The Oxford RotaForce Ground Anchor is a bolt down rotating ground anchor.Bolts down with 4 security boltsUnique rotating head allows easier fitment and better bike positioning26mm diameter case hardened steel head resists all forms of attack including saw, sledgehammer and bolt croppers (1.5 tonne)59mm internal diameter allows all chains to be fittedAll fittings includedOption to buy spare ground anchor rawl bolts (X4) - LK400BThe Oxford RotaForce Ground Anchor has a unique rotating head design which allows easy fitment and much better bike positioning.This Ground Anchor has been constructed using a 26mm diameter case hardened steel head which resists all forms of attack including saw, sledgehammer and bolt croppers (1.5 tonne). The Head has a 59mm internal diameter allowing all chains to be fitted. The Rotaforce has been independently and rigorously tested and obtained Sold Secure Motorcycle Gold and SBSC Certified product.