| 摘要 |
In on embodiment, a brake system of bicycle including left and right brake levers, front and rear wheels, a front disc brake, and a rear disc brake having a first unit and an independent second unit, the brake system includes a hydraulic line interconnected the right brake lever and the first unit; and a Y-shaped hydraulic line having a first branch connected to the left brake lever, a second branch connected to the front disc brake, and a third branch connected to the second unit. Pressing the right brake lever will actuate the first unit via the hydraulic line to brake the rear wheel, and pressing the left brake lever will actuate the front disc brake via the first and second branches to brake the front wheel and actuate the second unit via the first and third branches to brake the rear wheel respectively.
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