Shimano RT-CL900 Ice Tech FREEZA rotor with internal lockring, 140 mm DURA- ACE

Dura-Ace grade RT-CL900 Ice Tech rotors providing consistent braking performance through energy control, using revolutionary stainless steel / alloy 3-layer sandwich construction that manages heat while riding
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 fin 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 Center Lock system giving increased strength and security with an easy set-up
Precision cut braking surface improves pad clearing in muddy conditions 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

rotor disc

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