Heavy-Duty U-Lock with 120 dB Alarm – Weatherproof Security for E-Bikes & Scooters

Protect your ride with unmatched security using this Heavy-Duty 16 mm Stainless Steel U-Lock, featuring a powerful 120 dB motion-activated alarm that’s impossible to ignore. Engineered for fat-tire e-bikes, scooters, and motorcycles, this lock is built to resist tools, bolt cutters, and leverage attacks—while alerting you instantly to any tampering.

The spacious 5" × 6" opening fits up to 20″ × 4″ fat tires, making it perfect for larger wheels. Crafted from hardened steel and fully weatherproof, it delivers durable protection in any condition. For convenience, three keys are included so you're always covered, and an easy ON/OFF alarm switch lets you control security as you need it.

Features You’ll Appreciate:

• Industrial Strength: 16 mm hardened stainless steel resists cutting and leverage attempts.
• Audible Alarm Security: A 120 dB high-pitched alarm triggers on motion, deterring thieves within earshot.
• Fat-Tire Compatible: Inner frame dimensions of 6" high × 5" wide handle 20″ × 4″ tires with ease.
• All-Weather Protection: Weatherproof construction ensures reliable security regardless of conditions.
• Ready for Use: Packs in three keys for ultimate convenience.
• Smart Security Control: Handy ON/OFF switch lets you arm or disarm the alarm at will.

Why This Lock Stands Out

E-scooters and e-bikes are high-value and high-risk—don’t settle for basic security. This U-Lock combines robust metal construction with an audible alarm to give you visibility and protection, whether you're parking roadside or in shared spaces.