Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook SDM Mast Extension Cap Back Chinook Chinook SDM Mast Extension Cap Product ID: 178 Brand: Chinook 2025-07-31 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 Patrik 4.0 mm Spectra Dyneema Downhaul Rope Patrik EVA Nose Protector Foil Board Chinook SDM Mast Extension Collar And Pin Streamlined Quick Connect Deck Plate Chinook RDM Boom Shim for Pro Front End Chinook QR Deck Plate Patrik Plastic Camber Spacer Chinook Tendon Joint Ezzy Volcano Patrik Tube Batten Tensioner