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Maximize power transfer to the ground with the Z43 sprocket in 520 configuration. Designed for racing and elite tuning, this sprocket minimizes final drive power loss through its narrow profile and ultra-light materials. Fully CNC-machined from Ergal 7075 T6, the Z43 gearing provides that extra punch in acceleration—perfect for shattering lap times or making street rides extremely responsive. A precise technical choice for riders looking to eliminate every bit of parasitic friction.