XC (Cross Country) The Aspen ST is an ultra-low-profile race tire designed primarily for short track XC use. Sometimes referred to as the “Fastpen,” this tire is sure to give any racer an edge in dry conditions. Rubber: MaxxSpeed Casing: 120 TPI EXO (XC Race) 170 TPI EXO Team Spec (Ultra Lightweight XC) 2.40″ sizes are optimized for rims with an internal width of 30mm Tubeless Ready (TR) Category: XC Race Recommended Uses: Dry XC Conditions Recommendation Installation: Front or rear Show More Show Less
