2025 Trek Procaliber 6 - Viper Red/Crimson
The 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 120 mm RockShox fork seal the deal with all the gears and rock-smoothing comfort you need.
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OVERVIEW
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SPECS
It's right for you if...
You want to dive into XC racing on a hardtail that's built to soar up climbs and stay composed through the rough stuff. You want to save some dough with a sturdy alloy frame, and don't mind upgrading your components over time.
The tech you get
A lightweight Alpha Platinum Aluminium hardtail frame with modern XC geometry and 148 mm boost spacing for stiff support under power. 120 mm of trail-smoothing front suspension from a RockShox Judy Silver fork with Solo Air spring and Turnkey lockout. Clean shifting 12-speed Shimano drivetrain that blends Deore and XT together, Tubeless-Ready Bontrager Kovee wheels, a Bontrager Line dropper post with internal routing and hydraulic disc brakes.
The final word
Ready to race? So is Procaliber 6. This XC race ride balances performance and price for riders looking to up their game between the tape. Its modern XC geometry keeps you cool through the rough and ready to hammer up climbs, and reliable yet affordable components get you on the trail fast without blowing through your upgrade budget.
Why you'll love it
You get modern geometry and 120 mm of front suspension that keeps you in the attack on climbs and crushing confidently on descents
It balances the accessible price of an alloy hardtail with the performance of its carbon cohorts
The 12-speed one-by drivetrain gives you plenty of gears for hammering up climbs with the simplicity of a single shifter
Its Tubeless Ready 29in wheels keep rolling resistance down while helping fight flats
Internal cable routing keeps your ride quiet, reduces maintenance and looks sleek
*Please note – spec applies to all sizes unless listed separately
Frameset
Frame Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12 mm thru axle
Fork RockShox Judy Silver, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel
Max compatible fork travel 130 mm (540 mm axle-to-crown)
Wheels
Hub front Shimano TC500 alloy, CentreLock, 110x15 mm thru axle
Hub rear Shimano TC500 alloy, CentreLock, 148x12 mm thru axle
Skewer rear Bontrager Switch thru axle, removable lever
Rim Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve
Tyre Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.20"
Tyre part Bontrager TLR sealant, 180 ml/6 oz
Rim strip Bontrager TLR
Max tyre size Frame: 29x2.40", Fork: See manufacturer
Drivetrain
Shifter Shimano Deore M6100, 12-speed
Rear derailleur Shimano XT M8100, long cage
*Crank Size: S, M
Shimano MT512, 30T ring, 55 mm chain line, 170 mm length
Size: ML, L, XL
Shimano MT512, 30T ring, 55 mm chain line, 175 mm length
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 (55 mm chain line), min 30T (52 mm chain line)
Components
Saddle Verse Short, steel rails, 145 mm width
*Seatpost Size: S, M
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length
Size: ML, L
Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 31.6 mm, 410 mm length
Size: XL
Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length
*Handlebar Size: S, M
Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Size: ML, L, XL
Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips Bontrager XR Trail Comp, nylon lock-on
*Stem Size: S
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Size: M, ML
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length
Size: L
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length
Size: XL
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length
Head set 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
Brake Set Shimano MT200 hydraulic disc
Rotor size Max brake rotor sizes – Frame: 180 mm, Fork: see fork manufacturer
Weight
Weight M - 12.60 kg / 27.78 lbs
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.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Ukuthumela ngomkhumbi
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Ukulethwa
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Ukubuyiselwa imali
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SINGOBANI
Ibhayisikili yisitolo samabhayisikili i-Trek esizinze e-Hillcrest, e-KZN. Sinikezela ngemikhiqizo ehlukahlukene evela kumabhayisikili e-Trek, izingubo ze-Bontrager, kanye nesikhungo sesevisi esigcwele. Ufuna into ongayitholi esitolo se-inthanethi, sithumele umlayezo futhi sizokusiza.
