Size 3 (short). You could just prefer the bike a little shorter, or when the seat tube angle got steeper for 2nd gen, that could explain the difference (1st gen gets proportionally longer in cockpit as the seat gets higher).

50/60mm stem length recommendations are baselines to get folks as comfortable as possible. I wouldn't read too much into them, it's a baseline gathered from feedback over time. As far as weight balancing, yes, that's part of it, but to really dial that in, has to be done on a rider specific basis. I've done front/rear weight balance measurements, and leaning forward/back even just a little bit changes the weight balance at least as much as 10mm of stem length. It can easily change the balance from 60/40 to 55/45, for example.

New industry acronym: b2h (butt to hand)

 

[mtg]

New industry acronym: b2h (butt to hand)

Nope, that would actually be a useful standard. No chance of it happening.

 

[boostindoubles]

From what I am reading, the aluminum and plastic Shred Doggs are both posted at 6.5-6.6 lbs. Sorry if it has been covered, but is there any difference in the weight of the new vs old frames? Did the front triangles come out at the same weight as the aluminum?

 

[HardtailHack]

has the hate mail started?

The Chinese carbon layers have booked their flights.......

 

[mtg]

From what I am reading, the aluminum and plastic Shred Doggs are both posted at 6.5-6.6 lbs. Sorry if it has been covered, but is there any difference in the weight of the new vs old frames? Did the front triangles come out at the same weight as the aluminum?

The Revved front triangle is 0.6lbs lighter than an equivalent aluminum version. Quoted weights on the aluminum bikes were raw, where quoted weights for carbon bikes include powder coat.

 

[johnbryanpeters]

The Revved front triangle is 0.6lbs lighter than an equivalent aluminum version. Quoted weights on the aluminum bikes were raw, where quoted weights for carbon bikes include powder coat.

Powder coat on carbon? Woon'ta thunk it.

 

[6thElement]

Powder coat on carbon? Woon'ta thunk it.

Carbon frame is wrapped in alu cooking foil for the powdercoat to stick to.

 

[mtg]

Powder coat on carbon? Woon'ta thunk it.

Normally it isn’t feasible, or would require a very low temp cure powder, which isn’t as durable. But Revved carbon is cooked so much hotter than traditional carbon, normal powder coat works.

 

[jstuhlman]

 

[Nick]

@mtg
If you choose to bring that process in house I can hook you up with the state of the art equipment, cure ovens, etc. I worked for an industrial coatings engineer for many years

 

[Katz]

Can I buy a Revved frame in neon powder coat that doesn't fade?

 

[iRider]

Normally it isn’t feasible, or would require a very low temp cure powder, which isn’t as durable. But Revved carbon is cooked so much hotter than traditional carbon, normal powder coat works.

Why powder coat it to begin with? Would save some significant weight if you wouldn't.

 

[slimshady]

Why powder coat it to begin with? Would save some significant weight if you wouldn't.

To be able to ride your bike at non-nocturnal times, duh!

 

[captainspauldin]

Powder coat on carbon? Woon'ta thunk it.

Powdercoat has a higher SPF then paint.

 

[jonKranked]

Powdercoat has a higher SPF then paint.

what about UPF? i'd argue that's more important

 

[djjohnr]

Interesting, does the powdercoat add another layer of effective scratch resistance?

 

[jonKranked]

Interesting, does the powdercoat add another layer of effective scratch resistance?

i'm inclined to say yes. IME powdercoating has always been more durable than paint. altough i do believe it weighs a few more grams.

 

[Udi]

I'll ask the obvious next question - is raw+clearcoat an option, and what's the gram saving?

 

[mtg]

I'll ask the obvious next question - is raw+clearcoat an option, and what's the gram saving?

Not this year, but maybe in the future. They definitely look pretty cool right out of the mold. The clear would be powder coat, though, so it wouldn't be any lighter.

 

[velocipedist]

Me thinks GG is using a thermoplastic like from Tencate, not a thermoset.

https://www.tencatecomposites.com/products/thermoplastic/reinforced-thermoplastic-laminates

@mtg
If you choose to bring that process in house I can hook you up with the state of the art equipment, cure ovens, etc. I worked for an industrial coatings engineer for many years

 

[iRider]

Not this year, but maybe in the future. They definitely look pretty cool right out of the mold. The clear would be powder coat, though, so it wouldn't be any lighter.

Why at all powder coat then? If they would look like sh!t out of the mold then I could understand why you need to cover them up. But why not leave them raw?

 

[Toshi]

Why at all powder coat then? If they would look like sh!t out of the mold then I could understand why you need to cover them up. But why not leave them raw?

The day star is a bright star

 

[jonKranked]

Me thinks GG is using a thermoplastic like from Tencate, not a thermoset.

https://www.tencatecomposites.com/products/thermoplastic/reinforced-thermoplastic-laminates

 

[StiHacka]

Me thinks GG is using a thermoplastic like from Tencate, not a thermoset.

https://www.tencatecomposites.com/products/thermoplastic/reinforced-thermoplastic-laminates

Oooooohhh! Crabon frames that can be welded?

 

[roflbox]

Me thinks GG is using a thermoplastic like from Tencate, not a thermoset.

https://www.tencatecomposites.com/products/thermoplastic/reinforced-thermoplastic-laminates

careful, you have said too much, lizurds will be there shortly

 

[velocipedist]

Maybe, but in general thermoplastics are 100% recyclable therefore lizurd kryptonite.

careful, you have said too much, lizurds will be there shortly

 

[slyfink]

I listened to your podcast with Vital yesterday while I was waxing skis. Very cool, interesting podcast. good job. was surprised at the "external-internal" cable routing thing. funny how something that seems simple can turn out to be anything but...

 

[mtg]

I listened to your podcast with Vital yesterday while I was waxing skis. Very cool, interesting podcast. good job. was surprised at the "external-internal" cable routing thing. funny how something that seems simple can turn out to be anything but...

Yeah, it created some complicated geometry in the downtube that was pretty difficult to create consistently. The whole time we were figuring out those solutions, Ben was like "this fuckin cable door, if it wasn't there..". Ha ha. And, then I was pretty concerned about fit up tolerances with the exact thickness of the door itself vs housing diameter and powder coat thickness, combined with the stiffness of the door itself to make sure it blended into the frame when everything was assembled. We're pumped on how it looks now, though.

 

[SuboptimusPrime]

Glad you made it work. Screw internal routing especially for the brake...this seems like a nice compromise.

 

[jonKranked]

Glad you made it work. Screw internal routing especially for the brake...this seems like a nice compromise.

From what I've seen it's the best of both worlds - clean routing and none of the hassle of trying to push tubes through tiny ass holes. A little surprised no other companies have tried this yet (that I'm aware of).

 

[toodles]

From what I've seen it's the best of both worlds - clean routing and none of the hassle of trying to push tubes through tiny ass holes. A little surprised no other companies have tried this yet (that I'm aware of).

The Canyon Spectral has a similar setup. It's well awesome.

 

[SuboptimusPrime]

From what I've seen it's the best of both worlds - clean routing and none of the hassle of trying to push tubes through tiny ass holes. A little surprised no other companies have tried this yet (that I'm aware of).

Think GT has their cables in a grove down the down tube on the alloy bikes at least. Agree that this seems better (as usual with GG).

 

[johnbryanpeters]

Think GT has their cables in a grove down the down tube on the alloy bikes at least. Agree that this seems better (as usual with GG).

Don't the branches increase wind resistance?

 

[SuboptimusPrime]

Don't the branches increase wind resistance?

Har har fycker. God I love the bag of assholes we’ve assembled at teh Monkey.

 

[mtg]

https://www.bicycling.com/bikes-gear/a26766146/guerrilla-gravity-new-carbon-mountain-bikes/

 

[slimshady]

https://www.bicycling.com/bikes-gear/a26766146/guerrilla-gravity-new-carbon-mountain-bikes/

Holy cow, I didn't know you even filled a patent application for the method to form hollow carbon structures! Talking about upping the ante...

 

[vinny4130]

I’m sure they did about the same processes 10 years ago.

 

[mtg]

I’m sure they did about the same processes 10 years ago.

Hollow carbon frames have existed for a long time, but not from the materials we’re using (which themselves are far less than 10 years old), and said materials require a different manufacturing methodology.

 

[vinny4130]

That’s point I’m trying to make is that it’s any aerospace tech, carbon, thermoplastic and what not after ten plus years is not the same thing as now, it’s refined to a much higher degree. I think it’s kinda insulting to GG that within the article the others make statements like we did it a decade ago. Maybe I miss read, but the replies came off as a kinda dig.

 

[mtg]

Ah, I misunderstood you the first time. As far as what the other industry composites guys said, it’s unlikely they would tell a reporter “shit, we should have figured this out and started doing it ourselves by now”. However, that has been happening privately. Our material supplier said they’ve heard almost exactly that from some “big guys” in the industry.