900mm 20 Chromium Molybdenum Titanium Hardened Special Steel Chain Lock Anti Drill Anti Saw Anti Pry Security Bicycle Lock
Product Specifications
- Style
Contact Supplier
Product Highlights
- Anti-Theft Security: Features anti-drill, anti-saw, and anti-pry lock core with L-type lock bolt for enhanced stability.
- Premium Material: Constructed from 20CrMoTi hardened special steel with a durable, scratch-proof synthetic fiber outer sleeve.
- E-Bike Compatible: Designed to handle higher load and torque, making it suitable for electric bicycles and standard bikes.
- Flexible Design: Available in 8.3mm or 11mm diameter chain options, total length 900mm, offering flexibility and durability.
- Quality Assurance: Strict quality control at every stage including raw material inspection, in-process checks, and final inspection.
- Custom Packaging: Standard packing includes polybag, inner box, and export carton. Customized packaging is available upon request.
Product Attributes
- Customization
- Available
- Type
- Chain Lock
- Material
- Steel
- Model NO.
- TY7930 TY744
- Application
- Bicycle
- Transport Package
- Carton Packaging
- Specification
- 8.3 mm*900/11*11*900mm
- Origin
- China
- Package Size
- 45.50cm * 23.50cm * 17.00cm
- Package Gross Weight
- 13.600kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 900mm 20 Chromium Molybdenum Titanium Hardened Special Steel Chain Lock Anti Drill Anti Saw Anti Pry Security Bicycle Lock
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Product Description



Main Material | 20CrMoTi hardened special steel |
Outer Sleeve | Durable flexible synthetic fiber, scratch-proof |
Lock Core Performance | Anti-drill, anti-saw, anti-pry |
Lock Bolt Design | L-type lock bolt for enhanced locking stability |
Specification 1 | Diameter 8.3 mm, total length 900 mm |
Specification 2 | 11 mm × 11 mm, total length 900 mm |
Operation Method | Mechanical key unlocking |








A:This part is compatible with most standard electric bicycles and bicycles. To confirm compatibility, please advise your bike model, wheel size, mounting standard, and key dimensions. We can check for you before order.
Q:Do you test compatibility before shipping?
A:We usually confirm compatibility before shipment to avoid any installation issues.
Q:Is this product suitable for electric bikes?
A:Yes, this product is designed for electric bicycles and can handle higher load and torque compared with regular bicycles.
Q:Can I get a sample before bulk order?
A:Yes, samples are available. Sample cost can be refunded after bulk order confirmation.
Q:Can you offer a better price?
A:Our pricing is based on material cost, processing, and quality control. Please let us know your target quantity and market positioning, and we will try to offer the best workable price.
Q:How is the product packed?
A:Standard packing is one piece per polybag + inner box + export carton. Customized packaging is available upon request.
Q:How do you control product quality?
A:We conduct quality control at every stage, including raw material inspection, in-process checks, and final inspection before shipment.
Q:What if there is a quality issue?
A:If any quality issue occurs, please provide photos or videos within the warranty period. We will offer replacement, refund, or compensation after confirmation.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI256839". Items marked "" are certified.
Company Profile
Since 1994, TXED has been dedicated to building a world-class portfolio of bicycles and electric bikes, earning a strong reputation across multiple regions, especially in Europe. With over 30 years of expertise, we operate as an integrated manufacturing and trading company, delivering excellence to clients worldwide. Our factory, covering 15, 000m³ And staffed with 200 skilled workers, is equipped with modern facilities that support a monthly production capacity of 30, 000 bicycles. This ensures both large-scale supply and reliable, on-time delivery.
At TXED, we specialize in ODM & OEM projects, providing tailored solutions to meet the unique needs of our global partners. Backed by a complete R&D and quality management system, we guarantee product consistency and superior performance from concept to final shipment. Innovation drives our growth. Every three months, we introduce new structural and design upgrades, many of which are protected by patents. This continuous development enables our customers to stay ahead with differentiated products in a highly competitive market. We listen closely to customer feedback and pay meticulous attention to detail, combining customization with strict quality assurance. Certified under ISO9001, BSCI, and CE, we deliver not just products, but also confidence and long-term partnerships. With an annual output of 360, 000+ units and more than 100 patented products, TXED is your trusted partner for innovative, reliable, and sustainable mobility solutions.
All of TXED electric bikes models are designed and manufactured based in the present European/US standard. Most of our pedelecs have been tested and CE certified by TUV/ Rheinland, Germany, according to the present standard EN 15194.
About Our Factory & Business Background
- Address
- No. 31-3, South of Funing Road, Zhongbei Industrial Park, Xiqing District, Tianjin
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, DDP, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- TianJin port
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 1994-06-20
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Is this lock compatible with my bicycle or e-bike model?
- This part is compatible with most standard electric bicycles and bicycles. To confirm compatibility, please advise your bike model, wheel size, mounting standard, and key dimensions. We can check for you before order.
- Do you test compatibility before shipping?
- We usually confirm compatibility before shipment to avoid any installation issues.
- Is this product suitable for electric bikes?
- Yes, this product is designed for electric bicycles and can handle higher load and torque compared with regular bicycles.
- Can I get a sample before bulk order?
- Yes, samples are available. Sample cost can be refunded after bulk order confirmation.
- Can you offer a better price?
- Our pricing is based on material cost, processing, and quality control. Please let us know your target quantity and market positioning, and we will try to offer the best workable price.
- How is the product packed?
- Standard packing is one piece per polybag + inner box + export carton. Customized packaging is available upon request.
- How do you control product quality?
- We conduct quality control at every stage, including raw material inspection, in-process checks, and final inspection before shipment.
- What if there is a quality issue?
- If any quality issue occurs, please provide photos or videos within the warranty period. We will offer replacement, refund, or compensation after confirmation.
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