Aspen STDescription The Maxxis Aspen ST is a fast rolling cross country tire designed for speed focused riders and race day conditions. Built as a more aggressive counterpart to the standard Aspen, the Aspen ST uses a low profile tread pattern that balances straight line speed with improved cornering control on hardpack and mixed terrain. This version features Maxxis MaxxSpeed compound for reduced rolling resistance, combined with EXO sidewall protection for