Spare original Magura bolt in bleed port Magura EBT for disc brake levers Magura MT (all models) and also for levers Magura HS33, HS33 R, HS22 and HS11. Small bolt is made from Carbotecture® and supplied with small sealing o-ring which keeps the fluid inside the braking system. BE AWARE! Tightening torque of this bleed port bolt is max. 0,5Nm, or you can damage it!