The XRAY 305579 - X4 20T Composite Layshaft Pulley is a carefully formed component that mates with the X4 layshaft assembly. Its composite construction aims to minimise friction and rotational load for steadier drivetrain response.
Designed with the XRAY X4 2022 layout in mind, this pulley accepts standard bearings and works as a drop-in replacement or an upgrade for restoring efficient power transmission.
Prior to fitting the XRAY 305579 pulley, clean shafts and bearings and verify clearance. Proper alignment and secure mounting will reduce noise and extend service intervals.
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