Best Medium Size Cycling Chain Locks of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 7 Feb 2025

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These medium size cycling chain locks are an essential accessory for any cyclist looking to secure their bike. The locks are made from durable materials and are designed to provide a high level of security against theft. With their compact size, they are easy to carry around on your bike and can be quickly and easily attached to any suitable anchor point. Whether you're commuting to work or going on a leisurely ride, these chain locks are a must-have for any cyclist looking to protect their bike from theft.

At a Glance: Our Top Picks

All Mountain Style Honeycomb Chain Guard, Medium Cover #TOP 1
All Mountain Style Honeycomb Chain Guard, Medium
ftb score rating icon 9.9
Diyife Heavy Duty Anti-Theft Chain Lock Cover #TOP 2
Diyife Heavy Duty Anti-Theft Chain Lock
ftb score rating icon 9.8
Diyife Heavy Duty Bike Chain Lock Cover #TOP 3
Diyife Heavy Duty Bike Chain Lock
ftb score rating icon 9.6

Top 3 Medium Size Cycling Chain Locks

#TOP 1

All Mountain Style Honeycomb Chain Guard, Medium

AMSFG4BKSV
Black/Silver
All Mountain Style Honeycomb Chain Guard, Medium Cover
All Mountain Style Unisex Honeycomb High Impact Chain Guard, Black/Silver, Medium

The All Mountain Style Chain Guard offers strong and durable protection for your bike, thanks to its high impact and rub resistant honeycomb PVC. This material effectively shields your bike from scratches and dings, keeping it looking new. Made with top quality materials, the automotive grade adhesive ensures that the guard will not fade or yellow over time. You can also customise your rig with various colours and patterns available, allowing you to enhance the appearance of your bike. Installation is straightforward, as this universal chain guard fits all bike sizes effortlessly.

What We Like
Durable high impact protection
Customisable design options
Universal fit for all bikes
Fade-resistant materials

Diyife Heavy Duty Anti-Theft Chain Lock

TAL63
Black
Diyife Heavy Duty Anti-Theft Chain Lock Cover
Bike Lock Heavy Duty, [3 Keys] Diyife 1m Anti-Theft High Security Chain Lock, Weatherproof Bicycle Lock Padlock for Bike Bicycle, Motorcycle, Scooter, Door, Gate, Fence

The Diyife Chain Lock offers robust security for your bicycle and other valuables. Made from high-strength stainless steel, its 6 mm thickness effectively resists saws and cutting tools, ensuring your belongings are well-protected. The upgraded lock cylinder prevents technical unlocking, giving you peace of mind. Its waterproof and anticorrosive design protects against the elements, while the comfortable wear-resistant cover enhances usability. This lock is versatile enough to secure bikes, motorbikes, gates, and more, making it an ideal choice for any user.

What We Like
High-strength stainless steel
Anti-theft lock cylinder
Waterproof and rust-resistant
Versatile for multiple uses

Diyife Heavy Duty Bike Chain Lock

18805b5d-1343-4569-b713-9467d6e4fdbb
Black
Diyife Heavy Duty Bike Chain Lock Cover
Diyife Bike Lock Heavy Duty, [Reforced Version] [4 Keys] 1m x 6mm Anti-Theft Bike Chain Lock High Security, Weatherproof Bicycle Lock 50mm Padlock for Bike, Motorcycle, Scooter, Door, Gate, Fence

The Diyife Bike Lock is designed for high security and convenience. With its robust 6mm thick stainless steel construction, it effectively resists cutting attempts, ensuring your bike remains safe. The heavy-duty padlock features a unique wrapped beam design, preventing technical unlocking and keeping your belongings secure. Additionally, its waterproof and anti-rust qualities mean you can use it in various weather conditions without worry. This versatile lock is perfect for not only bicycles but also motorbikes, gates, and fences, providing you with peace of mind wherever you go.

What We Like
High-strength stainless steel
Anti-theft padlock design
Waterproof and rust-resistant
Versatile for multiple uses
Buying Guide Image
Editor's Notes

During our medium size cycling chain lock research, we found 135 medium size cycling chain lock products and shortlisted 3 quality products. We collected and analyzed 28,792 customer reviews through our big data system to write the medium size cycling chain locks list. We found that most customers choose medium size cycling chain locks with an average price of £10.84.

The medium size cycling chain locks are available for purchase. We have researched hundreds of brands and picked the top brands of medium size cycling chain locks, including All Mountain Style, Diyife.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.