Fork Oil Viscosity Chart, ignore the weight on the label.


May 8, 2003
Simi Valley, CA
Owning two highly-tunable Foes F1-XL forks I've become a bit of a fork tuner, so I thought I'd share some oil viscosity info with you DIY guys. You can't just grab a bottle of X-weight oil and actually get what you want, since the manufacturers are all over the map when it comes to weights. So I built a chart of viscosities for several of the major brands:

Chart of fork oil viscosity.

If anyone has any additional oil specification data, please pass it along and I'll add it to the chart.