Sirris R46 Shock Springs Spring Rate (N/mm):75 Engineered for Max Power: thicker

Engineered for Max Power: thicker wires

Plug-And-Play Connector Options: Sur-Ron / Segway / Talaria Sting MX3 / E Ride Pro-SS and Talaria Sting R MX4

By turning field weakening to 0% and using a 64T sprocket for off-road riding on 21/18 wheels

Protection class: IP67*

Get the best depth perception and visibility when you ride at night with the Fisher Fab Ultra LED Light

Sirris R46 Shock Springs Spring Rate (N/mm):75 Engineered for Max Power: thickerShock springs for the Sirris R46 Shock for SurRon Ultra Bee. When upgrading your bike with a larger battery, we recommend going up one spring rate to accommodate the heavier bike weight. SurRon Ultra Bee shock springs require a spring compressor because of the short shock length. Max preload = 20mm Tuning Details & Rider Weight Range Trail Tune Light Medium Heavy X XX XXX Spring Rate (N mm) 75 85 90 95 105 115 Compression Setting 16 12 10 9 8 7