Thanks to the rough surface and rigid design, the Shimano ZEE lever offers safe braking performance for gravity cyclists. The BL-M640 lever is equipped with tool-free travel adjustment, SERVO WAVE ACTION and I-SPEC II compatibility.

- Short Servo Wave lever
- Ergonomic non-slip lever
- Excursion adjustment without tools
- Total rigidity
- I-spec compatible
- Weight: 116.7 g
- I-spec: Type-B
- Pipe joint: Flat joint
- Assembly type: I-Spec B-Type clamp
- Lever size (in fingers): 2.5 fingers
- Wave servo mechanism: Yes
- Position: Left