The Serpent 909395 Pulley Solid Axle 51T is intended for hobbyists who maintain period machines from the 960 family. It supports steady torque transfer so older racers keep predictable handling and performance on the circuit.
Made to meet the needs of vintage racing, this 51T pulley focuses on lasting operation during repeated use. The design aims to minimise driveline slop and preserve consistent engagement under racing loads.
This pulley is compatible with Serpent 960 references SER903000, SER903004, and SER903008, allowing direct replacement or upgrade. It is a sensible choice for restoring original running condition or swapping out degraded components.
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