Shimano XT M8120 Disc Brake Set 4-Pistol. Model: BR- M8120 (left-front+right-rear). Shimano XT RT86 Ice-Tec Rotors 160MM/180MM 203MM. In addition, the design with 4 pistons reduces disc brake rotor wobbling noise and increases the braking power by 10 % compared to the BR-M8020 caliper.
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