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Home » Products » Materials & Features » TR90 Frames » F23 48-21-148 Ultra-Flex Korean FLEX Lecool Hinge

F23 48-21-148 Ultra-Flex Korean FLEX Lecool Hinge

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Material:FLEX

Size: 48□21-148

MOQ: 10 pcs

Sales Model: Wholesale/OEM
  • F23

  • Lecool

Color:
Availability:
Quantity:

Introducing the Lecool F23 Super Elastic FLEX Series – a revolutionary hinge solution designed for high-end eyewear that demands both durability and extreme flexibility. 

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【Key Functional Attributes】

  • Model & Specs: F23 | 48-21-148 (Precision engineered for standard and custom frames)

  • Core Material: Korean FLEX Alloy – known for super elasticity, fatigue resistance, and lightweight feel.

  • Flexibility: Supports 180° ultra-wide opening angle. Perfect for sports eyewear, kids' glasses, and daily wear.

  • Durability: Tested to withstand 50,000+ bend cycles without loss of tension.

  • 独立站


【Design & Fit Concept】

The geometric linear design of the F23 hinge seamlessly integrates with various frame styles – from retro acetate to modern ultra-thin metal. Its balanced tension distribution ensures the frame wraps gently around different face shapes, ideal for users with high prescription lenses or those who need a secure yet flexible fit. The neutral silver/gunmetal color palette matches any frame color, from classic black to vibrant tortoiseshell.

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【B2B Customization – OEM/ODM Capabilities】

As a professional B2B supplier, Lecool offers full OEM and ODM services for the F23 series:

  • Custom logo engraving (laser marking)

  • Special color plating (gold, rose gold, matte black, etc.)

  • Tailored pin length and barrel diameter for your frame design

  • MOQ as low as 500 pairs for ODM projects


【Shipping & Logistics】

  • Samples: Ready in 3-5 days. Free sample policy for first-time B2B clients (shipping cost applies).

  • Bulk Orders: 15-25 days production lead time.

  • Shipping: DHL, FedEx, UPS express; sea freight (FOB/CIF); air cargo available.

  • Tracking: Real-time tracking number provided for all orders.

【After-Sales Service】

  • 12-month warranty against manufacturing defects.

  • 5% extra hinges included for quality assurance.

  • 24/7 technical support for hinge installation and adjustment.

【Company Strength】

Lecool is a certified eyewear component manufacturer with over 10 years of export experience. We partner with brands in  Southeast Asia. Our factory runs on ISO 9001 quality management systems, with each batch tested for salt spray (48H), tension consistency, and bend cycle count.


Frequently Asked Questions (FAQ)

Q1: Can the F23 hinge really bend 180° without breaking?
A: Yes. The Korean FLEX material gives it super-elastic memory. Even after 180° bending, it returns to its original shape immediately. We recommend watching our test video (contact us for link).

Q2: What is the difference between OEM and ODM?
A: OEM – You provide your frame design, we produce the hinge exactly to your spec. ODM – You choose from our existing F23 series and we add your logo, color, or packaging.

Q3: What payment methods do you accept?
A: T/T (bank transfer), L/C at sight, PayPal for sample orders, and Western Union.




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WeChat: +86-18027253771
WhatsApp: +8618027253771
Address: No.207-208, 2/F WanFeng Glass City, No.36-38 Hui Fu Xi Road, Yue Xiu Area, Guangzhou

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