Geometry: Competitive XC Geometry. Frame: By pairing a FACT 9m carbon fiber frame w/ an M5 alloy rear end with our XC 29 Geometry, this Epic places a focus on tight tube angles and light overall weight for explosive speed and nimble handling on the race circuit. FACT Carbon FSR Frame? 142 mm Dropout? Fork: A RockShox Reba RL 29 fork offers up 100mm of smooth travel, while an easily accessible compression and rebound adjusts permit you to customize the feel according to the terrain at hand. 100 mm Travel, adjustable Damping / Lockout / Platform, Thru Axle / QR Thru Axle . Rear Suspension / Shock, Specialized/FOX Mini Brain Damper with AutoSag. Shimano Deore XT 11-speed rear derailleur is tough.