Re: New Stuff Thread....

Postby Astoria Paranoia on Thu 1/Jan/15 1:23pm

Fixies for Enduro




I've never thought to myself "Man if only I could shift while cornering".
The chain jamming/derailling then your momentum driving the chain around would worry me.
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Re: New Stuff Thread....

Postby Conners on Thu 1/Jan/15 6:55pm

Another solution looking for a problem. The negatives massively outweigh the positives imho.
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Re: New Stuff Thread....

Postby wachtourak on Thu 1/Jan/15 7:00pm

Conners wrote:Another solution looking for a problem. The negatives massively outweigh the positives imho.


Would you expect anything else from the bike industry? lol
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Re: New Stuff Thread....

Postby mark2c on Thu 1/Jan/15 7:42pm

wachtourak wrote:
Conners wrote:Another solution looking for a problem. The negatives massively outweigh the positives imho.


Would you expect anything else from the bike industry? lol


Possibly not entirely fair, but there could be at least 3 new 'standards' in there. Bike industry.
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Re: New Stuff Thread....

Postby foremannz on Thu 1/Jan/15 10:44pm

LOL, I saw this technology 30 years ago on a womans road bike, and it didn't take off then either ...
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Re: New Stuff Thread....

Postby Trail on Fri 2/Jan/15 12:14pm

Once again

Meh. Derailleurs are a very weak point on a bike and having the chain pulling thru at crank height constrains the suspension design significantly.

Get rid of the derailleur and constraints and put it all into a gearbox. Then there is no need for front and rear derailleurs, no need for clutch derailleurs that wear out, no need for chain retention devices... and no need for this silliness.
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Re: New Stuff Thread....

Postby Dougal on Fri 2/Jan/15 12:45pm

That was around in the 1980's in 10-speeds. If it hasn't been scrapped an old 10-speed with it might still be around here somewhere. It had Shimano Positron shifting combined a freewheel on the crank.

Info here: http://en.wikipedia.org/wiki/Front_freewheel
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Re: New Stuff Thread....

Postby AgrAde on Fri 2/Jan/15 1:28pm

The cool thing about front freewheel designs is that every time you bend your hanger or get something stuck in the drivetrain* while going faster than 15kmph, you wrap your derailer around your cassette so fast that it smashes into your seatstay, breaking your whole drivetrain and possibly your frame and some spokes. Great design.

*this includes pant legs and shoelaces.
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Re: New Stuff Thread....

Postby Wobbler on Fri 2/Jan/15 1:33pm

The promo video is enduro as fuck, so many close ups and slowmos
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Re: New Stuff Thread....

Postby Farm on Fri 2/Jan/15 2:24pm

Dougal wrote:That was around in the 1980's in 10-speeds. If it hasn't been scrapped an old 10-speed with it might still be around here somewhere. It had Shimano Positron shifting combined a freewheel on the crank.

Info here: http://en.wikipedia.org/wiki/Front_freewheel

I like that it was called FFS.
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Re: New Stuff Thread....

Postby mark2c on Sun 4/Jan/15 4:47pm

Farm wrote:
Dougal wrote:That was around in the 1980's in 10-speeds. If it hasn't been scrapped an old 10-speed with it might still be around here somewhere. It had Shimano Positron shifting combined a freewheel on the crank.

Info here: http://en.wikipedia.org/wiki/Front_freewheel

I like that it was called FFS.


Gold.
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Re: New Stuff Thread....

Postby pb on Mon 5/Jan/15 4:07pm

Would be even more epic if they put the disc on the cranks too. :satan:
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Re: New Stuff Thread....

Postby mudguard on Mon 5/Jan/15 7:54pm

At about 1 minute in, the chain continually bounces up and down after shifting gear, would a normal drivetrain do that? Or is it simply because there is no load on the chain keeping it taut?
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Re: New Stuff Thread....

Postby Astoria Paranoia on Mon 5/Jan/15 11:51pm

mudguard wrote:At about 1 minute in, the chain continually bounces up and down after shifting gear, would a normal drivetrain do that? Or is it simply because there is no load on the chain keeping it taut?


Bingo.
A clutch mech would also stabilise the lower portion of the chain.
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Re: New Stuff Thread....

Postby dwgknz on Tue 27/Jan/15 1:12pm

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