2025 Trek Procaliber 6 -
Procaliber 6 is a cross-country mountain bike built for hot laps and singletrack. It confidently rolls the fine line between race-ready and pocket-friendly with an alloy frame that's built with modern geometry for handling fast corners and rough sections of trail while keeping you ready to sprint up climbs. A 12-speed Shimano drivetrain and 120mm RockShox fork seal the deal with all the gears and rock-smoothing comfort you need.
Frame | Alpha Platinum Aluminum, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12mm thru axle |
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Fork | RockShox Judy Silver, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel |
Max compatible fork travel | 130mm (540mm axle-to-crown) |
Hub front | Shimano TC500 alloy, centerlock, 110x15mm thru axle |
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Hub rear | Shimano TC500 alloy, centerlock, 148x12mm thru axle |
Skewer rear | Bontrager Switch thru axle, removable lever |
Rim | Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve |
Tire | Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.20'' |
Tire part | Bontrager TLR sealant, 180 ml/6 oz |
Rim strip | Bontrager TLR |
Max tire size | Frame: 29x2.40", Fork: See manufacturer |
Shifter | Shimano Deore M6100, 12 speed |
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Rear derailleur | Shimano XT M8100, long cage |
*Crank | Size: S, M Shimano MT512, 30T ring, 55mm chainline, 170mm length |
Size: ML, L, XL Shimano MT512, 30T ring, 55mm chainline, 175mm length |
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Bottom bracket | Shimano BB-MT501 BSA |
Cassette | Shimano Deore M6100, 10-51, 12 speed |
Chain | Shimano Deore M6100, 12 speed |
Pedal | VP-536 nylon platform |
Max chainring size | 1x: 34T (55mm chainline), min 30T (52mm chainline) |
Saddle | Verse Short, steel rails, 145mm width |
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*Seatpost | Size: S, M Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6mm, 310mm length |
Size: ML, L Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 31.6mm, 410mm length |
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Size: XL Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 31.6mm, 4500mm length |
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*Handlebar | Size: S, M Bontrager alloy, 31.8mm, 5mm rise, 720mm width |
Size: ML, L, XL Bontrager alloy, 31.8mm, 15mm rise, 750mm width |
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Grips | Bontrager XR Trail Comp, nylon lock-on |
*Stem | Size: S Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length |
Size: M, ML Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length |
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Size: L Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
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Size: XL Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
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Headset | Semi-integrated, loose ball bearing, 1-1/8" top, 1.5" bottom |
Brake | Shimano MT200 hydraulic disc |
*Brake rotor | Size: S, M, ML, L, XL Shimano RT10, CenterLock, 160 mm |
Size: L, XL Shimano RT10, CenterLock, 180 mm |
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Brake Set | Shimano MT200 hydraulic disc |
Rotor size | Max brake rotor sizes - Frame: 180mm, Fork: see fork manufacturer |
Weight | M - 13.56 kg / 29.9 lbs (with TLR sealant, no tubes) |
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Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
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