Iíd like to complain about brake rub.
I have some Avid CRs. I have 185 front and rear. They rub. I adjust and bleed. They donít rub in the shop. They donít rub in the garage. I do a good downhill (West Ridge in Redwood Park, Oakland, CA), I still got rub. Maybe I have fade and heating up and frame flex and whatever else. So, bleed, adjust, lather, rinse, repeat. Still rubbing. I give up. I ask you guys about these brakes and those brakes. You are all very helpful, and I thank you. I settle on Formula RXs. Then a set of XTR brakes show up on eBay for $225 (no rotor). Heck, I figure, how wrong can you go with XTR? Everything else I have thatís XTR works like itís supposed to.
So I get the brakes today. Hurray! I canít put them on yet because I donít have any rotors. (Note that Avid sells 185 rotors and Shimano sells 180 rotors.) Iím reading about my new brakes, deciding between 160 and 180 or a combination. And look here what Shimano says:
The 203 mm and 180 mm rotors have a larger diameter than the 160 mm and
140 mm rotors for cross-country bicycles, and so the flexing of these rotors is
greater. AS A RESULT, THEY WILL INTERFERE WITH THE BRAKE PADS.Ē (emphasis added).
How about that? A manufacturer is telling it to me straight. Big rotors get in the way. Who knew?
New dilemma: do I spend the money on 160s for the Avids or the Shimanos?
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