Hayes Post Disc Brake Adaptor Post Mount Frame +43mm typically 203mm Rotor Diameter ModelNumber=K3712 Precision full-complement sealed cartridge bearings

Precision full-complement sealed cartridge bearings

Dual Pivot design with an external centering adjuster and proprietary pad compound offers powerful braking in all conditions

Made out of 6061-T6 aluminum

37 Spindle Interface Type FSA MegaExo 19 Weight 50 BB Shell Width (mm) 68 BB/Frame Interface English

Tooth Count 53 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 130 Color Black Defined Color Black Material Aluminum

Hayes Post Disc Brake Adaptor Post Mount Frame +43mm typically 203mm Rotor Diameter ModelNumber=K3712 Precision full-complement sealed cartridge bearingsHayes Post Disc Brake Adaptor for Post Mount Frame +43mm typically for 203mm Rotor Diameter. Disc brake adaptors to fit standard post mount brakes to a variety of fork and frame mounts. Includes mounting bolts TECH SPECS Brake Caliper Type Post Mount Mount Rotor Size 160 Post 203 Rotor Weight 22