D-LOCK APPLICATION: Universal lock for all bikes: road, mountain, folding, electric. Weatherproof soft grip CERTIFICATIONS: Sold Secure Gold (UK), Police Approved - Secure by Design (UK), VDS Klasse A+ (Germany), SBSC (Sweden) HIGH SECURITY: Hardened steel body resists cutting, sawing and prying. Double locking shackle withstands 2 tons of pull force EASY TO CARRY: Mounting bracket included with adjustable diameter to fit all bikes (new design launched in 2018). Lightweight lock 1.26 kg SPECIFICATIONS: U Lock dimensions (A x B x C) 1.3 x 21 x 11 cm, mounting bracket included, 4 keys included, sliding dust cover protects keyway from dirt and moisture, blue Limited Lifetime Guarantee