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  • Shimano XT-Saint RT86 Ice-Tech 6-Bolt Disc Rotor
  • Shimano XT-Saint RT86 Ice-Tech 6-Bolt Disc Rotor
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203mm
160mm
180mm
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Shimano XT Disc Rotor Ice Tec RT86

SM-RT86 Ice-Tec rotors give excellent performance made from a stainless steel / alloy 3-layer sandwich construction that manages heat while riding.

Features:

  • The clad steel / alloy / steel rotor construction allows heat generated from braking to radiate quickly through the aluminium core achieving surface temperature drops of around 50 deg C. When used with Ice-Tec pads surface temperatures can drop from around 400 to 300 deg C, this provides great improvements in performance all round
  • Ice-Tec rotors achieve long pad life, less noise and less fade due to improved heat dispersion
  • 6-bolt mounting system
  • Rotor contact surface has been developed for excellent pad clearing and cooling which increases pad performance and life
  • Large forged alloy spider supports rotor surface, increasing rigidity and reducing weight

Buy Shimano Spares from Chain Reaction Cycles, the World's Largest Online Bike Store.

 

  • Colour: Silver
  • Diameter: 203mm, 160mm, 180mm
Rated 4.9 out of 5 by 44 reviewers.
Rated 5 out of 5 by Simply amazing Used in conjunction with the ice tec pads, these discs are a no fade option. You get to go down a disc size and reduce a wee bit of weight too, because you get the same braking power returns as a bigger disc would offer because the heat absorption through the alloy sandwich disc and the heat sink pads take out more than a bigger disc can. 13 August 2014
Rated 5 out of 5 by So well made You've just got to love Shimano gear. This was supplied boxed, with bolts and lock-washers. Installation was a breeze. Ice-Tech is brilliant. 06 August 2014
Rated 5 out of 5 by Nice*** Exactly what I requested in a disc, great stopping power matched with XT m785 I spec B 06 August 2014
Rated 5 out of 5 by Awesome Discs These brake discs are amazing, great quality, & got a fantastic deal from CRC. 31 July 2014
Rated 5 out of 5 by Great Product Bought these to go with my new XT levers. Amazing.. Really great stopping power in wet and dry. 24 July 2014
Rated 5 out of 5 by Great components Great looking disc rotors, good performance, easy installation, good value. 21 July 2014
Rated 5 out of 5 by Awesome rotors Only used on short ride, with little bedding in, but stopped me like a wall! 15 July 2014
Rated 5 out of 5 by Best rotor I've used so far Great rotor .. effective heat management .. great stopping power 15 July 2014
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16 Questions : 38 Answers

Product Q&A

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4 answers

Will this work with sintered pads?

I have Shimano M446 brakes, but using aftermarket sintered pads. Will this rotor fit the calipers? I measured the calipers and mounts and found out that any floating rotor rivets will rub somewhere. Since these are not floating but still have rivets will it rub anywhere? And are these suiteabale for use with sintered pads?
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8 months ago
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Answer: 
Yes they will
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Answer: 
Using Shimano calipers with RT86 rotors will be fine. Although designed to work with Ice-Tech pads for maximum effectiveness, other sintered pads should function ok.
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Answer: 
With no trouble whatsoever!
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7 months ago
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Answer: 
These rotors are suitable for use with a sintered pad.

With regard to fitment, they will fit any Shimano brake caliper so you should not have any trouble with fouling.

Some riders will find that the fouling from floating rotors occurs on their brake mount due to frame design or the spacing required to centre the caliper.
8 months ago
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Answer: 
Sure
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4 months, 4 weeks ago
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Answer: 
Yes. I bought the calipers and the rotors together. Just be sure to buy the right adapters for the calipers for your frame and rotor size.
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4 months, 3 weeks ago
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Answer: 
Yes)
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Answer: 
If these are the finned brake pads that come with the M785 Brake levers then yes you can. It's pointless spending extra on the rotors and not having the appropriate brake pads ;-). Some kits are sold with/without finned pads.
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5 months, 4 weeks ago
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Answer: 
Yes, it comes with 6 bolts
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Answer: 
I thinkI so, but you'd rather ask the tech department
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Answer: 
Yes it does.
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3 answers

About the this Rotor

Hi guy's how are you. Can you help me I want to buy this Rotor and next shimano xt disc brakes I did buy rotor and xt for the rear and now I want to buy for the front and I don't now which size will be good 160 or 180 I did buy from you rockshock xc32 2014 it's 100 mm but can go to 120 mm air shock really nice. So please can you help me and tell me which size is good to buy the rotor 160 or 180?
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4 months, 2 weeks ago
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Answer: 
Logan, sounds like a 160mm rotor would do the job on your bike, but Monni's advice is sound as a 180 up front would give you more braking options and would add nothing noticeable in additional weight over the 160s. So, on balance, go for the 180s.
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Answer: 
I'm 6 feet tall, weigh 180 lbs. I have 180's in the front and 160's in the rear running with XT brakes on a all mountain WFO and could not ask for anymore bite. XT's with Ice Tech is such a good combo.
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Answer: 
I'd recommend 180mm up front, I'm not particularly heavy for my height/build and my bikes aren't on the heavyweight side of the scale either. It gives you options without using/locking up the back all the time. I'd always made do with 160mm on a xc front brake (shimano) but it would heat up a bit on long descents etc. Make sure you have the finned (ice-tech) brake pads too or you're wasting money on these rotors.
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3 answers

Compatibility

Hi,

Is this rotors cane work with Formula RX brakes?

Is anybody had a experiance?

Thanks
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2 months, 1 week ago
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Answer: 
I can tell you that these are working perfectly with my R1 brakes so I would imagine you will have the same success with the RX brakes.
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Answer: 
This rotor is designed to work with Shimano’s Ice-Tec Disc Brakes to provide optimized braking performance with Shimanos Disc brake calipers and Ice-Tec brake pads. We would recommend that the customer with Formula Disc Brakes purchase and use appropriate models of Rotors that Formula have developed their disc brakes with. I.e you should be purchasing Formula Disc Brake rotors for their brake.
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Answer: 
Hello there ,

It will work on any brakes..
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2 answers

will these fit easton haven 29er wheels

I read a forum recently saying that these rotors don't fit on the easton haven 29er wheelswheels.something to do with lugs. I've just bought a set of these wheels from u and was wondering if this is true before I decide what disc to buy. I'm running xt brakes
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Answer: 
If you like fixing a suitable.Forк- Manitou Minute
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6 months ago
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Answer: 
The Easton Haven 29er wheels run an ISO 6-bolt rotor mount, so these RT86 rotors should fit fine. I don't see any reason why the lugs on the hub would interfere with the rotor or rotor rivet points, but if you do encounter a problem you can of course return the rotors to us for refund.
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these should work with my elixir 3's right?

i'm one of many people with an on-going mission to shut my extremely irritating banshee-esk elixirs up... any tips appreciated :)
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Answer: 
This would be a Common Problem with Brakes but unfortunately no, you would be recommended sticking with Avid Rotors as the braking surface on the Rotors varies from Brand to Brand so, the RT86 Rotors would only be recommended for Shimano Disc Brakes.

I have listed some Rotors below that you could have a look at.
 
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Answer: 
I have been using xtr rotors with avid juicy ultimate brakes with no problem! I have coolstop and swisstop pads.
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2 answers

Will it work on Shimano Deore M615 brakes?

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Answer: 
For sure!
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Answer: 
This disc rotor will work perfectly fine with Shimano Deore M615 brakes.
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2 answers

Compatibility

Will these work with Shimano BR-M505 disc brakes?
Is the spacing between center lock and 6 bolt the same? I'm upgrading my wheels from old worn out Shimano Deore center lock Hubs to nice new hope pro Evo 2 6 bolt hubs custom built wheels from CRC and I want to be sure everything will line up? I will be buying the Ice tec rotors with the hope pro 2 evo hubs.
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Answer: 
It will work with no problem
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Answer: 
Yes, 6-bolt and C-lock rotors both provide the same braking point location for the calipers. These RT86 rotors should be fine to use with your M505 system.
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Answer: 
Shimano Ice-Tech rotors are designed to be used with Shimano XT and Saint brake calipers; using these rotors with Avid brakes is not advised due to variation in spacing.
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Answer: 
I have been using avid juicy ultimate brakes with xtr rotors for years! i use coolstop and swisstop pads. No trouble at all!
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