The Hiplok D1000 Bike Lock is the world’s first portable anti-angle-grinder bike lock. It uses graphene composite material technology to protect your bike against severe and sustained angle grinder attacks. Tested to the highest security standards, the D1000 boasts a Sold Secure Powered Cycle Diamond and ART 4 Star ratings. The 92 x 155mm locking area ensures an optimum fit for preventing leverage attacks, and the anti-rotation double-locking tabs add extra security against any attempts at cutting the lock. Suitable for both bicycles and e-bikes, the Hiplok D1000 Bike Lock is the perfect option for those wanting to keep their bike as safe and secure as possible.Features: Resists angle grinder attacks 92 x 155mm locking area Frame protection Suitable for bicycles and e-bikes Anti-rotation double-locking tabs 3x coded replaceable keys Specifications: Weight: 1.9kg Shackle diameter: 32mm Internal lock dimension: 32mm External dimension: 230mm (L) x 155mm (W) x 40mm (D)