Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook SDM Mast Extension Cap Back Chinook Chinook SDM Mast Extension Cap Product ID: 178 Brand: Chinook 2026-10-19 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 QR Deck Plate No Hardware Chinook Deck Washer Goya Adjustable Collar And Pin For RDM Extension Patrik SDM Cambers Ezzy Batten Tension Adjuster Surf Sail Australia Mini Tuttle Plastic Cover Patrik Windsurfer Nose Protector Chinook 4.0 mm Spectra Downhaul Rope Patrik GC Tekcam Reduced Cambers Select Fin Box Adaptor Bic (Trim)