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2022-2023

X-Caliber 8

Model 5259715

X-Caliber 8 is a cross country mountain bike made for fast laps and long days on the trail. It's built with special attention to value and the parts that make the biggest difference in performance. A 1x Shimano drivetrain, RockShox fork, and hydraulic disc brakes make it a great choice for new mountain bikers and XC racers searching for fast, fun, singletrack adventure.

Color / Satin Lithium Grey
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Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

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*Please note - spec applies to all sizes unless listed separately

Frame Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5mm QR
*ForkSize: XS
RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Lite, 80mm travel
Size: S
RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, Boost110, 15mm Maxle Lite, 100mm travel
Size: M, ML, L, XL, XXL
RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 100mm travel
Max compatible fork travel120mm, XS: 100mm
Hub front Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
Hub rear Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost141, 5mm QR
*RimSize: XS, S, M, ML, L, XL, XXL
Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
Size: XS, S, M, ML, L, XL, XXL
Bontrager Kovee, double-wall, Tubeless Ready, 32-hole, 23mm width, Presta valve
Spokes 14g stainless steel, black
*TireSize: XS, S
Maxxis Ardent Race, tubeless ready, EXO casing, folding bead, 60tpi, 27.5x2.35''
Size: M, ML, L, XL, XXL
Maxxis Ardent Race, tubeless ready, EXO casing, folding bead, 60tpi, 29x2.35''
Tire part Bontrager TLR sealant, 6oz
Rim stripBontrager TLR
Max tire sizeFrame: 27.5x2.80" or 29x2.40", Fork: See manufacturer
Shifter Shimano Deore M6100, 12 speed
Rear derailleurShimano XT M8100, long cage
*CrankSize: XS, S, M
Shimano MT511, 30T steel ring, 52mm chainline, 170mm length
Size: ML, L, XL, XXL
Shimano MT511, 30T steel ring, 52mm chainline, 175mm length
*Bottom bracketSize: XS, S, M, ML, L, XL, XXL
Shimano BB-MT501 BSA
Size: XS, S, M, ML, L, XL, XXL
Shimano SM-BB52, 73mm, threaded external bearing
Cassette Shimano Deore M6100, 10-51, 12 speed
Chain Shimano Deore M6100, 12 speed
PedalVP-536 nylon platform
Max chainring size1x: 32T
Saddle Bontrager Arvada, steel rails, 138mm width
*SeatpostSize: XS, S
Bontrager alloy, 31.6mm, 12mm offset, 330mm length
Size: M
Bontrager alloy, 31.6mm, 12mm offset, 360mm length
Size: ML, L, XL, XXL
Bontrager alloy, 31.6mm, 12mm offset, 400mm length
*HandlebarSize: XS
Bontrager alloy, 31.8mm, 5mm rise, 690mm width
Size: S, M
Bontrager alloy, 31.8mm, 5mm rise, 720mm width
Size: ML, L, XL, XXL
Bontrager alloy, 31.8mm, 15mm rise, 750mm width
GripsBontrager XR Trail Comp, nylon lock-on
*StemSize: XS, S
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 60mm length
Size: M, ML
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length
Size: L
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length
Size: XL, XXL
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Headset Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom
Brake Shimano MT200 hydraulic disc
*Brake rotorSize: XS, S, M, ML, L, XL, XXL
Shimano RT26, 6-bolt, 160mm
Size: L, XL, XXL
Shimano RT26, 6-bolt, 180mm
Brake Set Shimano MT200 hydraulic disc
WeightM - 13.05 kg / 28.78 lbs
Weight limitThis 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, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.