NEW Shimano XTR RT-MT900-M Disc Brake Rotor - 180mm, Center Lock, Silver/Black type_kids-bikes E: Seat Tube Length (IN):

E: Seat Tube Length (IN): 12

ANT+ FE-C and Bluetooth compatible

Roadbike chain guide

Intended use: hardpack

Max Ring (teeth): 50

NEW Shimano XTR RT-MT900-M Disc Brake Rotor - 180mm, Center Lock, Silver/Black type_kids-bikes E: Seat Tube Length (IN):The 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