BL-M4100 Intuitive and powerful braking Quicker brake engagement with shorter free stroke Rider tunable and action-optimized cockpit High-performance brake control Additional contact point for a stiffer brake lever 10 deg. rotation angle setting range for I-SPEC EV shifting leverBR-MT410 Long-lasting performance and quick Easy installation and adjustment Superior modulation gives you the power you need Quick piston retraction Lightweight 2-piston disc brake caliper Pre-assembled and bled brake lever and caliper, with SM-BH59-SS hose & mineral oil Without rotor and adapter One-way bleeding system Attributes Brake Material Aluminum Fluid Mineral oil Pistons 2 Lever Blade Material Aluminum Primary Color Black Caliper mount Post mount Disc Diameter Not included