Circle Lock

Circular padlocks designed for lockers, gates, and storage security.

Security Chain Lock,Bike Chain Lock, Premium Case-Hardened Security Chain ,Cannot Be Cut with Bolt Cutters Or Hand Tools, Ideal for Motorcycles, Bike, Generator, Gates ,Outdoor Furniture

5.0

13 sold

Limited time deal

-50%$24.99$49.98

Free shipping

Phone Lock Box

1.0

7 sold

$30.00

Free shipping

[Black Friday Low Price]-Cerradura de contraseña Bike Lock: 4 Digit Combination High Security Anti Theft Bike Chain Lock -Duty Keyless Bicycle Lock for Bike, Motorcycle, Scooter, Door & Gate Easy to Use last-minute Father's Day gift & Summer Gift

4.4

203 sold

Flash sale00:00:00

-44%$9.99$17.99

Blue Lock Stainless Steel Necklace - Anime Design, Elegant Style, Versatile Accessory for Any Occasion

4 sold

$25.00

12-Pack Rectangular Aluminium Thumb Turn Sliding Window Latches Hardware with Thumb Turn Screws (3 Lots of 4 Pcs Each) - Extruded Aluminium Build, Secures Windows in Closed/Ventilating Position, Fits Up to 1/8 in. Thick Rails

3.0

1 sold

Limited time deal00:00:00

$6.99

Free shipping

Venzio Heavy-Duty Steel Security Padlock - 3ft (900 mm) 6mm Anti-Cutting, 2-Key Quick Access, Rainproof UV-Protection Sleeve, Zinc Alloy Core, 1.48 lb Lightweight for Cycling Adults' City Bikes, Scooters, Ebike Accessories

4.7

146 sold

$24.69

Motorcycle Helmet Lock, Bike Helmet Lock, 4 Digit Little Cable Lock, Retractable Luggage Lock, Stroller Lock, Black, 2 Pack

1 sold

Limited time deal

$24.99

Motorcycle Cruise Control Lock

3 sold

$11.99

Free shipping

ROCKBROS Heavy-Duty Anti-Theft Bicycle Chain Lock - 23.4 inches/59.5cm A3 Chrome-Plated Steel Handcuff Link Lock, Copper Key Cover, ABS Housing, 502g Cycling Equipment for Daily Commuting City Bikes, Ebike Accessories

4.3

1.8K sold

-30%$24.99$35.70

Free shipping

MOONCOOL Alloy Steel Bike Chain Security Lock - 8mm Thick, 3.9 ft Long, Compact and Easy to Carry with Keys, Prying-Resistant, Scratch-Safe Coat, Multi-Lock Methods, Heavy Duty Protection for Commuting Bikes & Trikes, Cycling Accessory

5.0

28 sold

Limited time deal00:00:00

-40%$29.99$49.99

Motorcycle Heavy-Duty Anti-Theft Chain Link Lock - 6mm Thick Cylinder Steel, 2.62 ft, 2 Keys, Scratch-Proof, Sturdy Lockable Accessory for Bikes, Ladder, Lawnmower, Fence

1.0

2 sold

$15.99

Single-Word Key Replica Lock, Theft-Proof Door Lock, Atomic Lock, Blade Lock, Spring Lock, Secure, Durable, Heavy Duty, Security Lock, Ideal for Home and Office Use

1 sold

$8.91

Digit Mini Round Combination Lock, Padlock, Anti-Theft, Zinc Alloy Lock, Luggage Lock, Student, Dormitory, School Bag, Cabinet, Drawer Lock, Backpack, Electric Bike, Bicycle Basket Lock, Helmet Lock

2 sold

$3.95

Heart Lock Hoop Charm

4.1

17 sold

$10.00

Vintage Heart Shaped Mini Padlock, Security Lock, Secure Lock, Antique Style Alloy Lock, Perfect for Jewelry Boxes & Luggage, Unique Gift Idea

4.4

76 sold

$3.65

Introduction

Round bodies resist prying and fit compact spaces better than traditional locks.

Hardened steel shackles deter bolt cutters and drilling attempts.
Weatherproof seals protect internal mechanisms from rust.
Keyed-alike or combination options suit multiple users.

Pick the right size for your locker, toolbox, or outdoor gate.

Circle Lock

Circular padlocks designed for lockers, gates, and storage security.

Security Chain Lock,Bike Chain Lock, Premium Case-Hardened Security Chain ,Cannot Be Cut with Bolt Cutters Or Hand Tools, Ideal for Motorcycles, Bike, Generator, Gates ,Outdoor Furniture

Phone Lock Box

[Black Friday Low Price]-Cerradura de contraseña Bike Lock: 4 Digit Combination High Security Anti Theft Bike Chain Lock -Duty Keyless Bicycle Lock for Bike, Motorcycle, Scooter, Door & Gate Easy to Use last-minute Father's Day gift & Summer Gift

Blue Lock Stainless Steel Necklace - Anime Design, Elegant Style, Versatile Accessory for Any Occasion

12-Pack Rectangular Aluminium Thumb Turn Sliding Window Latches Hardware with Thumb Turn Screws (3 Lots of 4 Pcs Each) - Extruded Aluminium Build, Secures Windows in Closed/Ventilating Position, Fits Up to 1/8 in. Thick Rails

Venzio Heavy-Duty Steel Security Padlock - 3ft (900 mm) 6mm Anti-Cutting, 2-Key Quick Access, Rainproof UV-Protection Sleeve, Zinc Alloy Core, 1.48 lb Lightweight for Cycling Adults' City Bikes, Scooters, Ebike Accessories

Motorcycle Helmet Lock, Bike Helmet Lock, 4 Digit Little Cable Lock, Retractable Luggage Lock, Stroller Lock, Black, 2 Pack

Motorcycle Cruise Control Lock

ROCKBROS Heavy-Duty Anti-Theft Bicycle Chain Lock - 23.4 inches/59.5cm A3 Chrome-Plated Steel Handcuff Link Lock, Copper Key Cover, ABS Housing, 502g Cycling Equipment for Daily Commuting City Bikes, Ebike Accessories

MOONCOOL Alloy Steel Bike Chain Security Lock - 8mm Thick, 3.9 ft Long, Compact and Easy to Carry with Keys, Prying-Resistant, Scratch-Safe Coat, Multi-Lock Methods, Heavy Duty Protection for Commuting Bikes & Trikes, Cycling Accessory

Motorcycle Heavy-Duty Anti-Theft Chain Link Lock - 6mm Thick Cylinder Steel, 2.62 ft, 2 Keys, Scratch-Proof, Sturdy Lockable Accessory for Bikes, Ladder, Lawnmower, Fence

Single-Word Key Replica Lock, Theft-Proof Door Lock, Atomic Lock, Blade Lock, Spring Lock, Secure, Durable, Heavy Duty, Security Lock, Ideal for Home and Office Use

Digit Mini Round Combination Lock, Padlock, Anti-Theft, Zinc Alloy Lock, Luggage Lock, Student, Dormitory, School Bag, Cabinet, Drawer Lock, Backpack, Electric Bike, Bicycle Basket Lock, Helmet Lock

Heart Lock Hoop Charm

Vintage Heart Shaped Mini Padlock, Security Lock, Secure Lock, Antique Style Alloy Lock, Perfect for Jewelry Boxes & Luggage, Unique Gift Idea

Introduction

FAQs

Common sizes range from 5 mm to 10 mm; thicker shackles offer higher security grades.

Some models include a TSA key override; confirm before flying.

Certain brands offer rekey kits; others require factory service.

Yes, as long as the fence opening accommodates the circular body and shackle length.

Use graphite powder or silicone spray; avoid oil-based products that attract dirt.