Features
SIZE

53 mm.56 mm.
Before making your purchase, make sure to check the measurements of your glasses. This model is available in x lens width. All dimensions are listed in millimeters and include lens width, bridge, and temple length.
MATERIAL

Crystal
EASY INSTALLATION

Easy Installation
All our spare parts are designed to fit perfectly with your original model. You can do it yourself at home by following our step-by-step instructions or videos.
Description

Restore your Ray-Ban RB4454 Flacko with original replacement lenses
Bring your Ray-Ban RB4454 Flacko sunglasses back to life with these 100% original replacement lenses. Manufactured and distributed by Ray-Ban/Luxottica, they guarantee authenticity, perfect fit, and premium optical quality. Each pair features the iconic RB logo, proof of genuine Ray-Ban craftsmanship.
Choose these official lenses to maintain the original look, comfort, and sun protection of your sunglasses. Designed for seamless integration, they ensure your Ray-Ban RB4454 Flacko frames perform and look as new.
Technical specifications and materials
- Compatibility: Exclusively for Ray-Ban RB4454 Flacko
- Shape: Rectangular
- Sizes: 53 mm and 56 mm lens diameter (height: 37 mm and 39 mm respectively)
- Original lens colors:
- 31 - Green (Crystal)
- 48 - Black Polarized (Crystal)
- 71 - Grey Gradient (Crystal)
- B1 - Dark Grey (Crystal)
- 56 - Blue (Crystal)
- 51 - Brown Light Gradient (Crystal)
- Lens material: High-quality crystal (mineral glass), as per color reference
- Original frame material: Acetate
- Use: Sunglasses for adults
- Product type: Pair of original Ray-Ban replacement lenses
How to check your model and exact size?
To ensure compatibility, follow these steps:
- Find the model code inside the temple arm (should read "RB4454" or similar).
- Check the size, indicated as a number next to the model (e.g., 53 or 56).
- Look for the color code, which may appear after the size (e.g., 31, 48, 71, B1, 56, 51).
- Confirm the shape and measurements match your sunglasses.
If unsure, compare your current lenses with the specifications above.
Frequently asked questions before buying your lenses
Are these identical to the lenses my sunglasses came with?
Yes, these are original Ray-Ban/Luxottica replacement lenses, made to official standards with the RB logo. Minor variations in color or material may occur due to official updates or production years.
What exactly is included in my order?
You will receive one pair of original Ray-Ban RB4454 Flacko lenses. Frame not included.
Are they guaranteed authentic?
Yes, all our replacement parts are genuine, supplied by Ray-Ban/Luxottica.
Explore our full range of original Ray-Ban replacement parts.
You can also browse all our original Ray-Ban lenses available for other models.
Tutorial
How to Change Your Glasses’ Temples in 5 Steps
- Prepare your tools: You will need a small screwdriver (if the temples have screws) or just your hands if they are snap-on.
- Remove the old temples: If they are attached with screws, carefully unscrew them. If they are snap-on, gently slide them out of the frame.
- Compare the new temples: Ensure the replacement is compatible with your model by checking the size and attachment system.
- Install the new temples: Properly align the hinges and tighten the screws or snap the temples into place.
- Check the fit: Try on the glasses to make sure the temples are securely attached and aligned. Adjust if necessary.
It’s that easy! With these simple steps, you can give your favorite glasses a second life effortlessly.
Be Eco-Friendly

Commitment to Quality and the Environment
At Replacementlenses.net, our commitment to both quality and the environment is at the core of our mission.
We understand the importance of sustainability in today’s world, which is why we offer replacement parts for your glasses. Our goal is to help you extend the life of your favorite eyewear, reducing waste and the need for new purchases.
By choosing our products, you not only save money but also contribute to a more sustainable future. We believe that every small effort counts and that together we can make a big difference in protecting our planet.
Additional information
| Weight | 25 g |
|---|---|
| Dimensions | 20 × 10 × 1 cm |
| Audience | Adult |
| Use | Sun |
| Product Type | Original |
| Brand | Ray-Ban |
| Ray-Ban Model | |
| Front Material | Acetate |
| Temples Material | Acetate |
| Size | 53, 56 |
| Shape | Rectangular |
| Lenses Color | 31 – GREEN – CRYSTAL, 51 – BROWN LIGHT GRADIENT – CRYSTAL, 56 – BLUE – CRYSTAL, B1 – DARK GREY- CRYSTAL, 48 – BLACK POLARIZED – CRYSTAL, 71 – GREY GRADIENT – CRYSTAL |
| Temple Size | 145 |
| Height (mm) | 37, 39 |
| Width (mm) | 53, 56 |
| Lens material | Crystal |





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