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Like the SM-RT81, the SM-RT68 Ice-Tech rotors (160, 180 and 203mm) have a sandwich structure of an aluminum core embedded in 2 stainless steel layers. The higher heat dissipation of the aluminum helps to reduce the surface temperature of the rotor by around 100 degrees Celsius.
Optional Ice-Tech brake pads with aluminum cooling fins can reduce the brake pad surface temperature by another 50 degrees. The result is high stopping power and practically no signs of fading!
Centerlock Disc not compatible with IS2000 disc rotor mount (6 hole system)
The 180/203mm disc requires a special adapter. Please do not exceed the disc specifications of your fork/frame.
A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).
Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.More information on returns