Hardened Steel Construction
Heavy duty 8mm and 16mm steel resists cutting and theft.
Bike locks
/ SIGTUNA
SIGTUNA Bike locks
These hardened steel security solutions protect bicycles and electric scooters with high-strength folding and U-lock designs. Owners benefit from space-saving hardware that mounts directly to the frame for easy transport
Our pick
Worth noticing
Anti-Scratch Coating
Protective finishes keep bike paintwork undamaged during daily use.
Space Saving Design
Folding mechanisms and mounting brackets allow for efficient storage.
Why this brand is here
Heavy Duty Security Standards
The catalog features 16mm diameter high-strength steel and 8mm fold-up links. These models utilize keyed mechanisms and specialized mounting brackets for outdoor equipment.
- 16mm diameter high-strength steel
- 8mm hardened steel folding links
- Anti-scratch protective coating
- Integrated mounting bracket systems
- Compact fold-up geometry
- Keyed anti-theft mechanisms
Why these models
This range
The range includes Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Hardened steel locks — the types these titles actually list.
Construction
SIGTUNA models in this range lean on the details already in the listings: Hardened Steel Folding Bike Lock with Mounting; Hardened Steel Folding Bike Lock Two Pack; Compact Black Folding Lock for Electric Bikes.
Where they fit
Pick a SIGTUNA model from Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Hardened steel locks when that is the job you have.
What stands out
9 locks listed here give you a side-by-side on Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Hardened steel locks.
On this hub
SIGTUNA in this catalog
- 3 of 9 list length · around 19 cm
- 3 of 9 list across · around 4.3 cm
- 3 of 9 list height · around 5.5 cm
Current set
Listed here: 9 locks
Also in Compact folding locks With mounting brackets
8.7
Voices
From this set
The 8mm folding lock fits perfectly on my electric bike frame using the included mount.
I use the 16mm U-lock for my outdoor equipment and the anti-scratch coating protects the finish.
The compact folding design is very space saving when I am riding my bicycle through the city.
Close labels
Brands like SIGTUNA
Common questions
SIGTUNA Questions
What materials are used in these locks?
The locks are constructed from hardened steel and high-strength steel.
Can these be used on electric scooters?
Yes, the catalog includes locks specifically for electric scooters and e-bikes.
How do the folding locks attach to the bike?
They feature easy mounting brackets for secure frame attachment.
What is the thickness of the U-locks?
The heavy duty U-locks feature a 16mm diameter.