Salsa Blackthorn 145 C Frame - 29" Carbon Black / Graphite Gray LargeBlackthorn 145 is our all mountain bike built for rugged backcountry trails and rowdy lines. Its most at home on the steep stuff whether climbing or descending and it loves a big day out on mixed terrain. High modulus carbon UDH compatible frame Split Pivot suspension (coil shock compatible) Fits two bottles in main triangle + on bike cargo features Progressive trail geometry in four sizes Split Pivot + design philosophy allows for 125145mm rear