PRIMARY DRIVE CONVERSION SPROCKET SET 219 57T & 25T SUR-RON ULTRA BEE

This primary drive sprocket set is a 219 chain conversion kit for the Sur-Ron Ultra Bee, designed to replace the original primary belt drive with a chain-driven setup between the motor and secondary shaft. The kit uses a 25-tooth motor sprocket and a 57-tooth intermediate sprocket, providing the required primary drive components for off-road use where belt drive systems can be exposed to mud, debris, and heavy load conditions

Features

• Converts the original primary belt drive to a chain drive system


• Intended for the primary transmission between the motor and secondary shaft


• Suitable for enduro, trail, and muddy off-road riding conditions


• Supplied as a complete installation kit


• Helps reduce the risk of primary belt failure during demanding off-road use

Specifications

• Chain pitch: 219


• Motor sprocket: 25 teeth


• Intermediate sprocket: 57 teeth


• Sprocket material: treated steel


• Sprocket finish: zinc plated


• Chain colour: gold


• Kit contents: 25T motor sprocket, 57T intermediate sprocket, 219 chain, master link, mounting bolts

Cross-Reference OEM Part Numbers

• 25-219


• 57-219

Vehicle Fitments

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  Sur-Ron Ultra Bee – primary drive chain conversion