XTR-SIL-4000 XTR 100% Pure Silicone Diff Oil 4000cst 80ml Premium silicone shock oil made in Europe under laboratory conditions as used by David Ronnefalk to win the 2016 Worlds and Robert Battle to win the 2017 Euros! XTR tested under extreme circumstances to ensure maximum consistency from start to end of race. Supplied in 80ml bottles with flip close lid
