In Stiftung Warentest's bicycle lock test, 81 models compete. Almost a third failed. Fortunately, there are also good locks for little money.
Trelock U4 Plus
23 cmMore than 10 pieces in stock at supplier
Product details
The U4 with security level 4 is particularly comfortable to use thanks to its automatic locking mechanism and reversible key. A dust cover protects the IN-X inner cylinder. Visually, the U4 Plus is also impressive, as it features the new and elegant product design that all Trelock product innovations showcase.
- Lock cylinder: Cylinder lock, In-X
- Details:
- Lock approval: Finanssialan (FI), SBSC (SE), Sold Secure Silver (UK)
- Theft protection: medium security
- Type: U-lock
- Locking mechanism: key lock
- Security level: 4
- Key: double-sided inner profile
- Mounting: holder can be flexibly mounted on the frame
U-lock dimensions:
- Shackle height: 230 mm
- Shackle diameter: 14 mm.
Thickness | 14 mm |
Lock type | U-Lock |
Weight | 880 g |
Closing mechanism | Key |
Item number | 13632609 |
Manufacturer | Trelock |
Category | Bike locks |
Manufacturer no. | 8005196 |
Release date | 22.8.2020 |
Sales rank in Category Bike locks | 527 of 1852 |
Colour | Black |
Exact colour description | Black |
Material group | Metal |
Material | Steel |
Lock type | U-Lock |
Bicycle lock Accessory type | Bike lock holder |
Bike lock equipment | with holder |
Locking circumference | 23 cm |
Thickness | 14 mm |
Security level | 4 |
Closing mechanism | Key |
Country of origin | France |
CO₂-Emission | |
Climate contribution |
Length | 23 cm |
Inside temple dimensions Length | 23 cm |
Inside temple dimensions Width | 1.40 cm |
Weight | 880 g |
Length | 30 cm |
Width | 16 cm |
Height | 5 cm |
Weight | 1.01 kg |
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- 10.Fischer1 %
- 10.T'nB1 %
- 10.Trelock1 %
- 13.Hudora1.2 %
- 13.Segway-Ninebot1.2 %
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- TrelockNot enough data
- 1.Abus0 days
- 1.AXA0 days
- 1.Dunlop0 days
- 1.Fischer0 days
Return rate
How often is a product of this brand in the «Bike locks» category returned?
Source: Digitec Galaxus- 21.Abus3.5 %
- 22.Onguard5.1 %
- 23.Kryptonite5.2 %
- 24.AXA6.3 %
- 24.Trelock6.3 %

The Trelock is very secure when it comes to theft protection. The slim accessories and weight cost a few points. All in all, a convincing price/performance winner.