Carbon Steel Build
The 13.7mm carbon steel construction provides anti-theft strength.
These carbon steel U-locks provide high-security protection for urban commuters and mountain bikers. The extra-long design facilitates easier locking to various fixed structures
The 13.7mm carbon steel construction provides anti-theft strength.
The extended length simplifies locking to wide posts.
Two keys are provided for secure manual locking.
LuTuo locks utilize 13.7mm carbon steel to achieve a high security rating for bicycles and scooters. Each model includes a dedicated mounting bracket for transport.


LuTuo focuses on Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Locks with mounting brackets in the current models.
These carbon steel U-locks provide high-security protection for urban commuters and mountain bikers. The extra-long design facilitates easier locking to various fixed structures
The range is aimed at the uses named in Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Locks with mounting brackets, not a catch-all.
Titles already name the split: Carbon steel U-lock for scooters and bikes.
Also in Heavy duty High security
The extra long shackle makes it much easier to lock my scooter to thick poles.
The 13.7mm carbon steel feels very solid on my mountain bike.
I appreciate the mounting bracket for keeping the lock out of my backpack.
These locks are constructed from 13.7mm carbon steel.
Yes, the extra long design is compatible with scooters and bicycles.
Yes, it includes a mounting bracket for easy transport.
The LuTuo U-lock comes with 2 keys.