Shimano 105 105 ST-R7120-L Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper – Left/Front 2x Flat Mount Black. Shimano 105 -ST-R7120 Dual Control Levers feature a revised lever position and bracket shape developed using data from a broad study of different hand shapes. Shifting is quick and intuitive to provide cyclists what is expected from Shimano 105. Thats combined with the all-condition confidence of a BR-R7170 flat mount hydraulic disc brake system ideal for road bikes.

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