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100 days Return Policy
Delivery 48/72 hours
Satisfied or money back
Worldwide shipping
100 days Return Policy
Delivery 48/72 hours
Satisfied or money back
Worldwide shipping
This website uses its own and third-party cookies to improve our services and show you advertising related to your preferences by analyzing your browsing habits. To give your consent to its use, press the Accept button.
Product sold out, but leave us your email and we will notify you as soon as it is available again
Order it before 22 hours and 36 minutes and receive it between on 05/02/2025 and 07/02/2025 with UPS Express WW
Choose the size of your fins based on your weight. If you want to increase the maneuverability of your surfboard, choose fins with a straight outline (more pivot, smaller sweep angle) and a normal base (less drive). If you want to boost the speed, hold, and control of your surfboard, choose fins a bit larger than your normal size, with a wide base (more drive), and an outline with more sweep (less pivot).
| Size | XS | S | MS | M | ML | L | XL |
| Weight | < 45Kg | 45-60Kg | 55-70Kg | 65-80Kg | 75-90Kg | 85-100Kg | > 95Kg |
Size Chart
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The M-Fins Quad Rear fins allow you to mount your surfboard on a quad by combining them with your front fins. They are also valid for a longboard as stabilizing fins.
Data sheet
| Main color | White |
| Number of fins included | 2 |
| Cover | Without |
| Rear fins depth | 89mm |
| Rear fins foil | Concave |
| Materials | Glass Flex |
| System | Compatible FCS |
| Rear fins base | 85mm (M) |
| Alen screw driver | Without |
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We tell you all everything about surfing, bodyboarding and Shape. From how to duck dive, until how to make a surfboard, or how to plug a bodyboard leash, we explain everything we know, almost everyting.
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100 DAYS TO RETURN A PRODUCT
If for whatever reason you want to return a product or your entire order, you have 100 DAYS to do so. If you return the product within the first 14 days, we will refund your money, and if you return the product after 14 days, we will issue you a purchase voucher valid for 1 year. You do not have to give us any explanation, we want you to buy with the utmost peace of mind, knowing that you can change your mind or make a mistake when choosing the product, without us putting any trouble when making the return.
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100 days return
If for any reason you wish to return a product , you have 100 days to do so.
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Satisfied or Money Back
You will get your money back, you don´t need to give any explanation.
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Secure Payments
You can pay safely, all transactions are protected by an SSL security certificate.
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Real-time Stock
Stocks are automaticly uptadated, so you always have an accurate information
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100 days return
If for any reason you wish to return a product , you have 100 days to do so (30 for sales)
Satisfied or Money Back
You will get your money back, you don´t need to give any explanation.
Secure Payments
Pay by credit card, Paypal or bank transfer quickly and safely
Real-time Stock
Stocks are automaticly uptadated, so you always have an accurate information
Mundo-Surf.com is your online Surf, Bodyboard, Skateboard and Stand-Up-Paddle shop. Our goal is to provide a wide selection of the best products and best surfing and bodyboarding brands. Surfboards, leash, covers, wetsuits, accessories , you will find in our online surfshop many top brands: Creatures, FCS, Shapers, Xcel, Pride, NMD, Versus, Sniper, Agent Eighteen, Zion, Eurofin, Bic, Mystic, NSP, Far King, etc ... We are a passionate team, so feel free to contact us, we will be glad to help you. We make our best to offer the best product at the best price, and to ship it as fast as possible.
* You have 100 days to return a product, 30 days for discounted products. If you have payed by PayPal, they will refund you for the cost to ship the article back.
** We ship worldwide, except Surfboards (only Europe)
*** At mundo-surf, the quality of service and products is a priority. If you want to return an item to us, we will give you a full refund (return within 14 days) or a voucher (return after 14 days and before 100 days).
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*Except surfboards and very bulky products, see general sales conditions. In love with surfing, bodyboarding and skateboarding. Our team lives by and for these sports, therefore, we put at your disposal the high quality technical material. In addition, we only trust the most reputable brands in the industry such as Rip Curl, Billabong, Quiksilver, Roxy, O´Neill, Creatures Of Leisure, FCS, Dakine, Ocean & Earth, Nomad, Funkshen, NMD, Versus, Sniper, Reeflex, Firewire , Lost, Channel Island, NSP, Torq, etc... If you have any questions about which material is the most suitable for you or about how it works, do not hesitate to contact us, we will be happy to help you. We strive to make it easy for you to find the products you are looking for, at the best price, and for you to receive it at home as quickly as possible.
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