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The Avinox speed sensor ring 42‑tooth regulates the legally permitted maximum speed of 25 km/h and is mounted on the brake disc at the rear wheel.
It is compatible with e‑bikes equipped with the Avinox M2 or M2S motor. These include, among others, models from the brands Amflow and Crussis. The ring is used in combination with the Avinox M2 & M2S speed sensor cable.
