Hand built wheels from the Wide Open workshop - Please call with your specs! Is it Boost? 26, 27.5 or 29"? Do you want coloured hubs? Custom graphics? Push the boundaries of what fat bikes can do and where they can go with the Hugo 52 rims and wheelsets, the first rim to feature true NoTubes’ technology for fat bikes. An innovative raised center and ultra-low profile allow easy tubeless inflation, roll faster and give unbelievable traction. For fat bike riding, racing and adventuring First fat bike rim to feature genuine NoTubes' tubeless technology with innovative raised center rim profile for tubeless use - Rim width: 53.1mm external and 49.9mm internal for maximum tire volume and flotation - Multiple cassette and front and rear axle options - Tape and valves installed, ready to go tubeless out of the box!