Where can I buy a new inner tube? Chris July 02, 2019 09:13 Updated Follow You can order a new inner tube from the Gocycle webstore or any reputable cycle dealer. The inner tube must be suitable for a 20in x 1.75in (406mm x 47mm) wheel size. Follow this link for the Gocycle webstore, or your nearest Gocycle Reseller. Related articles How long will the Gocycle Performance Tyres last? Modifying the Gocycle Gocycle GX - Owner's Manual (EN) - English Adjusting the PitstopWheel® Quick Release Cam Levers Hydraulic Brakes Comments 0 comments Please sign in to leave a comment.