Gold 520 EK Chain: SurRon Ultra Bee, Zero XEGold 520 EK Chain for SurRon Ultra Bee and Zero XE electric dirt bikes. Features 520 x 120 NON Sealed Standard Roller Chain Includes clip style master link Gold outer plates Black inner pivot links Quad stake riveting Fits SurRon Ultra Bee Zero XE

Uncompromised Suspension Quality

Enhance the power and performance of your SurRon Ultra Bee with the EWatt 72V 76Ah battery upgrade

aftermarket performance upgrade

Heavy-Duty High-Current Wiring — Supports extreme discharge levels safely and efficiently

EXT Ferro E-MX Fork Features

Fast shipping from the USA

Stable Voltage Across Full Discharge — Maintains consistent performance from full charge through low state-of-charge for predictable throttle response and sustained output

This unique feature enables the controller to track battery temperature and cell voltage

Stretchy ribbed crew neck collar

over-voltage and under-voltage protection

three-chamber air spring system is isolated from the upper tubes to reduce head build-up and features easy air spring tuning from the initial movement

or center and includes separate controls