Shimano Zee BL-M640-B Hydraulic Disc Brake Lever.I-spec compatible.
Short Servo Wave lever. Ergonomic anti-skid lever. Tooled reach adjustment. Total designed rigidity.

FEATURES:

• Servo wave actuation allows for more pad clearance, quick initial pad travel, and more power
• MC/lever assembly does not include tubing
• Designed for use with Shimano brand mineral oil (no DOT fluid)
• Brake Lever Actuation: Hydraulic
• “-B*” MC/Lever assemblies are 2014+ models. 2011-2013 model year i-spec shifters will not be compatible with these assemblies

SPECS:

• Left Lever Only