I bet not too many have seen something such as this (see pic):
04-17-10, 01:42 PM
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shaft driven is pretty sweet. More of a novelty than much of a practical value. I've never seen one in person, but they're supposed to be pretty heavy. Is it yours? and can I have a ride?
04-17-10, 02:40 PM
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Sorry for not understanding, but I notice that there is something different about this bike then others. What is it that is setting it apart? It's mechanical make-up?
04-17-10, 02:43 PM
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04-17-10, 03:02 PM
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Eh? Sonoma's been making shaft drive bikes for a hot minute now ent they? Nothing new in the hood as they say.. I'm an open minded kinda dude so do like to see variety so if it fit's the bill for you, roll with it.
I've heard of issues with weight, stripped splines on the shaft, rear wheel ease of serviceability (flats, general wheel removal), I suspect much like anything else it could be great for it's particular specialty I suppose. Perhaps modest distance commuting or easy rides on the local bike paths?
All the same this one in the pic looks well used so I suspect the owner made good use and had a great time with it.
I've heard of issues with weight, stripped splines on the shaft, rear wheel ease of serviceability (flats, general wheel removal), I suspect much like anything else it could be great for it's particular specialty I suppose. Perhaps modest distance commuting or easy rides on the local bike paths?
All the same this one in the pic looks well used so I suspect the owner made good use and had a great time with it.
04-18-10, 01:15 AM
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More info here:
https://www.sheldonbrown.com/gloss_sa-o.html#shaft
Summary: they're crap.
"All of the advantages claimed for shaft drive can be realized by the use of a chain case."
https://www.sheldonbrown.com/gloss_sa-o.html#shaft
Summary: they're crap.
"All of the advantages claimed for shaft drive can be realized by the use of a chain case."
04-18-10, 09:24 PM
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There's at least one company that I know of that is currently producing shaft drive bikes. They generally use a 3,4,7 or 8 speed IGH. Certainly not a performance bike, but for commuters, and folks that fear a chain, they're not bad.
04-18-10, 09:37 PM
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For folks that fear a chain, I'd rather they use belt drive like the Trek District.
04-27-10, 09:06 AM
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Sheldon's full of it when it comes to shaft-drives. They're fine. They tend to be on utility/commuter-type bikes, which are loaded up with fenders, rack, stand, etc. if not also dynamo lights and what not.
Kinda like mine, a Dekra (before they re-branded as Sonoma). It's going for an overhaul after 3 years of just pumping up the tires and going. Shaft-drive paired with an internal hub, and you don't have to worry about the mechanicals; or pant legs, or muddy puddles.
All the posting about efficiency are mostly nonsense. One time someone tried to argue that the shaft couldn't stand up to the awesome torque they were going to put on it. Look up that one, it's a fun thread. We broke out the calculators for it.
Kinda like mine, a Dekra (before they re-branded as Sonoma). It's going for an overhaul after 3 years of just pumping up the tires and going. Shaft-drive paired with an internal hub, and you don't have to worry about the mechanicals; or pant legs, or muddy puddles.
All the posting about efficiency are mostly nonsense. One time someone tried to argue that the shaft couldn't stand up to the awesome torque they were going to put on it. Look up that one, it's a fun thread. We broke out the calculators for it.
04-27-10, 09:37 AM
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I've ridden one and took a photo of one in a museum. They were made obsolete about 100 years ago. Anyone on the interwebz can buy a shaft drive to add to a bike or buy a finished bike. They are slow.There is a lot of energy lost, and even more if you add a internally geared hub.
04-27-10, 02:08 PM
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i saw one last year and it blew my mind. then i looked them up and found out they are totally antiquated. then i laughed. thus ends my story.
04-27-10, 02:42 PM
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I did a contract service job for a bike rental fleet that was shaft drive, Sonoma's if I recall correctly. 15 bikes, all about a year old, all getting overhauls.
Long story short, I had to dismantle each of their drivetrains to flush out all the METAL SHAVINGS that had accumulated from the bevel gears grinding each other to bits.
Long story short, I had to dismantle each of their drivetrains to flush out all the METAL SHAVINGS that had accumulated from the bevel gears grinding each other to bits.
04-27-10, 02:59 PM
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Major Taylor once had a shaft drive bike sponsor and he rode them in races. That was over a hundred years ago.
I wouldn't have one today, though. The reasons why have all been hashed out many times on the BF and elsewhere.
I wouldn't have one today, though. The reasons why have all been hashed out many times on the BF and elsewhere.
04-28-10, 07:37 AM
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Major Taylor on a Sager
Incline for $400
more info here: https://www.dynamicbicycles.com/chainless/index.php
Incline for $400
more info here: https://www.dynamicbicycles.com/chainless/index.php
