Allow to soak for 5 minutes

and won't wash off in water

In Boost and Non-Boost options

we love the freedom of movement

Frames with a 41mm ID for the Bottom Bracket 89

Formula Ebike Magnet Disc Adapter - Speed Sensor Magnet - Purple - For 203/220mm PLP|Model Year Allow to soak for 5With the E bike Magnet Speed Sensor Adapter from Formula you can attach a magnetic speed sensor to the Monolitic brake rotor of your e bike. This gives you even more accurate data about your journeys. Compatibility Monolitic 6 bolt brake rotor Monolitic Center Lock brake rotor Features brake rotor adapter for magnetic speed sensors fits in recess of brake rotor