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Post by Deleted on Feb 13, 2016 13:15:44 GMT
Not being in possession of a vernier measuring thingummybob - how long would you run the same rotors? I'm a fat get and a pussy so mine get used a lot - into the 2nd year with em now - time to change or get a proper measurer and find out. Is it 1.5mm minimum thickness, or summat?
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Post by andy4d on Feb 13, 2016 13:38:59 GMT
Interested to hear these responses. With me about to fit the new brakes I am thinking the same.
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Post by andy4d on Feb 17, 2016 8:06:13 GMT
Guess no one really knows Zulu  . I have found out I need new rotors though since upgrading my deores to slx. Apparently shimano do a 'wide' rotor for the deores and all their other brakes take a 'narrow' rotor. |
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Post by hodgy on Feb 17, 2016 8:09:46 GMT
I've only ever replaced one rotor due to it being severely dented ...that's one in seven years !
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Post by Jimbo on Feb 17, 2016 9:02:52 GMT
I had to replace the rotors on the cube after 2 years but that was due to contamination rather than wear. If they are still smooth and stopping you then they are fine imo
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Post by step on Feb 18, 2016 11:55:52 GMT
Only replaced one under warranty after cooking it. generally they will be like car brake discs replace when thickness goes to x number of millimeters, so depends how hard an much you ride.
Also count in warping, scoring, bending or not matching the bike.
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Post by jgmu97 on Feb 18, 2016 15:44:42 GMT
Good way to test them is spin the wheel as fast as you can, then stick your finger in it... If your pinky gets chopped off as it passes into the caliper, shes still sharp enough and wont need replacing just yet...
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Post by roundie1981 on Feb 18, 2016 15:49:45 GMT
Good way to test them is spin the wheel as fast as you can, then stick your finger in it... If your pinky gets chopped off as it passes into the caliper, shes still sharp enough and wont need replacing just yet... Unlike your finger!!!! Lol |
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Post by macky on Feb 18, 2016 16:30:33 GMT
 Just gone through my second ice tec in a year, it had worn that thin the outer stainless braking surface began to peel away like tin foil. Still rate them as top notch stoppers though |
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Post by notsarkyadam on Feb 18, 2016 17:36:37 GMT
When modulation is excessive with new pads...
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Post by Marmite on Feb 18, 2016 19:39:09 GMT
Yeah but Pez yours will be fine you have to ride your bike for them to wear out :)lol
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Post by Deleted on Feb 19, 2016 7:39:42 GMT
Macky, I was looking at ice tech, but then saw a lot of people having the same issue as you. I know you ride a lot, but no way should you be getting through 2 rotors in a year. I'll probably go for the normal XT rotors, which seem to last much better. As for your comment Marmite, mincing around on a road bike in lycra doesn't count, so you can feck right off.  |
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Post by Marmite on Feb 19, 2016 8:37:58 GMT
Macky, I was looking at ice tech, but then saw a lot of people having the same issue as you. I know you ride a lot, but no way should you be getting through 2 rotors in a year. I'll probably go for the normal XT rotors, which seem to last much better. As for your comment Marmite, mincing around on a road bike in lycra doesn't count, so you can feck right off. lol |
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Post by lonner on Mar 19, 2016 15:59:10 GMT
If you want a true wear reading you need to use a micrometer..vernier gague gives a false reading as the worn disc will have a lip,which the vernier will measure. A mic wil measure the worn part.
ie car disc when you change the pads..you will have a lip on the outer edge.
the disc will usually have a min thickness stamped or etched on them..
the shimano ice discs have a small wear limit due to layers..
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Post by timbo on Mar 19, 2016 19:21:18 GMT
I just run the regular xt ones, i probably get 2-3000 miles out of them at least, and thats running cheap superstar sintered pads on large (200 and 180mm) rotors. They wear in an hour glass sort of shape across the brake track, i called time on them when the difference between the outside/inside of the track was about half a mm deeper than the middle, as it was wearing my pads unevenly and became hard to prevent them rubbing.
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Post by Deleted on Mar 21, 2016 7:11:57 GMT
I'm going for the XT rotors too, as to replace the Formula ones on the bike is piss take expensive.
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Post by andy4d on Mar 21, 2016 7:30:36 GMT
I just went for the slx rt64's as they were even cheaper.
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Post by notsarkyadam on Mar 21, 2016 9:28:57 GMT
The finned rotors are excellent... From Shimano... Not some cheap shitty company that only sells a lot cause it offers all things in pretty colours for pennies!..
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Post by roundie1981 on Mar 21, 2016 12:14:01 GMT
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Post by Rlo80 on Mar 21, 2016 13:13:22 GMT
i got the Uberbike Kevlar pads...good prices and their products look and feel quality, rotors included.
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Post by notsarkyadam on Mar 21, 2016 13:54:33 GMT
Nope you can get the RT99 finned Rotors as well... not the pads... |
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Post by notsarkyadam on Mar 21, 2016 13:55:57 GMT
i got the Uberbike Kevlar pads...good prices and their products look and feel quality, rotors included. not had Uber pads, but if they're as good as Superstar, i'd rather use my Ballbag between the tyre and reflector to slow me down... and yes i do have experience... of the poor quality, and braking method!! |
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Post by roundie1981 on Mar 21, 2016 14:06:26 GMT
Nope you can get the RT99 finned Rotors as well... not the pads... Didn't know that!! They look abit special |
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Post by notsarkyadam on Mar 21, 2016 14:07:48 GMT
Think theyre only available for Centerlock hubs though... I love Center lock rotors!!
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. I have found out I need new rotors though since upgrading my deores to slx. Apparently shimano do a 'wide' rotor for the deores and all their other brakes take a 'narrow' rotor.
