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Designed for reliability-conscious motocross riders, this PBR sprocket draws on competitive experience. Machined from an 18NCD5 steel alloy, it features a robust tooth design to withstand the demanding conditions of muddy and rocky terrains while maintaining a finish suitable for a 520 chain.
Material: steel (18NCD5 alloy)
Number of teeth: 13
Chain pitch: 520
Type / version: sprocket 337 – standard
Manufactured under a strict process to ensure consistency and quality
Treatment providing high resistance to corrosion and abrasion; designed for durability
This sprocket is designed for motocross use where the demands on the drivetrain are high: repeated starts, gear changes, and lateral stresses. It fits as a standard replacement on factory models compatible with the 520 pitch.
Examples of common adaptations: KAWASAKI KX 125 (KX125M 2008 / KX125L 2002), HONDA CR 250 R (ME03 1985). Please check compatibility with your model and the desired number of teeth before installation.
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