Esjot 51 teeth SprocketRef : ESJO00091A / 12113027

Rear sprocket / crown ESJOT (Manufacturer ref. 50-32045-51) – 520 crown made of high-strength steel, designed for competition and intensive use in enduro, motocross, and supermoto. Its black finish and precise tooth profile provide a clean fit and durability suited to terrain constraints.

• Material: QSTE460 steel
• Number of teeth: 51
• Pitch: 520
• Position: Rear
• Colour: Black
• Process: Machined tooth profile according to Diamond Cut 2.0
• Tolerances: Concentricity and runout < 0.1 mm
• Manufacturing: 100% Germany

ESJOT sprockets are developed to meet OEM requirements: specific steel, surface treatment, and controlled machining ensure resistance to wear, useful on abrasive surfaces and in intensive use. Designed for easy integration with 520 transmissions, this crown is a reliable option for those looking to restore or optimise the rear transmission without compromising chain precision.

Compatibility (examples):

• BETA RR‑S 430 (2023)
• HONDA CRF 450 RL (2022)
• BETA RR‑S 350 (2023)