what the hell is a vertical dropout?
...all I do is ride; my education is apparantly coming 'as needed' 😉
Cycling Equipment · Public discussion
dumb noob-ish question
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- Cycling Equipment
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- 18 July 2006
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- 21 July 2006
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- astroluc
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A vertical dropout is the standard dropout used today. It is where the rear wheel axle slides into, vertically.
This is different compared to a horizontal dropout found on bmx bikes. In a horizontal dropout you would slide out the axle horizontally, out of the frame.
This method also used on track bikes, is designed to give the chain tension, by pulling the wheel back a little bit, and then tightening the wheel to the frame. On multi speed bike you don't need this, since you have a derailleur taking up all the slack in the chain. Plus a vertical dropout is much more secure when using quick release skewers. Thus making wheel changes very quick.
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free_rideman said:
A vertical dropout is the standard dropout used today. It is where the rear wheel axle slides into, vertically.
This is different compared to a horizontal dropout found on bmx bikes. In a horizontal dropout you would slide out the axle horizontally, out of the frame.
This method also used on track bikes, is designed to give the chain tension, by pulling the wheel back a little bit, and then tightening the wheel to the frame. On multi speed bike you don't need this, since you have a derailleur taking up all the slack in the chain. Plus a vertical dropout is much more secure when using quick release skewers. Thus making wheel changes very quick.
thank you! it all seems obvious in retrospect, but I would have never known... thanks again! -
astroluc said:
what the hell is a vertical dropout?
...all I do is ride; my education is apparantly coming 'as needed' 😉
as per the drawing attached...
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free_rideman said:
Plus a vertical dropout is much more secure when using quick release skewers. Thus making wheel changes very quick.
yeah, vertical dropouts are much better in that HEAPS less tension is required from the skewer. On the old frames with horizontal dropouts, the wheel would sometimes move a little under pressure from the chain, even when the skewer was done up with a 1000 Newtons!! 🙂 I actually a cheap skewer break once coz it was done up too tight........no fun
The only possible donwdside of vertical dropouts that I can think of is that if the frame is slightly misaligned, or the wheel is slightly off center, this stands out more.
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perfect, thank you all... it makes a bit more sense now.
My idea was/is to build a fixed gear since "that's what all the kids are doing these days" and someone metioned to me that I would be better off seeking a frame without vert. dropouts in order to tension the chain... now, is this the only way? I might have access to a perfect road-frame for this project but it has vert. dropouts.
Options/ideas/advice?! thanks!
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astroluc said:
Options/ideas/advice?! thanks!
If you're really set on the frame, you can use an eccentric rear hub:
http://www.whiteind.com/ENO_Products/eric.html
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