Sirris R46 Shock Springs Spring Rate (N/mm):75 X-9000 V2 Controller Adapter Kits

X-9000 V2 Controller Adapter Kits

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

Protection class: IP67*

50mm Extension Longer Than Surron Stock

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 X-9000 V2 Controller Adapter KitsShock 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