MR33 ShimFix SET Holding Tool for Roll Center Washers 6-10mm (3) Speed Secrets Book The APS Spring adds an

The APS Spring adds an additional resistance to the arm as it compresses

the Pro Pit Tray is a must have for your pit space

Recommended to use when racing on tracks with click-track / hard boards

tyre selection criteria with examples

MR33 ShimFix SET Holding Tool for Roll Center Washers 6-10mm (3) Speed Secrets Book The APS Spring adds anMR33 ShimFix SET Holding Tool for Roll Center Washers 6 10mm (3) Set consisting of all three ShimFix items (MR33 957122, 957123, and 957123) MR33 presents the ShimFix made by BoomRC. The ShimFix will help you with one of the biggest and most troublesome issues in RC racing the lower roll center! As we all know, adjusting the roll center between runs is often a huge undertaking. Especially when time is short, changing the shims requires a lot of