Trelock U6

23 cm
1Ratings
BrandMore from Trelock
Test reportsVery good based on 2 tests
Delivered between Thu, 25.6. and Tue, 30.6.
6 pieces in stock at supplier
free shipping

Product details

The Trelock U6 is a robust bike lock designed for the security of bicycles. With a shackle lock design and a diameter of 16 mm, it offers high resistance against various types of attacks. The lock is made from specially hardened TREDUR steel, which is both saw-resistant and cold-resistant. The construction is designed to withstand extreme stresses, including cutting and bending. The U6 is equipped with an IN-X cylinder that allows for automatic and secure locking. Additionally, a soft surface protects the bike frame from scratches. The lock comes with a holder that enables easy attachment to the bike frame, ensuring it is always within reach.

  • Made from TREDUR special steel for high durability
  • IN-X cylinder with automatic locking
  • Scratch protection through soft surface coating
  • Security level 6 for increased theft protection
  • Includes holder ZB 401 for easy mounting on the bike.

Key specifications

Lock type
U-lock
Thickness
16 mm
Closing mechanism
Key
Weight
1140 g

General information

Item number
13355446
Manufacturer
Trelock
Category
Bike locks
Manufacturer No.
8005199
Release date
18.6.2020

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Metal
Material
Hardened steel

Lock properties

Lock type
U-lock
Bike lock equipment
with holder
Locking circumference
23 cm
Thickness
16 mm
Security level
6
Closing mechanism
Key

Origin

Country of origin
France

Voluntary climate contribution

CO₂ emissions
2.89 kg
Climate contribution
CHF 0.11

Product dimensions

Length
23 cm
Inside temple dimensions Length
23 cm
Inside temple dimensions Width
10.80 cm
Weight
1140 g

Package dimensions

Length
29.50 cm
Width
16.50 cm
Height
6 cm
Weight
1.48 kg

30-day right of return
24 Months Warranty (Bring-in)

Compare products

Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike locks» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 11.Stahlex
    0.8 %
  • 15.M-Wave
    0.9 %
  • 15.Trelock
    0.9 %
  • 17.Hama
    1 %
  • 18.AXA
    1.1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Trelock
    Not enough data
  • 1.Abus
    0 days
  • 1.AXA
    0 days
  • 1.Fischer
    0 days
  • 1.Hama
    0 days

Return rate

How often is a product of this brand in the «Bike locks» category returned?

Source: Digitec Galaxus
  • 20.Rockbros
    3.7 %
  • 21.Relaxdays
    4.3 %
  • 22.Trelock
    4.9 %
  • 23.Forever
    5.1 %
  • 24.Onguard
    5.7 %
Source: Digitec Galaxus

Translation: machine translated
Overall ratingVery good87/100
Very good89/100
Computer Bild Logo
Rank 2 out of 9Computer Bild9 Fahrrad-Schlösser im TestReleaseNovember 2025

An affordable yet very solid U-lock with good frame protection thanks to the rubberised coating. The Trelock U6 is also the lightest lock in the test field. The practical reversible key makes everyday use easier. As with the test winner, however, the rigid design limits flexibility.

Go to complete test report
Very good84/100
Rank 2 out of 8Stiftung WarentestFahrradschloss-Test - Fahrradschlösser – sicher, preiswert, gutReleaseFebruary 2023

81 models compete in the Stiftung Warentest bicycle lock test. Almost a third failed. Fortunately, there are also good locks for little money.

Go to complete test report