Semi-Square Chain
The unique link profile is designed to resist cutting tools.
Bike locks
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Viro SpA
Viro SpA Bike locks
Solid brass and semi-square steel chains provide specialized security for motorcycles and electric scooters. These Italian-engineered locks focus on anti-cut properties and durable hardware
Start here
In short
Solid Brass
The lock body uses solid brass for durable internal mechanisms.
Scooter Optimized
Dimensions and weight are tailored for electric scooter and motorcycle use.
Why it’s listed
Technical Hardware Standards
The 4243 series features 120 cm chains with 8 mm sections for robust protection. These models utilize anti-cut poles and multi-colored finishes for high visibility.
- 120 cm chain length
- 8 mm section thickness
- Semi-square chain links
- Solid brass construction
- Anti-cut pole design
- Multi-colored finish
Why these models
Link Geometry
The semi-square section of the chain provides better resistance against bolt cutters than round links.
Material Choice
Solid brass components offer excellent longevity and resistance to wear.
Vehicle Compatibility
These are specifically categorized for motorcycle and electric scooter applications.
Security Features
The anti-cut pole and tear-resistant design enhance the overall integrity of the lock.
Listings
Current lock from Viro SpA
Semi square brass motorcycle chain lock
Electric scooter locks · Heavy duty chain locks · Motorcycle grade locks
Notes
Buyer notes
The 8 mm semi-square chain feels very sturdy on my electric scooter.
I like the multi-colored look and the solid brass construction of the lock body.
The 120 cm length is exactly what I need to secure my motorcycle to a post.
Questions
Viro SpA Questions
What is the thickness of the chain?
The chain has a section thickness of 8 mm.
What is the lock body made of?
The lock is constructed from solid brass.
What is the chain length?
The chain measures 120 cm in length.
What is the shape of the chain links?
The links have a semi-square section design.