Go! Menu Boards Shop By Brand Exocet Naish Quatro Simmer Tabou Shop By Type Wave - Freemove Freeride- Slalom Wind Foil View All Sails Shop By Brand Aerotech Naish Simmer XO Sails Shop By Type Beginners & Kids Freeride & Slalom Wave & Freestyle Wind Foil View All Accessories Shop By Type Bases & Extensions Boom Heads & Accessories Clothing Equipment Bags Fins Footstraps & Traction Helmet Harness Harness Lines Impact Vests Roof Straps & Pads Shoes & Boots Tools - Parts - Repair Uphaul Booms Shop By Brand Aeron Naish Simmer Streamlined Boom XO Shop By Type Aluminium Carbon Beginners & Kids View All Masts Shop By Brand Epic Gear Naish Simmer View All Shop By Type Beginners & Kids RDM 30%-60% RDM 70%-100% SDM 30%-60% SDM 70%-100% Foil Foils Exocet Simmer Slingshot ALUMINUM CARBON Foil Parts Bags Fuselages Hardware Leashes Masts Pumps Wings Sale Windsurfing Boards Booms Masts Sails Others Toggle navigation LOOPEE Sports LLC FREE SHIPPING On Eligible Orders Over $199* MY ACCOUNT MY CART CHECKOUT LOG IN Boards Shop By Brand Exocet Naish Quatro Simmer Tabou Shop By Type Wave - Freemove Freeride- Slalom Wind Foil View All Sails Shop By Brand Aerotech Naish Simmer XO Sails Shop By Type Beginners & Kids Freeride & Slalom Wave & Freestyle Wind Foil View All Accessories Shop By Type Bases & Extensions Boom Heads & Accessories Clothing Equipment Bags Fins Footstraps & Traction Helmet Harness Harness Lines Impact Vests Roof Straps & Pads Shoes & Boots Tools - Parts - Repair Uphaul Booms Shop By Brand Aeron Naish Simmer Streamlined Boom XO Shop By Type Aluminium Carbon Beginners & Kids View All Masts Shop By Brand Epic Gear Naish Simmer View All Shop By Type Beginners & Kids RDM 30%-60% RDM 70%-100% SDM 30%-60% SDM 70%-100% Foil Foils Exocet Simmer Slingshot ALUMINUM CARBON Foil Parts Bags Fuselages Hardware Leashes Masts Pumps Wings Sale Windsurfing Boards Booms Masts Sails Others MENU Open menu ALL CATEGORIES WINDSURFING Accessories Bases - Extensions & Parts Boom Heads & Accessories Clothing Equipment Bags Fins Footstraps & Traction Helmets Harness Harness Lines Impact Vests Roof Straps & Pads Tools - Parts - Repair UpHaul Wind Meter Boards Exocet Quatro Simmer Tabou Wave - Freemove Freeride- Slalom Booms Aeron Epic Gear Naish Simmer Streamlined Boom Aluminium Carbon Beginners & Kids Masts Epic Gear Naish Simmer Beginners & Kids RDM 40%-60% RDM 80%-100% SDM 30%-60% SDM 70%-100% Sails Aerotech Naish Simmer Beginners & Kids Wave & Freestyle Freeride & Slalom WINDFOIL Foil Boards Compatible Boards Foil Boards Hydrofoils Windsurf Foils Foil Parts Foil Hardware Foil Masts Foil Wings SALE Boards Booms Masts Sails Others Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Accessories > Aeron Extension RDM Euro Pin & US Cup Alternative Views: w $99.00 Availability: Out Of Stock Choose Size: Aeron Extension RDM US Cup 30cm Aeron Extension RDM US Cup 46cm [Add $5.00] Aeron Extension RDM Euro Pin 30cm Aeron Extension RDM Euro Pin 46cm [Add $10.00] Qty: Description Aeron extension for RDM mast. Euro Pin & Us Cup Aeron introduces a further improved range of extensions to choose from: • The new 8:1 Ratio range is a U Pin specific extension available in Heavy Duty alloy or Carbon. With the new full stainless auto cam system adjustment collar. • The most popular full skinny extension is new and improved with the cast stainless release button and full stainless auto cam system adjustment collars. • The Dual System continues as the most robust extension available and the only extension suitable for U Pin or Push Pin bases. Related Items Maui Fin Company Weed Wave Chinook Universal rubber Joint Flex 2023 Exocet Cross Silver Simmer SX10 Carbon SLIM Our Price: $139.00 Our Price: $24.00 Sale Price: $1,439.00 Our Price: $919.00 Epic Gear Epoxy SDM Mast Aeron V-Grip Hybrid MFC single daylight board bag Simmer Fixed Harness Lines Our Price: $150.00 Our Price: $310.00 Our Price: $112.00 Our Price: $25.00