Trek Procaliber 6 2025

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 

FRAME KIT

• Frame: Alpha Platinum Aluminum, tapered head tube, internal cable routing, BSA 73, invisible mounts for rack and kickstand, UDH, Boost148, 12mm thru axle
• Fork: RockShox Judy Silver, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, Maxle Stealth 15mm, 120mm travel
• Max. compatible fork travel: 130mm (540mm axle-to-crown)

WHEELS

• Front hub: Shimano TC500 alloy thru axle, centerlock, 110x15mm
• Rear hub: Shimano TC500 alloy thru axle, centerlock, 148x12mm
• Rear axle: Bontrager Switch thru axle, removable lever
• Rim: Bontrager Kovee, double wall, Tubeless Ready, 28 holes, 23mm width, Presta valve
• Tire: Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60tpi, 29x2.20"
• Tire sealant: Bontrager TLR sealant, 6oz
• Nipple washer: Bontrager TLR
• Max. tire size: Frame: 29x2.40", Fork: Refer to fork manufacturer specs

DRIVETRAIN

• Shifter: Shimano Deore M6100, 12-speed
• Rear derailleur: Shimano XT M8100, long cage
• Crankset:
  - Size: S, M - Shimano MT512, 30T chainring, 55mm chainline, 170mm length
  - Size: ML, L, XL - Shimano MT512, 30T chainring, 55mm chainline, 175mm length
• Bottom bracket: Shimano BB-MT501 BSA
• Cassette: Shimano Deore M6100, 10-51T, 12-speed
• Chain: Shimano Deore M6100, 12-speed
• Pedal: VP-536 nylon platform
• Max. chainring size: 1x: 34T (55mm chainline), min 30T (52mm chainline)

COMPONENTS

• Saddle: Verse Short, steel rails, 145mm width
• Seatpost:
  - Size: S, M - Bontrager Line telescoping seatpost, 100mm travel, MaxFlow, internal cable routing, 31.6mm diameter, 310mm length
  - Size: ML, L - Bontrager Line telescoping seatpost, 150mm travel, MaxFlow, internal cable routing, 31.6mm diameter, 410mm length
  - Size: XL - Bontrager Line telescoping seatpost, 170mm travel, MaxFlow, internal cable routing, 31.6mm diameter, 450mm length
• Handlebar:
  - Size: S, M - Bontrager alloy, 31.8mm, 5mm rise, 720mm width
  - Size: ML, L, XL - Bontrager alloy, 31.8mm, 15mm rise, 750mm width
• Grips: Bontrager XR Trail Comp, nylon lock-on
• Stem:
  Size: S - Bontrager Comp, 31.8mm, Blendr compatible, 7 degrees, 50mm length
  Size: M, ML - Bontrager Elite, 31.8mm, Blendr compatible, 7 degrees, 60mm length
  Size: L - Bontrager Elite, 31.8mm, Blendr compatible, 7 degrees, 70mm length
  Size: XL - Bontrager Elite, 31.8mm, Blendr compatible, 7 degrees, 80mm length
• Headset: Semi-integrated, ball bearing, 1-1/8" upper, 1.5" lower
• Brake: Shimano MT200 hydraulic disc
• Brake rotor:
  - Size: S, M, ML, L, XL - Shimano RT10, centerlock, 160mm
  - Size: L, XL - Shimano RT10, centerlock, 180mm
• Brake set: Shimano MT200 hydraulic disc
• Max. rotor size: Frame: 180mm, Fork: See fork manufacturer specs

WEIGHT

• Weight: M - 12.60 kg / 27.78 lbs
• Weight limit: This bike has a maximum total weight limit (combined weight of bike, rider, and load) of 136 kg.

The manufacturer reserves 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. The prices shown are the manufacturer's suggested retail prices.