Streamlined Rdm Extension V8 Us
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The RDM EXTENSION V8 US is a lightweight and versatile extension for RDM masts with the US CUP system. Available in two lengths (30 cm and 46 cm), it allows you to lengthen the mast without replacing it, maintaining optimal rigidity and performance thanks to the anodized 6061 T6 aluminum construction and the one-piece V8 sail pulley.
Technical Specifications
System: RDM Extension US CUP
Extension: 6061 T6 anodized aluminum int/ext + stainless steel
V8 Sail Pulley: 5083 alu monoblock + 40 micron hard anodization
Rope: Marlow FORMULINE
Available lengths: 30 cm, 46 cm
Connection: US CUP standard
Questions and Answers
Q: What are the benefits of a US RDM extension?
The RDM EXTENSION V8 US allows you to lengthen the mast without changing it, adapting the same mast to different lengths, offers cost savings with a single extension, adds minimal weight to the equipment, and maintains rigidity characteristics even with extensions.
Q: What is the difference between RDM EUR and RDM US?
The EUR version uses the European standard Euro Pin system. The US version uses the American standard US CUP system. Both offer the same lengths (30 cm and 46 cm), the same build quality, and the same materials. Choose based on your tree's system.
Q: What are the differences between 30cm and 46cm lengths?
The 30 cm version offers moderate and versatile extension, ideal for light adjustments. The 46 cm version offers greater extension for shorter trees, ideal for wide length variations. Choose based on your configuration needs.
Q: How does the US CUP system work?
US CUP is the American RDM standard. The extension connects to the mast via the US CUP cup system, which ensures a secure and reliable connection. The system is universal and has been proven over years in competition, making it easy to assemble and disassemble.
Q: Why is 6061 T6 aluminum anodized internally/externally?
6061 T6 aluminum is chosen for its lightweight construction, high mechanical strength, and good rigidity. Internal and external anodizing provides complete protection from the salty marine environment and significantly extends the product's service life.
Q: What is the one-piece V8 pulley?
The V8 sheave is a new, optimized design made from anodized 5083 aluminum. Monoblock design means a single piece without joints, eliminating weak points. It guides the mainsail with perfect glide, distributes the load evenly, and offers superior performance.
Q: How to maintain the RDM EXTENSION V8 US?
Rinse with fresh water after saltwater use, dry completely before storing, check the US CUP connection for looseness, check that the sheave rotates freely, inspect the mainsail for damage, lightly lubricate the connection if necessary, and store in a horizontal position if possible.
Q: Is this compatible with all RDM US CUP trees?
The RDM EXTENSION V8 US is compatible with STREAMLINED shafts and other RDM US CUP certified shafts. Always check that the shaft is RDM US CUP certified and that the connecting cup matches. It is not compatible with Euro Pin shafts.
ZZZSURF Shipping and Delivery
Buy with peace of mind: with ZZSURF you get your windsurfing, wingfoil, kitesurfing and watersports products delivered directly to your doorstep, anywhere in the UK and most European countries.
Shipping Times
- Italy: Standard delivery in 24/48 business hours from shipment for most items in stock.
- Europe: delivery in 2-5 business days depending on the country of destination.
- For islands, remote areas or bulky items (boards, SUPs, foils, rigs, masts and booms) delivery time may vary by 1-2 business days.
Shipping Costs
- Italy: Free shipping on orders over $50. For lower orders, a shipping charge may apply.
- EU countries: Cost starts from €24.90 for orders under €200, the price however may vary depending on country and volume of products. The exact calculation is displayed during checkout.
- For bulky products (boards, sails, foils, SUPs, kayaks, etc.) a surcharge may be required. It will always be clearly communicated prior to order confirmation.
Shipping Methods
- We ship with specialized express couriers (GLS, BRT, DHL, UPS, SDA, etc.), selected according to product type and delivery area.
- All products are packed carefully and, where necessary, with reinforced packaging to ensure maximum safety during transport.
- You will receive tracking via email/SMS as soon as the shipment leaves our warehouse.
Pickup at Headquarters
- You can pick up your orders for free at our ZZSURF warehouse in Gallarate Via Mameli 48 (VA) Italy - Please note this is not a store but a pickup point where orders already placed on the site can be picked up.
- You will be notified as soon as your order is ready for pickup.
Important Notes
- Always check the integrity of packages upon delivery and sign with reserve in case of damaged packaging.
- For any doubt or urgency, you can contact our customer service: info@zzsurf.com or WhatsApp directly from the website
- We also ship to Switzerland and UK: contact us for a customized quote.
Methods of Payment on ZZSURF
On ZZSURF, operated by Twoside srl, you can choose from several payment methods, all of which are secure and designed to provide you with maximum convenience:
Credit Cards:
Major credit and prepaid cards are accepted, including Visa, Mastercard and American Express. This method allows you to complete your purchases quickly and securely.
Klarna:
With Klarna you have the option to purchase now and pay off the amount later, choosing from various installment options as needed. A credit card is required to complete payment through Klarna. The maximum amount allowed, including shipping costs, is €1,500.
PayPal:
Paying with PayPal will allow you to make secure and fast transactions without having to re-enter your card information each time. In addition, in some situations, PayPal allows you to split the payment into convenient installments directly from your account.
Bank Transfer:
If you prefer, you can also pay by bank transfer. You will receive all the necessary details when you place your order. Shipment will be made only after verification of receipt of payment.
After placing your order you will need to make the transfer payable to : Twoside srl , IBAN IT74M0326850240052341838010 indicating the order number
Security of Transactions
All payments on ZZSURF are secured using SSL (Secure Socket Layer) technology, which protects your credit card information. During order completion, 3D Secure verification is also activated, which adds an additional layer of security by requiring additional confirmation via web, app or SMS. These measures allow you to shop with confidence.