oil seal, universal type, suitable for all Shimano integrated brake systems!

The plug can be removed by pulling the oil bag with a screw to avoid the problem of not removing it. It is suitable for most new brake models, but not for the old XT985.

Diaphragm 
*Material: Rubber

*Color: Black (As Pictures Show)

*Weight: About 1g 

*Size: OD 12mmxL 37mm

Package Includes:

1 x Bicycle Brake Lever Diaphragm

The disassembly and assembly positions of the oil bag fixing screws are as follows:
What is the concave side of the new brake lever

The old model is inside the clamp ring