In-rim magnet for E-Bike systems such as Bosch that use rim mounted magnets for speed readingsReplaces the magnet mounted on the outside of the rim for a cleaner more aerodynamic appearanceAvailable for Presta and Schrader valves, and compatible with tubes or tubeless configurationsCompatible with rims greater than 22mm wide, but 24mm and up is recommendedBlackPVUPC/EAN/GTIN: 7613052415758