Kewig Aluminum Alloy Anti-Theft Helmet Lock — 5mm PVC-Coated Cable, 3-Digit Combination

Kewig's Aluminum Alloy Anti-Theft Motorcycle Bike Helmet Lock is a CNC-machined combination lock with a 5mm steel cable that secures helmets to round bars while resisting corrosion and tampering.

If you ride or park outdoors, a compact, robust helmet lock prevents casual theft and keeps your gear off the ground. This model pairs a hard-anodized 6063 aluminum body with a zinc-alloy combination cylinder and a PVC-coated, high-tensile steel cable. It comes with two interchangeable TPU rubber inserts to fit a wide range of handlebar diameters and a default three-digit code you can reset for personalized security.

How does this lock stop theft and tampering?

The Kewig lock uses multi-layer protection: a hardened aluminum housing, a zinc-alloy cylinder with electroplating, and a flexible 5mm steel cable. The combination mechanism eliminates the need for keys, and the design includes anti-cut, anti-drill, and anti-pry elements to deter opportunistic thieves.

• 6063 aluminum alloy body with hard-anodized finish for corrosion resistance
• Zinc-alloy lock cylinder with electroplating and double anti-theft construction
• 5mm PVC-coated steel cable resists shear, abrasion, and scratching

Will it fit my motorcycle or bicycle handlebars?

The lock ships with two TPU rubber ring inserts to adapt the clamp to different bar diameters and can be used without an insert for larger tubing. It accommodates 22mm (0.87"), 25mm (1"), and 28.6mm (1.125") round bars, so it works on most motorcycles, bicycles, scooters, ATVs, and roll cages.

• Includes 22mm and 25mm rubber inserts; remove inserts for 28.6mm bars
• Clamps securely to tubular handlebars, roll cages, and similar round metal bars
• Suitable for motorcycles, e-bikes, dirt bikes, scooters, and ATVs

How easy is installation and daily use?

Setup is straightforward: mount the clamp to your bar with the included Allen wrench and set your custom 3-digit code (default "000"). After mounting, thread the cable through your helmet D-ring or strap and secure it to the lock body — no keys required and quick to operate between rides.

• Pre-set three-digit combination (default 000); user-resettable code
• Includes Allen wrench and clear instruction manual for fast installation
• Compact, lightweight design for convenient on-bike mounting

What protections does it offer for helmets and paint?

The cable is PVC-coated and the clamp uses TPU rubber inserts to prevent scratches and scuffs on both helmets and vehicle paint. The cable length and flexibility let you lock helmets without forcing contact against delicate finishes.

• PVC coating on the steel cable prevents abrasion and paint damage
• Two TPU rubber inserts cushion the clamp against bars and protect finishes
• 500 mm cable length gives room to secure helmet D-rings without strain

Who this is for: Riders who need a durable, keyless way to secure helmets and small gear while parked. The Kewig Aluminum Alloy Anti-Theft Helmet Lock fits a broad range of bikes and handlebars, resists harsh weather and tampering, and is ideal for commuters, weekend motorcyclists, and scooter users who want quick, reliable protection without carrying extra keys.

Package contents: 1 × Kewig combination helmet lock, 1 × 22mm rubber ring insert, 1 × 25mm rubber ring insert, 1 × Allen wrench, 1 × 5mm diameter high-tensile PVC-coated steel cable (500 mm), 1 × instruction manual.