Shimano XTR SM-RT99 160 mm Center Lock Disc Brake Rotor
The Shimano XTR RT99 Ice Tech FREEZA, Centre-Lock rotor are durable lightweight and rigid, using the proven Shimano Centre-Lock system giving increased strength and security with an easy set-up. FREEZA rotor 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.
The precision cut and drilled braking surface improves pad clearing in muddy conditions while aiding cooling under high load.