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Code: SM-RT80
Shimano Ultegra SM-RT800 Ice Tech FREEZA Centrelock Rotor
  • 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 Tech pads surface temperatures can drop from around 400 to 300 deg C, this provides great improvements in performance all round
  • FREEZA rotors allow the alloy core to extend out from the braking surface as a fins to the Centre-Lock mount adapter to providing added cooling
  • Ice Tech rotors achieve long pad life, less noise and less fade due to improved heat dispersion
  • Rotors are durable lightweight and rigid, using the proven Shimano Centre-Lock system giving increased strength and security with an easy set-up
  • Precision cut and drilled braking surface improves pad clearing while aiding cooling under high load
  • Large alloy spider is a highly rigid and lightweight support for the rotor surface
  • Super polished braking surface gives excellent braking performance
 
Myrkle These rotors are quite nice, the finish details are very nice, but more importantly they stop the bike with no fuss.
Mr Rouleau Easy to install. Great breaking power.
Mark Not only do they look great on the bike they do the job in all conditions
Alex Rotors are easy to fit (though no idea if I've actually tightened them to 40Nm!) and stop the bike.
Mr Laird Excellent discs. A bit more stealth than the black Dura-Ace versions. But again, quick delivery from Merlin. Check what size you need for your frame. Most road frames seem designed for 140mm at the rear. If you want to run 160mm then get the adapter that merlin sell.
Dr Hale First class disc, well cooled for long descents
Nic. No issues with discs, just as described. Can't fault.
sinnett177 Stunning rotors with straight out of the box performance. Be aware you do need quite a deep HG cassette removal tool to fit these. Mine was a tad too shallow, luckily by LBS had a deeper tool which sorted it. Happy with these, would recommend.
Steve Very easy to fit and bed in with old pads. As for whether they cope better with hard braking from high speed on long descents, I couldn't comment, I'm a very cautious descender that typically alternates between short squeezes of front and rear brakes! One star deduction for rotor rubbing from time to time, suggesting they don't run true, but oddly often remedied by pedalling out of the saddle for a few seconds.
Mr WONG Beautiful rotors. Have plenty of confidence when going down rapid decents.
Mr Perry Awesome rotors! You really can't go wrong with Ultegra products.