Disc Brake Rotor - SHIMANO DURA ACE / XTR series, RT-MT900 140mm Disc Rotor for MTB and Road bicycles, with a diameter of 140mm. Made of stainless steel and an aluminum core with a cooling fin for immediate heat dissipation and reduced wear. The Ice Tech Freeza technology disc reduces heat buildup in the braking system and ensures high braking stability.

Features an External Serration Lock Ring compatible with thru axles and is suitable for Resin & Metal pads.

• Compatible brakes: BR-M9100, BR-M9120, BR-M9000, BR-M9020, BR-M8100, BR-M8120, BR-M8000, BR-M8020, BR-M7100, BR-M7120, BR-M7000, BR-M6100, BR-M6120, BR-MT520, BR-MT420, BR-M820, BR-M640, BR-S7000, BR-S700