Using a carbon fibre A-frame with a UV-resistant, clear polyurethane finish, Trogear adjustable bowsprits are lightweight, strong and easy to use. The Trogear’s solid, triangular design offers the best weight-to-strength ratio on the market, is easy to install and can be removed if necessary. Uniquely designed with a hinged installation and adjustable bobstay, it can be placed upright to attach sails or stow at the dock. The luff tension of the sail is adjustable from the cockpit via a control line. The AS25 is an ideal retrofit solution for your sailboat and facilitates flying asymmetrical spinnakers and Code 0s. It is suitable for standard boats up to 30 feet, with maximum 93M2 asymmetric sail and 75M2 Code 0. The inside width at the hinge is 224mm and the hinge diameter is 25.4mm. Mounting options include: - Through hull - U-bracket set for deck mounting - Carbon fibre side mounts for below deckline installation - Catamaran mounting brackets This product includes the parts needed for through hull installation: - aluminum 6061 black anodized hinge shaft - stainless steel marine grade 5/16 bolts and washers - G10 fibreglass hinge tube Bobstay rigging parts are not included. Note that the given working load is the maximum load created by the bobstay on the bowsprit at the attachment point of the bobstay to the bowsprit. This product comes with a 3 year warranty.