Test of new unusual bike concept -- Super Versatile Bike (SVB)

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Author: Kuzmin Ski Technology AB SkiTech

2020View

4m 47sLenght

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Tough test of new unusual bike concept -- Super Versatile Bike (SVB) Under summer time have we another hobby -- cycling. Usually it is road cycling, but from last summer of-road is included too. Because we like simple solution, we critically evaluated the generally accepted MTB solution and found it too heavy and complicated. Damping forks of €100-250 are 2,5-1,9 kg heavy, disk brakes are about 500-600 grams heavily in comparison with cantilever brakes. Damping forks and hydraulic disk brakes have a quite complicated design and difficult to repair it in field conditions. The presented SVB is of titanium alloy, the best frame and fork material. With fat 2,35" tyres the bike is 9,2 kg heavy. From http://www.spadout.com/a/the-evolution-of-bicycle-frame-materials/: "Titanium is so much lighter than other materials, that using a bit more still keeps it well under the weight of most other frame materials today. That means titanium, in theory, is superior to all other materials in that it's lightweight, strong, and rigid, yet comfortable. Plus, a titanium frame will last as long as you want to ride it, as it doesn't wear, is virtually crack-proof, and won't rust". By different tyres wide, mudguards, carriers we can convert our bike from road race bike to MTB to commuting bike and to real globetrotter. The race 75 km Snapphaneturen (http://www.snapphaneturen.se/) has a toughest course in Sweden. Our test pilot is not a very experience off-road rider. However, in our opinion, test result of the concept (SVB) is an immediate success. Thanks to Richard Stenberg (http://youtu.be/35OxUDrgJvo)

Comments

Mrk Sef, Please, consider the new and probably last version of SVB:
https://www.facebook.com/permalink.php?story_fbid=864917636909312&id=177000155701067

Haha Hilarious reasons that you mention below that only shows your little experience in this field, but please carry on. I very much doubt that you will get a broader market for your bike than yourself, but what ever floats your boat.

Some risk of pulling front wheel out of the dropout due to torsional stress; Weaker rear wheel, since more dished both sides; Complicates rack attachment; Complicates rear kickstand mounting; Less standard worldwide, more likely to need FedEx; Pads become useless if you get oil on them; Disc rotor is smaller than rims, so heats up more quickly; On long descents, red hot rotor can heat up hub (bad for bearings); Disc rotor can still become damaged in transit, harder to replace;

Hard to find brake pads or rotors if you're touring in remote areas (make sure to carry spare pads and rotors); Hard to tell what brake pad wear is; Can suffer from 'hard to diagnose' inconsistent performance; If your bike is a travel-bike, the disc brakes make packing and un-packing much more difficult; Put more stress on spokes; You need a dished wheel, even in front; More beefy forks required, since stress is put on one side;

Hi, please, pay attention to name: Super Versatile Bike. With cantilever brakes I can mount any (ISO 622mm / 700C) wheels and go ahead. The Downside of disc brakes: Disc brakes can be noisy. Not a problem off road, but on a quiet road ride the constant scraping sound drives me nuts; The bike equipped with disc brakes will weigh 1 ~ 2.25 pounds more than rim brake version of the same bike;

"It was not only me how was greatly annoyed with the way you tried to block everyone" - How you know it? Did you make some kind of questioning?; "even when walking, which you did on every little technical part on the course. ...then you rode like hell on the gravel" - How you know it? Did you have access to helicopter patrolling? However, if you statement is correct, I have to try Tour de France next year. Thank you very much! 30% of prize money are yours.

Dear Robert, SVB includes touring too. Imagine, you are in Moldavia, your brake hose is off, and hydraulic oil is on the ground. Simple device - a reliable device.

The reason for Disc brakes coming towards road bikes is becuase it have been wanted by the bikers themselves, not by the market. I have disc brakes on my commuting bike, it is outstanding performance during rain and winter conditions. I have serviced my breakes Zero (0) times during a whole year of commuting, 50km per day,,,, Please, read up on the subject a bit before making falsy statements. I was considering your scrapes, but after this "show" your credibility went down the drain.

Well, I don't know what age have do to with acting bad towards all other riders. It was not only me how was greatly annoyed with the way you tried to block everyone, even when walking, which you did on every little technical part on the course. You didn't clear one technical part on the whole course. What you did was blocking us technical riders and then you rode like hell on the gravel. To summarize: Your SVB works well on gravel and tarmac, on technical trails it does't work, what a surprise..

"Nice to call that a sucess..." - Why not, it was test of the concept, not of the rider. Yes, Robert, I can realize your annoyance: you are 21 years younger, you have a lot of off-road race experience, but anyway you are about 21 minutes behind me in the results list. I am sorry. Please, try to forgive me.

Dear Robert, No my MTB experience is a very limited. But the mayor goal is to make Super Versatile Bike (SVB) not a MTB. The presented bike has all needed M5 holes to mount full size mudguards and carriers. With narrow tyres and with 11-23 cassette the bike weight just above 8 kg. With road style pedals and road bike wheels below 8 kg. "Even on road bikes the trend is towards disc brake" - Please, try to realize, not all trends are rational trends. The market wants us to buy more and more.

Btw, 9,2kg is heavy and the text above is hilarious, "Damping forks and hydraulic disk brakes have a quite complicated design and difficult to repair it in field conditions." Do you have any experience at all with MTB? The fork need some service like once a year and the brakes work when it is muddy and does not eat up the rims. I've never heard of any brake malfunction during field. Even on road bikes the trend is towards disc brake because of their superior behaviour and handling.

You rode like a fool and blocked everyone behind you even when you were walking you tried to do everything in your power not to let us pass. You only rode good on the gravel and tarmac, what a joke. Nice to call that a sucess... If anything, you did a sorrow job displaying yourself and your company since you were the most ruthless and egoistic rider I have ever been ridden with in my 3 years as an active cyclist.