Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook SDM Mast Extension Cap Back Chinook Chinook SDM Mast Extension Cap Product ID: 178 Brand: Chinook 2025-05-03 From: $14.99 AUD View or buy the Bits and Pieces Windsurfing Other - Chinook SDM Mast Extension Cap from Chinook to discover other options and shipping details. Description Plastic cap for Chinook SDM mast extension. OD 48mm fits 44mm tube Back to Windsurfing Other - Bits and Pieces More Bits and Pieces and others in our range Chinook Tendon Joint Chinook Rubber Universal Joint Kit Goya Footstrap Anti Twist Washer Patrik GC Tekcam Reduced Cambers Surf Sail Australia Vent Screw O Ring 10 pack Patrik EVA Nose Protector Foil Board Patrik Mast Extension Adjustable Collar RDM Chinook RDM Boom Shim for Pro Front End K4 Fins US Box Blanker Chinook 4.0 mm Spectra Downhaul Rope