Formula E-Bike Speed Sensor Brake Rotor Magnet

The Formula e-bike speed sensor magnet is an adapter for Monolitic brake rotors. Choose it if your e-bike uses a magnetic speed sensor and you want to mount it on the rotor.

• Compatible with 6-bolt Monolitic and Monolitic Center Lock rotors
• Fits easily into the recess in the brake rotor
• Two versions: for a 180 mm or 203/220 mm rotor
• The pack contains 1 adapter and 2 screws
• Choose the version to match your brake rotor diameter

Technical specifications

• Type: Brake rotor adapter for magnetic speed sensors
• Compatibility: 6-bolt Monolitic brake rotors; Monolitic Center Lock brake rotors
• Mounting: Fits into the recess in the brake rotor
• Rotor variants: 180 mm; 203/220 mm
• Manufacturer number for 180 mm: FD40301-10
• Manufacturer number for 203/220 mm: FD40302-10
• Pack contents: 1 Formula adapter; 2 screws

Formula was founded in Prato in 1987 by Andrea Becocci and his wife Daniela, and remains based there. It makes brakes, suspension and wheels for mountain bikers, bringing its motorcycle experience to the trails. In 1993 it introduced Standard, a hydraulic disc brake designed specifically for mountain biking.