I need a loaner....
08-22-09, 11:38 AM
#1
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I need a loaner....
10-speed Shimano cassette for a 'project'. I'll pay shipping in both directions and it'll be returned in the condition it was sent. I need one for for mocking up a 10-speed/126mm wheel.
Thanks,
Jim
Thanks,
Jim
08-22-09, 06:43 PM
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Everything I have is nine speeds or less, otherwise, I would be happy to assist!
bill
bill
08-22-09, 06:46 PM
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why do you need the cassette? To set up the shifting? That will make a pretty darn weak wheel, I sure as hell wouldn't ride it or recommend it to anyone.
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08-22-09, 07:07 PM
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130mm DA hub: ~18.4mm from the rims centerline to the right hub flange center
My 126mm 9 speed: ~17.4mm from the rims centerline to the right hub flange center.
Jim
08-22-09, 09:01 PM
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Typicaly yes, it would make a very weak wheel with too much dish but I'm trying a variety of combination to minimize dish. Earlier today I mocked it up with a 9-speed cassette. After respacing it's within 1mm of having the same drive side dish as a 130mm Dura Ace hub.
130mm DA hub: ~18.4mm from the rims centerline to the right hub flange center
My 126mm 9 speed: ~17.4mm from the rims centerline to the right hub flange center.
Jim
130mm DA hub: ~18.4mm from the rims centerline to the right hub flange center
My 126mm 9 speed: ~17.4mm from the rims centerline to the right hub flange center.
Jim
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear
1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear
08-22-09, 09:59 PM
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Here's my guess:
That 1 mm represents a 20% reduction in the out of plane bending stiffness of that wheel. Once the deflection (bending) exceeds the dish, your wheel could become unstable and fall apart.
I could be wrong. I'm probably (basically) correct.
That 1 mm represents a 20% reduction in the out of plane bending stiffness of that wheel. Once the deflection (bending) exceeds the dish, your wheel could become unstable and fall apart.
I could be wrong. I'm probably (basically) correct.
08-22-09, 10:42 PM
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Don't have ten. I'm still at 9 for the fancy road stuff. Otherwise I'd happily help out the homey.
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Still stupid and seriously neglected..
Still stupid and seriously neglected..
