Protour

  • Member since Sep 4, 2011
  • 114 Followers
  • Vancouver , British Columbia
  • Male / 40

Canadian

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Recent

Protour theastonator's article
Sep 15, 2014 at 6:12
2 days
Lazer, Gloworm, Jamis - Interbike 2014
Haro also made some hardtails early on.
Protour RichardCunningham's photo
Sep 15, 2014 at 5:49
2 days
Nooooooo!

Protour RichardCunningham's photo
Sep 15, 2014 at 5:45
2 days
Who cares about my brain, I just want to protect my pretty face.

Sep 13, 2014 at 7:14
Sep 13, 2014
Protour mikelevy's article
Sep 9, 2014 at 3:41
Sep 9, 2014
2015 Devinci Wilson SL - Interbike 2014
No, the main pivot is the higher one. Otherwise with a main pivot lower than the BB it would have a horrendous axle path and even worse front & rear suspension axle path balance than the new Specialized Demo.
Protour pinkbikeaudience's article
Aug 29, 2014 at 7:23
Aug 29, 2014
Results: World Cup Round 7 Meribel - Finals
"Speaking strictly about static chassis reaction and negating dynamic concerns:If your IC is above your ground plane and in front of the rear axle you will have some a suspension compression reaction during braking. If your IC is below your grond plane and in front of the rear axle you will have a suspension extension reaction during braking. If your IC is below your ground plane and behind the rear axle you will have some a suspension compression reaction during braking. If your IC is above your ground plane and behind the rear axle you will have a suspension extension reaction during braking." Dave Weagal Suspension extension during steep terrain, when you are behind the rear axle, is the problem with the Demo. The wheelbase on the Demo changes more radically than any bicycle in the history of mountain biking. This is what creates the "bucking bronco" effect that I have described on the Demo, because of the extreme upward and inward axle path, when it extends, creates what can be best technically described as a 'rider ejection machine', when you consider the angle of its axle path in steep terrain. Not to mention the traction issue it creates with the the front tire surging ahead when you touch both brakes and the rear suspension extends. On steep, rough terrain, this bike simply is not well-grounded, it is a bucking bronco. In addition to being unstable, a bike with that axle path, and the wheels constantly fighting each other, is also not going to carry momentum as well.
Protour RichardCunningham's article
Aug 29, 2014 at 5:57
Aug 29, 2014
Exclusive: Sam Hill's Secret Weapon
I'm flat out of them.
Protour pinkbikeaudience's article
Aug 28, 2014 at 7:14
Aug 28, 2014
Results: World Cup Round 7 Meribel - Finals
ka-brap: "The only big brand that has been less successful since Gwin left Trek, is Trek actually. With Gwin and Brosnan on Specialized they have done far better than Trek has and this is the only factual information I can see so far." What about salary, is that "factual information" Gwin is definitely making more money per year than the entire Trek DH team, and Brosnan probably isn't far behind. In terms of expectations, Gwin's move to Specialized has been the biggest disappointment in the history of mountain bike racing. For the salary he is making, Championships are expected. I think he is on his 5th Specialized DH bike in less than 2 years, not counting the enduro. They can't make a Demo that works for him, and this one won't be around long either.
Protour pinkbikeaudience's article
Aug 28, 2014 at 7:01
Aug 28, 2014
Results: World Cup Round 7 Meribel - Finals
jclnv "Specialized said they've kept the kinematics the same so yes I imagine they achieved by the lower Horst link location, shock link size and position etc." It would be impossible to have it be the same if the BB is that much lower. Again, the Horst link only rotate slightly. Are you capable of understanding that the Horst-link is NOT the rear axle of a bicycle? I like the "etc" part of your quote, thanks for filling in all the details. jclnv "An axle path's manipulation has vastly more to do with manipulating anti squat than impact absorption." What is your definition of anti-squat? jclnv "the reason Honda and other multimillion dollar R&D programs don't care about "axle path imbalance" is the phenomenon only occurs in your mind." No, the results of the instability it can actually be quite disastrous on the race track. http://m.pinkbike.com/news/troy-brosnan-crash-video-2014.html jclnv "If suspension designers were concerned about axle path they would be far more worried than the effect on the rebound stroke than compression." They should be, but not at Specialized. The new Demo is s a bucking bronco in steep rough terrain, just waiting for that upward-and-inward axle path to rebound and eject the rider.
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