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Discussion Starter · #1 ·
I do AM biking and I ride a 08 GT Avalanche 3.0 Disc. I have mech disc brakes.

1. What will happen if I put 203 mm rotors in the front of my bike even though the max rotor size for my forks are 185 mm?

2. Are these good rotors, Alligator Cirrus?
http://cgi.ebay.com/Alligator-Disc-...0QQitemZ190288563945QQcmdZViewItemQQptZCyclin g_Parts_Accessories?hash=item2c4e150ee9&_trksid=p3286.c0.m14&_trkparms=65%3A15|66%3A2|39%3A1|240%3A1318|301%3A1 |293%3A1|294%3A50#ebayphotohosting

3. Will 180 mm rotors in the front and back be too much for a 130 pd rider? or should I just do 180 in the front and 160 in the rear?

Thanks!
 

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1.) If you go with too big rotors the fork may flex more than what it is designed for.

2.) Alligator rotors are not bad but i'd rather stick with the manufacturers rotors.

3.) If you weight 130 lbs, a couple of 140s should be enough ;), but serious now, I do AM riding, some free riding lots of XC, I run 185mm front and 160mm rear and it's fine. I weigh 190 lbs in riding gear and these are more than enough.
 

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Discussion Starter · #3 ·
Alright, just for when I get heavier, i'll stick to 180 in the front and 160 in the back becuase I can't find 140mm Alligator Cirrus Rotors anyways.
For my brakes, I have Tektro Io's so Tektro anyways doesn't make good looking rotors.
 
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