Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook SDM Mast Extension Cap Back Chinook Chinook SDM Mast Extension Cap Product ID: 178 Brand: Chinook 2025-05-02 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 Surf Sail Australia Mini Tuttle Plastic Cover With Screw Select Fin Box Adaptor Bic (Trim) Chinook Footstrap Retaining System Chinook Adjustable Collar And Pin For SDM Extension Patrik RDM Cambers Patrik Slot Box Box Blanker 130mm Surf Sail Australia Vent Screw O Ring 10 pack K4 Fins Mini Tuttle Box Blanker BLACK Patrik EVA Nose Protector Foil Board Patrik Mast Extension Adjustable Collar RDM