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Buell Forum » XBoard » Archive through February 25, 2011 » Erik Buell Racing front rotor bolt kit « Previous Next »

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Joel9
Posted on Monday, February 07, 2011 - 08:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i'm doing up a spare front wheel. looking at the ebr rotor bolt kit, it does not have the little springs like the stock mount. ok to use for the street? thanks
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Rah7777777
Posted on Monday, February 07, 2011 - 11:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I wondered about that one myself...
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Joel9
Posted on Monday, February 07, 2011 - 11:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Froggy pm'd me and said they would work. i wonder if the rotor would be "floating" with this set up?
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Hammer71
Posted on Tuesday, February 08, 2011 - 01:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No it doesnt "float" anymore. Direct contact to the rim which acts as a heatsink. From Erik Buell Racing themselves
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Froggy
Posted on Tuesday, February 08, 2011 - 01:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I didn't get a chance to post as I was running out the door when you emailed me about this.

Anyway, yes it does not float anymore. Like Hammer said, it improves heat transfer from the rotor into the rim to allow better cooling for race conditions.

They will work fine on the street, in fact may even help prevent "pulsing" that can happen if the rotor springs get plugged up with brake dust.

The best part is, it is cheaper than the stock spring based kit that you can get from Harley, so its a no brainer. : )
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Joel9
Posted on Tuesday, February 08, 2011 - 08:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks you guys.
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Hughlysses
Posted on Tuesday, February 08, 2011 - 09:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't think it's correct that the new setup doesn't float at all, it just doesn't float as much as the OEM arrangement does. It still has slots in the rotor and it uses Belleville spring lock washers under the bolts. This will allow the rotor to move relative to the wheel: i.e.- "float". It's just maintained in better contact with the wheel casting so heat transfers better.
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Court
Posted on Tuesday, February 08, 2011 - 09:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

>>>I don't think it's correct that the new setup doesn't float at all, it just doesn't float as much as the OEM arrangement does.

Precisely the way I understood it . . . don't know if that's correct but I **think** it is.
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1324
Posted on Wednesday, February 09, 2011 - 07:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm with Hugh and Court on this one. The slots are for radial thermal expansion, and the belleville springs handle axial expansion and 'float'.

Another plus to the hardware kit is that it is technically reusable for street riders. As long as you don't really heat the fasteners to the point of discoloring, you're safe to reuse. Also, I've found the rotor to be MUCH easier to install with the new kit. The old kit, while not difficult per se, definitely took a bit of finesse the first time I reinstalled a rotor.
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Coops53233
Posted on Wednesday, February 09, 2011 - 11:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1 on the Erik Buell Racing rotor kit. I replaced the rotor and pads at the same time, so I cant say whether the new hardware made a big difference, but I can say the whole package has been great for street use. It was also somewhat easier to install the rotor w/ the Erik Buell Racing hardware than the spring setup.
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Joel9
Posted on Thursday, February 10, 2011 - 12:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks again everyone! i just ordered the kit.
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Jasonb
Posted on Thursday, February 10, 2011 - 09:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1 on Erik Buell Racing hardware. I ordered a 6mm rotor and the mounting hardware. I haven't had the chance to ride it (it was -3 this morning), but I feel it is a superior system with the belleville washers instead the springs.

My engineering $0.02 anyways
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