\u2630 Shop All Categories\n\n--\nMotorsport\n\n--\nKarting\n\n--\nPerformance\n\n--\nMotorcycle\n\n--\nMX/Off Road\n\n--\nTools/Workshop\n\nStilo Water Tube For ST4 / ST5 / ST6 Helmet Drinks System - Motorsport\n\nThis water tube is for use in Stilo ST4, ST5 and ST6 helmets with Drinking System.\nImage is for illustration purpose only, male coupling is not included. 04.10.2026, 10:09:21\n\nAbout Us\n\nDelivery\n\nFAQ\n\nReturns\n\nContact Us\n\nDemon Tweeks was established in 1971 to service the needs of the\nmotorsport competitor and our\nprincipals of offering top products, quality, service and rapid availability are as important to\nus today as they were in the very beginning. We are leaders in the supply of race wear,\ncompetition and road tuning parts for cars and bikes. Within a staff totalling over 140 is a\ndedicated sales team servicing upwards of 3000 telephone and online enquiries received every day\nfrom the UK and the rest of the world.\n\nOur impressive 140,000 sq.ft. .