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.

• MaxxSpeed features a high-silica content compound that reduces rolling resistance while also enhancing wet traction
• EXO casing provides protection on sidewalls for extreme cut and abrasion resistance while remaining lightweight and highly flexible
• Team-spec tires feature a lighter, faster and more supple 170 TPI casing for the lowest weight possible, with a reduction in durability