Kryptonite Kryptolok ATB U-Lock, 12.7mm hardened performance steel shackle, Double deadbolt design, 2 Stainless Steel Keys, Lightweight 3.2 lbs, High Security for E-Bikes, Mountain Bikes, & Scooters

The Kryptonite KryptoLok ATB is a trusted moderate-to-high security U-lock designed for everyday cyclists, e-bike riders, mountain bikers, and scooter owners who need reliable protection for urban, suburban, and light rural use. Its larger 5" x 9" (12.7 cm x 22.9 cm) interior dimensions easily accommodate wider tires, fat-bike frames, and multiple locking points. Kryptonite invented the modern U-lock and has been the gold standard in bicycle security for decades. The KryptoLok ATB combines proven strength, thoughtful modern updates (double deadbolt + anti-rotation features), and everyday convenience in one durable package. Keep your bike where it belongs — locked and secure. Add the Kryptonite KryptoLok ATB (002055) to your cart today.