matheprat Posted July 27, 2005 Report Share Posted July 27, 2005 Are wavey and straight disc rotors interchangeable? I mean, to change from a straight rotor (to wavey) of a particular size, would you have to get a slightly smaller wavey rotor? As the bumbs on the wavey rotor would be larger than the diameter of the straight disc. Or doesn't it work like this? Cheers Quote Link to comment Share on other sites More sharing options...
philking Posted July 27, 2005 Report Share Posted July 27, 2005 No the size of the rotor would be measured to the largest diameter... ie from the tip of a bump, to the tip of the opposite bump. Therefore same size are interchangable. Quote Link to comment Share on other sites More sharing options...
downhill_rob2@hotmail.com Posted July 27, 2005 Report Share Posted July 27, 2005 In the wavey rotors, the waves are cut out of the rotor, not added onto the outside of the rotor, therefore making the wavey rotor (160mm) is exactly the same as the straight (160mm) :) Quote Link to comment Share on other sites More sharing options...
yoyoyo Posted July 27, 2005 Report Share Posted July 27, 2005 does it make any difference having a wavy or straight rotor Might sound a bit stupid but i have always had v's or maguras, and thinkin of going on to disk Quote Link to comment Share on other sites More sharing options...
Impacted. Posted July 27, 2005 Report Share Posted July 27, 2005 With wavey rotors you're supposed to get some tiny amount more braking power (something like 5%) and they cool down faster, which is a bit pointless for Trials where the rotor doesn't heat up much. They look cool though, especially the Aztec ones. Quote Link to comment Share on other sites More sharing options...
yoyoyo Posted July 27, 2005 Report Share Posted July 27, 2005 cheers Quote Link to comment Share on other sites More sharing options...
loffa Posted July 27, 2005 Report Share Posted July 27, 2005 (edited) IMO straight rotors are better for trials, because you have more pad contact area with them which means better braking. All that wavy rotor does is puts air moving between pads and thus gives your brake better ventilation, but in trials you hardly ever brake from a big speeds. For example, before when I had the wavy 180mm Louise FR rotor my brake wasn't very good and I was considering getting a hope trials front brake. But about a week ago I swapped my rotor with a mates 180mm straight Magura rotor, which was just hanging on his wall doing nothing(actually he had built a clock from it :) ). And when I had put it on, cleaned the pads and rotor and did a few stoppies down a hill, to bed the brake in again I was like holy shit, my brake has never been so good before! Ofcourse it can be different rotor materials or something, but I think that all magura rotors are the same material. Edited July 27, 2005 by loffa Quote Link to comment Share on other sites More sharing options...
yoyoyo Posted July 27, 2005 Report Share Posted July 27, 2005 cool, il look at straight rotors then cheers, joe Quote Link to comment Share on other sites More sharing options...
ghosts_cloak Posted July 27, 2005 Report Share Posted July 27, 2005 IMO straight rotors are better for trials, because you have more pad contact area with them which means better braking. All that wavy rotor does is puts air moving between pads and thus gives your brake better ventilation, but in trials you hardly ever brake from a big speeds. ← Im not sure Mr Leeson would agree with that, having not tested it though I have no idea if it works! See this ~Gareth Quote Link to comment Share on other sites More sharing options...
loffa Posted July 27, 2005 Report Share Posted July 27, 2005 I'm not sure either, but that's just my experience. Quote Link to comment Share on other sites More sharing options...
Will Arnold Posted July 27, 2005 Report Share Posted July 27, 2005 I'm not sure either, but that's just my experience. ← the reason for your brake being good is because you cleaned the pads + rotor? just a thought! Quote Link to comment Share on other sites More sharing options...
RyanRs Posted July 27, 2005 Report Share Posted July 27, 2005 Im not sure Mr Leeson would agree with that, having not tested it though I have no idea if it works! See this ~Gareth ← i wouldnt agree neither... as with a wavey disk, the pads will grip onto the edges of the disk and lock better. more pad contact off straight disks is usually better for modulation. the wavey disk will also help to clear glazing off your pads too. this is simila to grinds on rims, it gives loads of little edges for the pad to grip on to. Quote Link to comment Share on other sites More sharing options...
Rob Thomson Posted July 27, 2005 Report Share Posted July 27, 2005 This could be slightly wonky for a while as your pads will have been worn down from a normal rotor (or wavey) but if you change for the other then the pads will be worn down differently and may not work properly.. Much like filing a peice of metal...file one direction for a while then file another way and it feels odd then goes back to feeling and filing correctly... If you understand me but it should feel ok eventually...or new pads... Quote Link to comment Share on other sites More sharing options...
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