D-LOCK APPLICATION: Weatherproof protective vinyl coating; universal lock for all bikes: road, mountain, folding, electric GREAT SECURITY: Hardened steel body resists cutting, sawing and prying; double locking shackle for superior pry resistance EASY TO CARRY: Mounting bracket included with adjustable diameter to fit all bikes (new design launched in 2018) ; lightweight lock 0.6 kg SPECIFICATIONS: U Lock dimensions (A x B x C) 1.2 x 20 x 10 cm ; mounting bracket included ; 2 keys included Limited Lifetime Guarantee