Trek Procaliber 8
The Procaliber 8 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 SLX and XT drivetrain and 120 mm RockShox Recon Gold fork seal the deal with all the gears and rock-smoothing comfort you need.
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 the best in performance and reliability for every ride
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 Recon Gold RL fork with Debon Air spring, Motion Control damper and lockout. A clean shifting blend of 12-speed Shimano XT and SLX components, Tubeless-Ready Bontrager Kovee wheels, a Bontrager Line dropper post with internal routing and hydraulic disc brakes.
The final word
When you're ready to take on race day, reach for the Procaliber 8. This alloy hardtail has a speedy attitude with modern cross-country geometry that's dialled for hammering up climbs and keeps its composure on loose descents.
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
- You get the perfect blend of components with Shimano SLX and XT shifting and hydraulic brakes
- 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
Specifications
| Frame | Alpha Platinum Aluminium, tapered head tube, internal routing, BSA 73, hidden rack and kickstand mounts, UDH, Boost148, 12 mm thru axle |
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| Fork | RockShox Recon Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, 15 mm Maxle Stealth, 120mm travel |
| Max compatible fork travel | 130 mm (540 mm axle-to-crown) |
| Hub front | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle |
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| Hub rear | Shimano TC500 alloy, CentreLock, 148x12 mm thru axle |
| 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 |
| Max tyre size | Frame: 29x2.40", Fork: See manufacturer |
| Shifter | Shimano SLX M7100, 12-speed |
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| Rear derailleur | Shimano XT M8100, long cage |
| *Crank |
Size: S , M E*thirteen Helix, 30T steel ring, 73 mm spindle length, 52 mm chainline, 170 mm length |
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Size: ML , L , XL E*thirteen Helix, 30T steel ring, 73 mm spindle length, 52 mm chainline, 175 mm length |
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| Bottom bracket | Shimano BB-MT501 BSA |
| Cassette | Shimano SLX M7100, 10-51T, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x: 34T (55 mm chain line), min 30T (52 mm chain line) |
| Saddle | Verse Short, chromoly rails, 145 mm width |
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| *Seatpost |
Size: S , M Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6 mm, 310 mm length |
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Size: ML , L Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 31.6 mm, 410 mm length |
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Size: XL Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 31.6 mm, 450 mm length |
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| *Handlebar |
Size: S , M Bontrager Comp, alloy, 31.8 mm, 5 mm rise, 720 mm width |
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Size: ML , L , XL Bontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 750mm width |
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| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem |
Size: S Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length |
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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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| Head set | Semi-integrated, sealed cartridge bearing, alloy cups, 1-1/8" top, 1.5" bottom |
| Brake | Shimano hydraulic disc, MT4100 lever, MT410 calliper |
| *Brake rotor |
Size: S , M , ML , L , XL Shimano RT54, CentreLock, 160mm |
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Size: S , M , ML , L , XL Shimano RT54, CentreLock,180 mm |
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| Rotor size | Max brake rotor sizes – Frame: 180 mm, Fork: see fork manufacturer |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
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