X-Caliber frame set is a high-value alloy mountain bike frame set for fast singletrack rides. Lightweight Alpha Aluminium tubes, shorter chainstays for extra agility and an incredible amount of versatility make it a great starting point for your cross country mountain bike.
Key Features Trek X-Caliber Frame Set 2026
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Alpha Gold Aluminium Frame: Lightweight and durable.
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Fork Compatibility: You can roll with up to a 120 mm fork to get total trail capability
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Internal Cable Routing: Keeps your ride quiet, reduces maintenance and looks sleek
Full Specifications:
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Frame: Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR
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Max compatible fork travel: 120mm (XS: 100mm)
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Max. chainring size: 32T
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Headset: Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom
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Weight: M - 2.17 kg / 4.78 lb
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Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
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, colours, 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.
