Sealey MS098 Motorcycle Brake Bleeder - Weighted One-person bleeding/servicing of hydraulic brakes and clutches. The kit utilizes a small weighted non-return valve and a connector hose that attaches to the scooter or motorcycle bleed nipple. As the brake/clutch are bled, the valve prevents the used fluid and air being drawn back into the system. One-person bleeding/servicing of hydraulic brakes and clutches The kit utilizes a small weighted non-return valve and a connector hose that attaches to the scooter or motorcycle bleed nipple As the brake/clutch are bled, the valve prevents the used fluid and air being drawn back into the system Model No MS098