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For guaranteed fitment on your Surron Ultra Bee, we highly recommend the Sirris rear triangle installed during the shock installation procedure.  ...

Trail Tune is a very versatile and aggressive tune that is sporty and supportive, designed to go fast over a wide variety of terrain. RIDER WEIGH...

Trail Tune is a very versatile and aggressive tune that is sporty and supportive, designed to go fast over a wide variety of terrain. RIDER WEIGHT...

MX Tune is a motocross specific tune with balance, control, and bottoming resistance for the fastest speeds. It's firm suspension for maximum contr...

Shock springs for Sirris R46 shocks. If you upgrade your bike with a larger battery, we recommend going up one spring rate to accommodate the heavi...

Sirris offers two weight ranges when selecting your CMX Tune F43 fork for E-Ride Pro SR. (Listed weight ranges are rider weight without riding ge...

Sirris offers two weight ranges when selecting your SX Tune F43 fork. (Listed weight ranges are rider weight without riding gear on. 15 pounds of...

Sirris offers two weight ranges to choose from when selecting your SX Tune R46 shock. (Listed weight ranges are rider weight without riding gear ...

Fork springs for Sirris F43 forks are sold as individual units. Two springs are required for your fork. You can combine two sequential rates to get...

> BUY NOW FROM EBMX A tune specifically made for modified bikes in collaboration with EBMX. It's designed to work with a longer travel front for...

MX Tune is a motocross specific tune with balance, control, and bottoming resistance for the fastest speeds. It's firm suspension for maximum contr...