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 > Shop By Type > Streamlined Featherline RDM Carbon Extension Alternative Views: Our Price: $179.00 Availability: Special Order, Please contact us for availability Base Style: Euro Pin Base Cup (US Cup-Push pin)) [Add $10.00] Choose Size: Streamlined Carbon Short 6-30 Streamlined Carbon Long 6-46 [Add $10.00] Qty: Description Size Chart Streamlined's new “HMX” pre-preg carbon graphite extensions for reduced diameter masts (RDM) are feather-light. In fact, Streamlined calls them the lightest extensions in windsurfing. They have an incredible strength-to-weight ratio. With a top quality pre-preg carbon fiber material and a meticulous manufacturing process, Streamlined has developed the strongest, lightest extensions possible. Compare the weight to any other similar extension.The 2cm adjustment settings are set with a hard-anodized aluminum collar tethered with a spectra line to a stainless steel pin to be fail-safe and virtually break-proof. Finally, Streamlined attaches a beefy new “Power-Six” super powerful, 6:1 downhaul cleat with large diameter pulleys perpendicular for power, easy rigging and no crossed lines. A tough, Dyneema super downhaul line is included. For Euro Pin:Short extends 6cm to 30cm; overall length 48cm (18-1/2"). Weight: 390g / 13.8 oz.Long extends 6cm to 46cm; overall length 64cm (25-1/2"). Weight: 450g / 15.9 oz. For Base CupShort extends 6cm to 30cm; overall length 48cm (18-1/2"). Weight: 370g / 13.0 oz. Long extends 6cm to 46cm; overall length 64cm (25-1/2"). Weight: 430g / 15.2 oz. Related Items Dakine Fixed Harness Lines Maui Ultra Fins X-Twin R 02 Streamlined Replacement Tendon Joint T-Nut Channel Insert 8mm Our Price: $29.00 Our Price: $63.00 Our Price: $22.00 Our Price: $4.00 Maui Ultra Fins X-Side Maui Ultra Fins X-Wave Makani Fins Mano Maui Fin Company Freewave Our Price: $45.00 Our Price: $124.00 Our Price: $119.00 Our Price: $108.00