вЂў Shimano disc brake systems are not compatible with tandem bicycles. Because tandem bicycles are heavier, the stress on the brake system increases during brake operation. If hydraulic disc brakes are used with tandem bicycles, the oil temperature will become too high and vapor locks or ruptures Hydraulic disc brake lever with alloy brake lever (BL-M365) Easy, quick and clean installation Experience SHIMANO hydraulic disc brake performance at reasonable price Multi condition, stable braking performance, of hydraulic disc brake Less noise Internal hose routing for clean appearance Long lasting good braking performance