NEW Shimano XTR RT-MT900-M Disc Brake Rotor - 180mm, Center Lock, Silver/Black clincher 14T lower) allow for smooth

14T lower) allow for smooth chain running and secure retention

Dimensions Internal: 45 x 28

updated master cylinder and timing port closure

Front Derailleur Cable Pull: Electronic

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NEW Shimano XTR RT-MT900-M Disc Brake Rotor - 180mm, Center Lock, Silver/Black clincher 14T lower) allow for smoothThe Shimano XTR RT MT900 disc brake rotor offers stable and versatile brake performance in the most demanding MTB conditions. Center lock design Incorporates Ice Technologies FREEZA construction for superior heat dissipation Alloy lockring included Compatible with both metal and resin brake pads Anodized aluminum Rotor Size (mm): 180 Hub Disc Compatibility: Center Lock Disc Pad Compatibility: All Pad Compounds Weight: 131 Rotor Type: Two Piece