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

• Sur-Ron Ultra Bee – primary drive chain conversion