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jeff.brines

jeff.brines

Lives in: Grand Junction, CO USA

Member since: 08/29/10

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Liked a comment on the item The Story Behind Dean Lucas Paying $10,000 on a Private Jet to Get Back to Australia 11/19/2021 10:41 AM

The few times I've tried listening I get exhausted after the third or fourth mention of "jiu-jitsu" or "technique".

Added a comment about video The Story Behind Dean Lucas Paying $10,000 on a Private Jet to Get Back to Australia 11/19/2021 10:03 AM

Jase drives me crazy as a host. Crazy story however.

This video has 11 comments.

Added reply in a thread How to make the industry more sustainable? 11/19/2021 8:11 AM

Hey, we can all grow and learn, right?

wink

Added reply in a thread How to make the industry more sustainable? 11/19/2021 6:17 AM

I know this is a huge surprise to the Vital collective, but I have a pile of thoughts on this one

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Fortunately, Robot and DCamp covered a lot of my sentiment. Its refreshing to see so much forethought around the idea of "sustainability". Few ... more »

Added reply in a thread DIY Ghetto idler mounted to ISCG tabs? 11/10/2021 5:50 AM

The most likely affect is in his head

wink
- If kids on tiktok are literally coming down with tics after too many Tourettes videos, I think its fair to suggest we mountain bikers are often feeling things just because the "internet told us so". No matter ... more »

Added reply in a thread A cheaper high pivot idler pulley 11/5/2021 2:16 PM

Ah ha! This makes sense. Thx!

Added reply in a thread A cheaper high pivot idler pulley 11/5/2021 6:56 AM

I'm kind of an idiot but what do you mean there is no torque transferred through the idler? This seems wrong.

Liked a comment on the item 2006 Santa Cruz V10 vs 2021 V10 with Steve Peat - Are DH Bikes Faster Today? 10/28/2021 3:35 AM

Quick test- when you were racing Kyle, how
much harder would you have to work to be 7 seconds faster on a 3.5 minute track? That’s the difference between not qualifying and being in the top 20 on most World Cup tracks.

Added a comment about member blog 2006 Santa Cruz V10 vs 2021 V10 with Steve Peat - Are DH Bikes Faster Today? 10/27/2021 5:29 PM
jeff.brines

Two things...

1) Thank you for this! Helps see how the "super official" test could be improved upon. The best test (being its Peaty) would be Fort Bill. That'd be so rad to see!! I doubt that poor wheel would survive however. #fanboi alert...lol

2) Your avatar/handle might be the best on Vital. Lumberg (sp?) approved.

This member blog has 15 comments.

Liked a comment on the item 2006 Santa Cruz V10 vs 2021 V10 with Steve Peat - Are DH Bikes Faster Today? 10/27/2021 5:27 PM

Gnar factor is not super high except the steep bit around 5:00. Typically most people go around it because once you plunge into it, gravity takes over and you struggle to control speed for the berm. the braking bumps can be like stairs.

The track is quite fast and has good flow, not a lot of...more

Added reply in a thread 2022 Mountain Bike Team Rumors 10/27/2021 4:45 AM

Watching his insta makes me think that's a "hard no". He's not training, not showing up to smaller races, not even riding a DH bike. Would absolutely love to see him come back though.

Added reply in a thread 2022 Mountain Bike Team Rumors 10/25/2021 12:11 PM

As others point out, no Team Rumors/Ream Tumors is the biggest loss.Warner always slipping up was great and added fuel to the fire. Two other things... 1) No "high drama" contracts are up or unknown at this point (right?). When everyone was wondering ... more »

Liked a comment on the item Vital MTB Test Session - Downhill Bike Recap 10/23/2021 2:54 AM

When it comes to suspension, there’s no replacement for displacement.

Added a comment about feature Steel, American-Made, High-Pivot Enduro Bike - Evan Turpen, Contra Bikes - The Inside Line 10/22/2021 2:19 PM
jeff.brines

The bike, dude & process are all awesome. I'd love to ride one. Hell, if I ever have the means, I'd even buy one! The idea of building a frame to be "generational" is very cool. That said, I have no idea how ET is making the math work on these. Even at high prices, to try and compete with the big brands (which in one way or another you are) while still selling enough at a boutique price point to keep the proverbial lights on AND pay yourself...man. You sir, have some serious balls. Kudos for putting the rubber to the road on a project many dream about but few actually follow through on. Fun to see how they develop!

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This feature has 18 comments.

Added a comment about product review Kona Honzo ESD Review 10/20/2021 3:10 PM
jeff.brines

Well, countering your point would require you to read "walls of text, bullet points" (which you already suggest is too hard) so I'm not sure how I can engage. Simply, if you don't want to dive in, and instead want to argue for the sake of arguing, its a giant waste of time. I know why a rear center length is picked, and broadly speaking, axle path has very little to do with it (unless its a total outlier - alla BCD 2004)

My big takeaway: If a person can't even say "oh man, I see, there is a lot more to this than I thought, maybe I should reconsider my view on this" with respect to how & why a bike designer choses a rear center, we are SO FUCKED when it comes to issues that actually matter. LOL.

This product_review has 19 comments.

Added a comment about product review Kona Honzo ESD Review 10/20/2021 12:54 PM
jeff.brines

I love the internet. LOL.

This "debate" is degrading faster than even I care to keep up with. If anyone outside of this guy wants me to more fully explain anything I've put forth, please ask. I've covered this topic extensively.

In case Mr. Dunning Kruger Effect wants to learn more - https://www.vitalmtb.com/forums/The-Hub,2/The-Internet-Was-Wrong-Short-Chainstays-Suck,9344?exclusive_forum_user=false&page=1

Otherwise, have a good one. Your n=one subjective handling experience is not something I care to even remotely dive into. And no, you've countered nothing with "data".

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This product_review has 19 comments.

Added a comment about product review Kona Honzo ESD Review 10/20/2021 10:07 AM
jeff.brines

Agree to disagree might be the best option here. I've basically written a phd level thesis on this topic lol. I don't want to go repeat it here but for fun, I'll try and quickly break this down for you.

1) You are ignoring how immaterial the rear center change really is. A Yeti SB140 is basically neutral, (4mm back, 5mm forward). Other bikes mirror this to a lesser extent. You aren't going to feel that no matter where you are in the bike's travel. Even something like a Commencal which has the most "forward" axle path of anything I know doesn't change THAT much. Something like 9mm overall? And most of that comes in the last 30%. Point is, bike designers aren't really "pricing in" chainstay length change when the design their bikes because rarely is it all that material this side of your super high pivot Which brings me to my next point - high pivots don't even change that much. The GT Force extends about 10mm. The Cannondale high pivot about 12mm. They don't corner poorly, no tester has suggested this nor have any of their racers struggled in the twisties. (I echo this sentiment having ridden one)This alone blows up your entire sentiment that we are trying to shorten up the rear center in corners for agility reasons. As to where we spend our time while riding as far as travel is concerned, if you were to analyze any telemetry even the best riders aren't using the last 30% of the travel for very much *time*. Remember how a spring works. Remember how suspension cycles. Most of your time is going to be spent around the sag point +/- 30%. Yes, you'll use full travel (or something near it) but those instances are very short and quick. I hope I don't have to explain this to you.

2) Your unwillingness to read up on this topic does not somehow give you a pass to put terrible ideas into the broader ether. I don't really care what you think as much as I care someone might read what you wrote and believe it.

3) I never said longer is always better. Again, if you'd actually care to read what I wrote as it pertains to *rear center lengths* you'd understand what I'm arguing for is anytime the front center grows so too should the rear center. As to what those proportions need to be, thats up for debate and very impacted by rider style, your own body's proportions, what you want the bike to do, what kind of bike you are riding (discipline), head angle, fork offset, stem length, reach, stack and anything else that has to do with balance between two wheels (which does include axle path, but its far less a variable than you are suggesting...its way down this list).

This product_review has 19 comments.