SKU 660 · Bicycle Locks · ART 4-star certified · OEM & Private Label available
660 ART 4-Star U-Lock & Chain Set
The 660 is a U-lock and chain set quoted as one complete set: a U-lock with 44 × 113 × 121 mm body dimensions and a 10 mm × 1,000 mm chain, supplied with a polyester carry bag and three brass keys. The chain is made from 20CrMnTi steel with a fabric sleeve, and the U-lock shackle from 20Cr steel. The complete set weighs 2,560 g. The 660 U-lock and chain set is ART 4-star certified through our manufacturing partner.
- ART 4-star certified set — The 660 U-lock and chain set carries ART category 4 certification, held by our manufacturing partner. Certification details and applicable ratings are confirmed by model.
- U-lock plus chain in one set — The chain can secure the wheels or a second fixed object while the U-lock anchors the frame.
- 10 mm × 1,000 mm chain — 20CrMnTi steel chain with fabric sleeve, supplied with a polyester carry bag.
- Complete set configuration — U-lock, chain, three brass keys and carry bag quoted as one set at 2,560 g.
- Wholesale MOQ from 500 pcs — MOQ starts from 500 pcs for the documented configuration.
- OEM and private label available — Branding, packaging and project requirements are coordinated with the partner factory per project.
Emily Qin · Sales Director · emily@ridingoutdoor.com · WhatsApp / WeChat +86 134 1076 4036
A U-lock and chain set quoted as one complete set
A U-lock and chain set pairs a U-lock with a chain: the U-lock anchors the frame to a fixed object, and the chain secures the wheels or a second object. The 660 set is quoted as one complete configuration rather than as separate components.
The set includes the U-lock, a 10 mm × 1,000 mm 20CrMnTi steel chain with a fabric sleeve, three brass keys and a polyester carry bag. Total set weight is 2,560 g. Specifications are confirmed against the partner’s documented capability before the model is quoted.
Technical specifications
| Model / SKU | 660 |
|---|---|
| Lock type | U-lock & chain set |
| U-lock dimensions | 44 × 113 × 121 mm |
| Chain specification | Ø10 mm × 1,000 mm, 20CrMnTi steel, fabric sleeve |
| Set weight | 2,560 g (lock + chain) |
| Shackle material | 20Cr steel |
| Cylinder | Zinc alloy |
| Keys | 3 brass keys |
| Accessories | Polyester carry bag |
| Color | Black |
| Packaging | Mailer-style box, 4 sets per carton |
| Carton size | 28 × 26 × 24 cm |
| Gross weight per carton | 12 kg |
| MOQ | 500 pcs (documented configuration) |
| ART certification | ART 4-star, held by manufacturing partner |
ART certification for this model
This model is ART certified, with the certification held by our manufacturing partner. Certification details and applicable ratings are confirmed by model, and the certification does not replace market-specific or insurance requirements.
Using an ART statement or mark in your own branding is subject to the applicable ART registration and authorization requirements.
OEM and private label cooperation
For OEM and private-label projects we coordinate product specification confirmation, sampling, branding, retail packaging, quality checks and export arrangements with the manufacturing partner. Custom colors, custom packaging and other project-specific requirements are confirmed per order and per project.
What the 660 set includes
Each set is supplied with the U-lock, the 10 mm × 1,000 mm chain in a fabric sleeve, three brass keys and a polyester carry bag for the chain. The documented configuration is black.
The set is quoted and packed as one complete configuration, so a single order line covers the full set for retail or programme use. Other chain lengths and configurations are confirmed per order and per project.
Frequently asked questions
What does ART 4-star mean for this set?
ART category 4 is the certification category recorded for the 660 chain lock series, held by our manufacturing partner. Certification details and applicable rating are confirmed by model.
What is included in the set?
The U-lock, the 10 mm × 1,000 mm chain, three brass keys and a polyester carry bag.
Can the chain length be customized?
The documented configuration is a 1,000 mm chain. Other chain lengths and configurations are confirmed per order and per project.
What is the MOQ?
MOQ starts from 500 pcs for the documented configuration.
Is a mounting bracket included?
The documented configuration does not list a mount bracket; carrying and mounting options are confirmed per project.
What is the lead time?
Lead times are confirmed per order and per project.
Related products
Other confirmed models in the same sourcing program.
Commercial & programme information
The commercial terms that apply to this model. Where a figure is not published, it has not been confirmed and is agreed per project.
| MOQ | 500 pcs (documented configuration) |
|---|---|
| Pricing | Not published. Quoted per project after specification and destination market are confirmed. |
| Lead time | Not published. Confirmed per project. |
| OEM / Private Label | Available, subject to project confirmation |
Request a quote for 660
Send the target market, expected configuration and volume you are evaluating. We will come back with confirmed specifications, sampling steps and documentation status for the models you are considering.