Anyone drill their rotors out?- Mtbr.com
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  1. #1
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    Anyone drill their rotors out?

    So I bought new Avid BB7's and they came with the roundagon rotor - a large piece of steel. I was going to buy Alligator rotors for 35 bucks, but then I wondered - why not just drill a few equally spaced holes in the rounadagons? I could use the 35 bucks for beer. Anyone do this?

  2. #2
    Weekend Warrior
    Reputation: daleksic's Avatar
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    I was thinking about it at one point, but if you want to save weight you should have looked at 140mm rotors instead. It's not worth it. You are just going to loose braking power. Plus the roundagons are prone to warping even if they are not drilled.

  3. #3
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    There was a guy on a french forum did this a while back to some XTR rotors.

    They didn't last very long once he'd done it.

    Splash out $35 on some rotors - give up the beers and loose more weight

  4. #4
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    Sounds like playing with fire.

  5. #5
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    You would lose more weight on your rotors to eliminate 3 of the 6 bolts holding them to your hubs, plus it would be safer and not compromise your rotor. Unless you are downhilling, it still works well.

  6. #6
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    I assume the roundaon rotors are stainless steel, you might be surprised how much a drillbit that can actually make holes in that rotor will cost.

    I hear the roundagon rotors suck anyways for whatever reason, but saying that, I would drill mine ... more holes won't ruin the rotor.

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