Does the front hub matter if it is... "different'?
08-08-07, 06:23 AM
#1
Papa Wheelie
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Does the front hub matter if it is... "different'?
may be a dumb question but...
I'm helping my younger daughter get a FG rig together.
She got some Velocity Deep V's and a Soma rer hub (high flange)
She did not get a front hub... yet.
I work in a volunteer shop and I fished a couple decent looking Shimano front hubs with the correct spoke count (32)
Parralax STX RC and something like Alera
but they are low flange
the spokes would have to be different length
does it make a difference? Aesthetics yes, but
thanks for any help
I'm helping my younger daughter get a FG rig together.
She got some Velocity Deep V's and a Soma rer hub (high flange)
She did not get a front hub... yet.
I work in a volunteer shop and I fished a couple decent looking Shimano front hubs with the correct spoke count (32)
Parralax STX RC and something like Alera
but they are low flange
the spokes would have to be different length
does it make a difference? Aesthetics yes, but
thanks for any help
08-08-07, 06:29 AM
#2
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no, having a front hub that is "different" (brand, style, color, spoke count etc) from the rear hub does not in any way shape or form affect the ride or performance of the bike as a whole. Having a different hub is purely cosmetic.
one should make sure however that the hub fits the spacing on the forks!
Build it up and post some pics!
one should make sure however that the hub fits the spacing on the forks!
Build it up and post some pics!
08-08-07, 06:31 AM
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The combination of LF front and HF rear actually has some old school credibility. The idea is, you have nice power transfer in the back, and a bit of shock absorption up front.
08-08-07, 06:43 AM
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Papa Wheelie
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one should make sure however that the hub fits the spacing on the forks!
08-08-07, 08:58 AM
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Actually if the front and rear hub are mismatched, there can be polarity mismatches.
If you refer to the "Are NJS hubs forged?" thread, you'll learn that most hubs are either made by machining or "metalspinning". Both of these processes involve spinning the AL at high speeds and using tools to cut or manipulate the aluminum, thus changing the shape. This high RPM spinning plus the use of steel tools produces a small, but measureable, polarization of the Aluminum atoms within the hub. This polarization is minor when it is at rest, but as the RPM of the hub increases (when riding a built up wheel), it is exacerbated (plus the conduction along the steel spokes to the rim) enough to produce a magnetic gyroscopic precession effect with the earth's magnetic field. Normally, matching hubs provide equal and opposite forces to the frame, so that the rider can ride no-handed. On hubs with mis-matched polarity, these forces may not cancel each other out, and the rider can be tossed from the bike with very little warning once the "Gaussian Velocity" has been reached.
If you refer to the "Are NJS hubs forged?" thread, you'll learn that most hubs are either made by machining or "metalspinning". Both of these processes involve spinning the AL at high speeds and using tools to cut or manipulate the aluminum, thus changing the shape. This high RPM spinning plus the use of steel tools produces a small, but measureable, polarization of the Aluminum atoms within the hub. This polarization is minor when it is at rest, but as the RPM of the hub increases (when riding a built up wheel), it is exacerbated (plus the conduction along the steel spokes to the rim) enough to produce a magnetic gyroscopic precession effect with the earth's magnetic field. Normally, matching hubs provide equal and opposite forces to the frame, so that the rider can ride no-handed. On hubs with mis-matched polarity, these forces may not cancel each other out, and the rider can be tossed from the bike with very little warning once the "Gaussian Velocity" has been reached.
08-08-07, 09:17 AM
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Actually if the front and rear hub are mismatched, there can be polarity mismatches.
If you refer to the "Are NJS hubs forged?" thread, you'll learn that most hubs are either made by machining or "metalspinning". Both of these processes involve spinning the AL at high speeds and using tools to cut or manipulate the aluminum, thus changing the shape. This high RPM spinning plus the use of steel tools produces a small, but measureable, polarization of the Aluminum atoms within the hub. This polarization is minor when it is at rest, but as the RPM of the hub increases (when riding a built up wheel), it is exacerbated (plus the conduction along the steel spokes to the rim) enough to produce a magnetic gyroscopic precession effect with the earth's magnetic field. Normally, matching hubs provide equal and opposite forces to the frame, so that the rider can ride no-handed. On hubs with mis-matched polarity, these forces may not cancel each other out, and the rider can be tossed from the bike with very little warning once the "Gaussian Velocity" has been reached.
If you refer to the "Are NJS hubs forged?" thread, you'll learn that most hubs are either made by machining or "metalspinning". Both of these processes involve spinning the AL at high speeds and using tools to cut or manipulate the aluminum, thus changing the shape. This high RPM spinning plus the use of steel tools produces a small, but measureable, polarization of the Aluminum atoms within the hub. This polarization is minor when it is at rest, but as the RPM of the hub increases (when riding a built up wheel), it is exacerbated (plus the conduction along the steel spokes to the rim) enough to produce a magnetic gyroscopic precession effect with the earth's magnetic field. Normally, matching hubs provide equal and opposite forces to the frame, so that the rider can ride no-handed. On hubs with mis-matched polarity, these forces may not cancel each other out, and the rider can be tossed from the bike with very little warning once the "Gaussian Velocity" has been reached.
08-08-07, 09:17 AM
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"Gaussian velocity" can also occur if cross polarization harmonics are reached with another rider's wheels in close proximity, as in perchance a keirin race. The results are not pretty, as the opposing polarization states cause a strong magnetic attraction.
https://www.youtube.com/watch?v=frxfRdcPjVw
The trashed keirin frames were later Ebayed to unsuspecting hipsters in the States.
https://www.youtube.com/watch?v=frxfRdcPjVw
The trashed keirin frames were later Ebayed to unsuspecting hipsters in the States.
08-08-07, 09:54 AM
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08-08-07, 10:10 AM
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Actually if the front and rear hub are mismatched, there can be polarity mismatches.
If you refer to the "Are NJS hubs forged?" thread, you'll learn that most hubs are either made by machining or "metalspinning". Both of these processes involve spinning the AL at high speeds and using tools to cut or manipulate the aluminum, thus changing the shape. This high RPM spinning plus the use of steel tools produces a small, but measureable, polarization of the Aluminum atoms within the hub. This polarization is minor when it is at rest, but as the RPM of the hub increases (when riding a built up wheel), it is exacerbated (plus the conduction along the steel spokes to the rim) enough to produce a magnetic gyroscopic precession effect with the earth's magnetic field. Normally, matching hubs provide equal and opposite forces to the frame, so that the rider can ride no-handed. On hubs with mis-matched polarity, these forces may not cancel each other out, and the rider can be tossed from the bike with very little warning once the "Gaussian Velocity" has been reached.
If you refer to the "Are NJS hubs forged?" thread, you'll learn that most hubs are either made by machining or "metalspinning". Both of these processes involve spinning the AL at high speeds and using tools to cut or manipulate the aluminum, thus changing the shape. This high RPM spinning plus the use of steel tools produces a small, but measureable, polarization of the Aluminum atoms within the hub. This polarization is minor when it is at rest, but as the RPM of the hub increases (when riding a built up wheel), it is exacerbated (plus the conduction along the steel spokes to the rim) enough to produce a magnetic gyroscopic precession effect with the earth's magnetic field. Normally, matching hubs provide equal and opposite forces to the frame, so that the rider can ride no-handed. On hubs with mis-matched polarity, these forces may not cancel each other out, and the rider can be tossed from the bike with very little warning once the "Gaussian Velocity" has been reached.
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08-08-07, 11:27 AM
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My hubs/rims/tires rarely match and I've never been tossed unexpectedly from a bicycle by the earth's magnetic field. Not that I know of anyway. I wouldn't worry about it.
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08-08-07, 11:29 AM
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Ah yes, the halcyon days of youth....
Obviously you're not married, with kids and a mortgage...
I saw a bumper sticker on a car this weekend:
Driver carries no cash
He's MARRIED!
Obviously you're not married, with kids and a mortgage...
I saw a bumper sticker on a car this weekend:
Driver carries no cash
He's MARRIED!
