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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through August 11, 2009 » Front rotor options « Previous Next »

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Fresnobuell
Posted on Friday, July 31, 2009 - 01:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks like the 2 options beside the stocker are listed below. Looks like the finned rotor is the latest and greatest as it appears to be the rotor of choice on the 1125RR. I also like it because it surely weighs less as it's 5mm versus 6mm in thickness. Any opinions from my fellow Badwebbers on which one you would choose? Also, what the heck does "perimeter-finned" mean?

http://a1264.g.akamai.net/7/1264/1354/afcfbbd0c3da d9/www.buell.com/en_us/_media/pdfs/gear/BuellRetai lCatalog_en_US.pdf

Page 4 in catalog

E. Front Brake Disc
• 6mm thickness, as used on XBRR, in MotoGT and by
successful 1125R® motorcycle racers
H0201.06AH $149.95


Page 35 in catalog

A. NEW Front Finned Rotor Kit, 5mm, Drilled
Designed using Computational Fluid Dynamics and tested
extensively on the race track, this new perimeter-finned
brake rotor reduces brake temperatures and improves both
feel and stopping power.
H1201C.02A8 $235.00
Fits ’03-later XB, 1125R®/CR™ models
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Trojan
Posted on Friday, July 31, 2009 - 04:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Or there is the Braking 'Wave' pattern front rotor that has been around for a while and has proved on road and track to be great at reducing brake temperature, improving brake power (especially in the wet) and resisting the dreaded brake warp. This is even cheaper than the Buell option at around US$240 : ) This fits both XB and 1125 models.

http://www.trojan-horse.co.uk/prods/128.html



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Exnorton
Posted on Friday, July 31, 2009 - 06:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My guess is the half moon notches in the inside "perimeter" the 2 closest together kind sorta look like a fin? Hey that's my story and I'm sticking to it.
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Fresnobuell
Posted on Friday, July 31, 2009 - 01:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks like the RMR bikes are using the new perimeter finned discs as well, so it does look like those are the weapons of choice.

BTW, I think I figured out what perimter-finned means. The disc is wider (not thicker) than the stock disc and essentially sticks out of the caliper forming what is termed a "fin" between the caliper and wheel rim. I am sure this is for additional cooling of the disc.
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