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Sirris outer tube bumper for F43 fork
Sirris offers six weight ranges to choose from when selecting your Trail Tune R46 shock
Sirris axle assembly for F43 fork
Full decal kit for F43 fork for ZERO XE
type 3 anodized coating
Sirris R46 Shock Spring 220 mm Travel Sirris outer tube bumper forShock springs for Sirris R46 shocks. If you upgrade 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 For help changing out and installing new springs in your shock, see the service section here for detailed instructions.