TREK X-Caliber 8 2021- fast mountain bike 29er for singletrack: bike review - YouTube
Took new X-Caliber 8 (2020 model) for its first spin...Super happy with it! My last Trek had 21 gears so I had to get used to the new range, the 12 gears
Trek Marlin 8 vs Trek X-Caliber 8: Which One Is Best? - YouTube
X-Caliber 8 | Trek Bikes
Trek X-Caliber 8 - Southern California Bike Shop | Jax Bicycle Center