TheShimano Saint M820 I-Spec-B Compatible Left Hand Disc Brake Leveris performance optimized with full adjustability on the fly. The short stroke Servo-Wave mechanism allows for quick pad engagement and more power for aggressive riding. Excellent clearance at the calliper has enabled Shimano to use a short stroke Servo-Wave mechanism. As the brake lever is pulled a cam linkage enables rapid pad to rotor engagement, at the point of contact the cam moves across multiplying the leverage ratio and increasing the stopping power. Shimano Saint M820 I-Spec-B Compatible Left Hand Disc Brake LeverFeatures Adjustable free stroke enables you to fine tune the amount of lever pull before pad and rotor engagement...
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