HIPLOK DX1000. For the best defence against angle-grinder attacks, you need a Hiplok DX1000. It's part of our Anti-Angle Grinder 1000 Series - there's nothing else like this on the market. You can fit your DX1000 to most large bicycles, e-bikes & motorcycles, with a locking area 205mm x 112mm (L x W).