The worlds first (!) chain wax specifically developed to be used indoor.
This hyper efficient, super silent wax is all you need to ensure ultra-smooth indoor cycling this winter season. Tested and approved by avid Zwifters on their Tacx, Wahoo and Elite trainers.
It is possible to use this wax outdoors just not in wet conditions. You can apply any other Dynamic Wax over the Watts-Up Wax if you decide to take your bike outdoor and expect some bad weather. The formula is planet-friendly and easy to use.