Bike locks / How to choose
Bike Lock Selection Guide
Before you buy

Bike Lock Selection Guide

Catalog updated 2026-10-21

The method we use before a brand gets its own site.

How we work

Indexing Methodology

We organize the cycling security market through technical specifications and verified hardware attributes.

Security Architecture

Classification by physical form including U-locks, folding bars, and heavy duty chain links.

Material Specifications

Analysis of hardened steel thickness ranging from 10mm to 18mm shackles.

Locking Mechanisms

Categorization by keyed cylinders, 4-digit codes, 5-digit combinations, and biometric sensors.

How we rate

How we calculate a product rating

A score on a bike lock listing comes from what shoppers have said and how easy the lock is to actually buy.

The average from public reviews

When a listing has a public average, that number is the main input for its score.

Notes we have kept

Written notes we stored still count a little, even when there is no average yet.

Review volume and availability

More reviews lift the mark slightly, very few pull it down, and listings that are often unavailable lose a little.

Security Ratings and Materials

Hardened steel locks are categorized by thickness, with 16mm and 18mm shackles offering the highest resistance. Look for Sold Secure Gold or Diamond ratings for high-value electric bikes and motorcycles.

Locking Mechanisms

Keyed locks use drill-resistant cylinders, while combination locks offer 4-digit or 5-digit resettable codes. Smart options include Bluetooth and fingerprint sensors for keyless operation.

Portability and Mounting

Compact folding locks and locks with mounting brackets allow for easy transport on the bicycle frame. Lightweight cable locks are suitable for low-risk environments or securing helmets.

Selected brands

Shop by collection

A collection is a short cut into the catalog

Keyed Flexible cable locks Combination Heavy duty Electric scooter locks Heavy duty chain locks Hardened steel locks With mounting brackets Motorcycle grade locks Black Cheap 4-digit combination locks High security Heavy duty U-locks For electric bikes Compact folding locks 4ft long Lightweight Waterproof 12mm thick 6ft long Mountain 5-digit combination locks 10mm thick 5ft long Road 3ft long 14mm thick Blue U-locks with security cables Kids Bluetooth smart locks Fingerprint Alarmed Orange Sold Secure Gold rated locks 16mm thick Green Red Yellow Fits 16 inch Integrated frame locks Sold Secure Diamond rated locks Gray
Types

Carry, size, and materials

Keyed

Traditional security using physical keys and drill-resistant cylinders

Flexible cable locks

Lightweight and versatile wire locks ideal for quick stops or securing accessories

Combination

Keyless security using resettable digit codes for convenience

Heavy duty

Maximum strength protection designed to resist aggressive theft attempts

Black

Classic and discreet security in a matte or gloss black finish

Cheap

The lower-priced listings in this catalog