Sirris F43 Fork Spring (single) Ventus One Sirris offers two weight ranges

Sirris offers two weight ranges when selecting your CMX Tune F43 fork for Surron Light Bee X (LBX)

Sirris complete fork decal kit F43 fork

• E-Ride Pro 3

> 160 lbs  (Medium = 5

Sirris F43 Fork Spring (single) Ventus One Sirris offers two weight rangesFork 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 an "in between" total fork spring weight if desired. For example, our standard Surron Trail Med Rate is 4. 6 N_MM. It has a 4. 4 one side, and 4. 8 on the other side to get the average of 4. 6 for the fork. Oil and clicker settings should be the same on both sides, you do not need to individually change