Shimano - BR-M640 ZEE bled I-spec-B compatible brake with post mount calliper, Rear
Overview
Easily controllable, high stopping power4-ceramic pistons in two different diameters
One-way bleed system: quick, easy and clean with funnel tool
Ergonomic 1.5 finger Servo Wave brake lever
Reach adjustable
2nd generation I-spec-B-B compatible
Optional: Ice-Tech brake pads