The 811 drum cheeks swivel through 360°, ensuring safe manoeuvres through a regular feeding of the tiller rope. The drum core is made from highly resistant aluminium combining performance and lightweight features. Drum and halyard swivel are equipped with Torlon® and Delrin® ball bearings for increased performance and mechanical resistance.
Stay Ø 4-7mm, drum capacity 17,5mt, rope Ø 8mm. For boats beween 8-11mt. Drum sheet Ø 6,5mm. Supplied complete for 11.20mt stay. Max genoa dimensions m² 35. Chainplate mounting version.