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160mm 6-bolt Ice-Tech Rotor
Aluminum core construction
Lowers operating temperature
Resists power fade
Increases pad life
(IS): 6-bolt/44mmBCD International Standard, (CL) 35mm CenterLock spline-mount (note: Saint-M800 47mm Oversized-CenterLock spline-mount rotors and lockrings have been discontinued) All rotors include hardware: either 6-bolt or CenterLock lockring+washer (lockrings for thru-axle applications available separately) RT98 CenterLock rotors are for XTR applications and utilize a bonded steel-over-aluminum "Ice Tech" design with an aluminum spider/carrier for decreased weight and improved heat dissipation (replacing RT97/96 versions) RT79 CenterLock rotors are for Saint/XT-level applications (replaces RT78/77 versions) RT76/75 6-bolt rotors can be used with all Shimano disc brake systems: XTR,Saint,XT,SLX,LX,Deore,etc. (note: the newer RT76 rotor uses a lightweight 2-piece design with a 5-arm aluminum carrier and a stainless steel rotor) CenterLock lockring/washer applications: (QR) for quick-release hubs, (TA) for thru-axle, and (F or R) for front or rear when applicable model: XT-M785 ice tech description: IS-rotor kit (RT86S) size: 160mm