PRESS RELEASE

Shimano Brings Ice Technology Freeza to Their 6-Bolt Mounted Rotors

Shimano's Ice Technologies Freeza rotors have been available in their CenterLock format for a while now, but users of 6-bolt hubs were left out until the cold. Today, Shimano has announced that the same technology will be available in the 6-bolt pattern, with an estimated availability of "Early 2022" (thanks COVID). Read on for all the details from Shimano directly.


Recognizing rider demand for better heat dissipation, Shimano introduces the long-awaited addition of a 6-bolt rotor option with ICE TECHNOLOGIES FREEZA construction. Already proven in World Cup and EWS competitions this season with the Santa Cruz Syndicate and Rocky Mountain Race Face Enduro teams, the new RT-MT905 rotor delivers massive heat management benefits without increasing rotor diameter or thickness for the ultimate in lightweight, cooling performance.

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Shimano ICE TECHNOLOGIES FREEZA rotors offer an incredible 150°C (270°F) reduction in heat build-up when compared to standard stainless-steel rotors. This allows riders to use smaller rotor options that offer greater ground clearance and lower overall weight, all while maintaining reliable, consistent braking performance under all conditions.

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Earlier this year, Shimano responded to rider demand for greater heat dissipation at a high value price and added a larger 220mm stainless steel rotor option for CENTER LOCK and 6-bolt hubs (SM-RT64/SM-RT66). Now, the catalog is expanded again with the new RT-MT905, allowing racers and riders requiring 6-bolt rotors to benefit from premium ICE TECHNOLOGIES FREEZA cooling performance and run smaller rotor sizes with even better levels of heat management. Available in both 180mm and 203mm options, the new RT-MT905 rotor delivers unprecedented cooling benefits in a 6-bolt rotor option.

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RT-MT905 6-Bolt Rotors

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  • 6-Bolt Mounting Type
  • ICE TECHNOLOGIES with FREEZA
  • Availability: Early 2022

Size/Weight/MSRP

  • 180mm/130g/$85.99 USD
  • 203mm/170g/$94.99 USD

Proprietary 3-Layer Construction

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An extra layer of heat protection, ICE TECHNOLOGIES FREEZA rotor construction uses a proprietary three-layer sandwich design with exposed radiator fin. Together with the heat dissipating paint, FREEZA rotors deliver supercooling forces for even more reliable braking performance and lighter operation in all riding conditions. ICE TECHNOLOGIES FREEZA rotors provide consistent braking performance with longer pad life, less brake fade and noise.

  • 150°C (270°F) Overall Heat Reduction
  • 10% longer pad life (When compared to stainless steel rotors)
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Comments

cornedbeef
0 Jotegir IslandLife

Ice Tech Freeza rotors: the only rotors that cost about 100 a piece and last on average 7 months for road riders until they are at their "minimum rated thickness". They are ridiculously easy to knock out of true and everyone considering this engineering marvel should watch this before dropping 200 bucks on rotors.

https://youtu.be/utMchnpW1vo

Reply

andy-eunson
+2 IslandLife JVP YDiv cornedbeef

Except that the minimum thickness for both the icetech  and full steel Shimano rotors is 1.5 mm. So they last the same amount of time. My experience is that Icetech are less susceptible to warping and the same for bending from hitting things. But you do have to be more cautious when trying an Icetech rotor because the softer aluminum core can be dented more easily if you get a little ham fisted with the trueing device. I like the Peak Torque channel. Sometimes he’s wrong though.

Reply

YDiv
+1 Andy Eunson

If I can give a suggestion, try bending it back by hand (with a clean shop towel in between!). I've found that it helps to reduce the chance of creating any kinks because the area that you apply the force over is a lot bigger.

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andy-eunson
0

Good idea. I used to have a plastic SRAM rotor truing tool but it snapped after quite a few uses. Might make one from wood one day.

Reply

JVP
+2 IslandLife Andy Eunson

I've actually had better luck with Icetech (haven't tried the fancier freeza) rotors staying true than one-piece steel, which always seem to magically get warpy on me. I run Icetech with my Codes because that's what I had laying around.

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YDiv
0

Huh really, can't say I've been as lucky. Was too used to Centerlines and applied the same amount of force to bend an Ice-Tech rotor back, which did not go well for me... I think I tried for another half hour bending back and forth and eventually gave up.

But when Ice-Tech rotors are straight, they work well, so no complaints there.

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DancingWithMyself
0

The WD-40 decal caught my eye and piqued my curiousity.  Assuming they make a chain lube or some other bike specific products?  Anybody know the story on that?

Reply

pete@nsmb.com
0

They've made bike-specific products for a while now. More here: https://wd40.ca/bike/

Reply

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