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Uberbike CNC Alloy Finned Race Matrix Disc Brake Pads - XTR M9120 - XT M8120 - SLX M7120 N03A N04C 4 Piston
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2-piston or 4-piston? Testing & comparing Shimano's brand new XTR disc brakes - Singletrack World Magazine
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2-piston or 4-piston? Testing & comparing Shimano's brand new XTR disc brakes - Singletrack World Magazine
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