Bosch Speed Sensor Slim 615mm (BDU3XX, BDU4XX)

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Experience reliable performance with this Bosch Speed Sensor Slim. Compatible with Bosch 3rd and 4th Gen ebike drive units, this original Bosch speed sensor offers maximum accuracy and durability. Please Note: Correct function can only be guaranteed when this is used in conjunction with the original magnet - 1270015727 + 1270015728! Compatible with: BDU3XX BDU4XX Show more