Trek X-Caliber 8

Caution: X-Caliber will get you hooked. It packs all of Trek’s XC race hardtail experience into a light, fast bike that pairs the right wheel size with each frame size.


Nothing beats the efficiency, simplicity, and straight-up fun of an X-Cal hardtail in 29er or 27.5". Great for XC racing, or simply shredding singletrack.

Key features

  • All-new lightweight Alpha Gold Aluminum frame delivers a phenomenal ride quality
  • Shorter chainstays and Boost141 hub spacing for increased agility and clearance for wider tires
  • Updated geometry and E2 tapered head tube for more confident handling
  • Sleek internal routing protects cables and accommodates dropper post upgrades

Specifications

  • Frameset

    Frame
    Alpha Gold Aluminum, E2 tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, G2 Geometry
    Front suspension
    RockShox 30 Silver, air spring, preload, rebound, TurnKey lockout, E2 tapered steerer, G2 Geometry w/51mm offset on 29ers, 100mm travel (13.5: 80mm travel)
  • Wheels

    Front Hub
    Formula DC20 LW alloy
    Rear Hub
    Formula DC2241 alloy, Boost141
    Rims
    Bontrager Duster Elite Tubeless Ready 28-hole, tubeless strips and valves sold separately
    Tires
    Bontrager XR2, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝)
  • Drivetrain

    Shifters
    Shimano Deore M6000, 10 speed
    Front derailleur
    Shimano Deore M6020
    Rear derailleur
    Shimano Deore XT, Shadow
    Crank
    Race Face Ride, 36/22
    Bottom bracket
    Sealed cartridge
    Cassette
    Shimano HG50, 11-36, 10 speed
    Chain
    KMC X10
    Pedals
    Wellgo nylon platform
  • Components

    Saddle
    Bontrager Evoke 1.5
    Seatpost
    Bontrager SSR, 2-bolt head, 31.6mm, 12mm offset
    Handlebar
    Bontrager alloy, 31.8mm, 5mm rise, 720mm width
    Grips
    Bontrager Race Lite, lock-on
    Stem
    Bontrager Elite, 31.8mm, 7 degree
    Headset
    Semi-integrated, 1-1/8˝ top, 1.5˝ bottom
    Brakeset
    Shimano M315 hydraulic disc
  • Weight

    Weight
    17.5" - 13.06 kg / 28.80 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

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