New Arrivals/Restock

Procaliber C Frameset Gen 3 is a carbon cross-country hardtail frame ready for your dream build. It marries aggressive XC geometry with IsoBow trail-smoothing tech for a ride thats light, efficient, and quick to respond to your every input. Perfect for building up as a fast 29er with up to a 120mm fork.

• You get the hardtail efficiency you crave without the chatter thanks to IsoBow vibration-absorbing technology
• The OCLV Mountain Carbon construction is light, tough, and stiff, with just enough compliance to keep comfortable in the rough
• Its ready for your dream build – deck it out with all the odds and ends you want for your lightest XC race bike or adventure-ready hardtail
• Its designed for up to a 120mm fork, so you can smooth out rough and rowdy modern XC trails
• You get huge clearance for up to 2.4" tires, so you can roll with plenty of grip on loose, technical courses

Smooth means fast

Innovative IsoBow frame technology extends Procalibers seatstays beyond the seat tube, allowing for increased vertical complicane that smooths trail chatter while reducing frame weight.

Cool and composed

With a slacker head tube angle than most XC bikes and longer 120mm travel, Procaliber Carbons calm demeanor encourges you to step on the gas.

Float and flex

Rather than mounting to the seatstay, the brake secures to an extension of the rear axle, allowing the seat stay to flex and damp vibrations from the trail without impacting braking consistency and modulation.

OCLV Mountain Carbon

Treks mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Treks advanced engineering, and a higher standard of testing.

You almost forgot your pedals

This bike doesn’t come with pedals because youll have a better ride if you choose your own. See the pedal guide to find the best pedals for your riding style. Want pedals built for the race? We recommend clipless MTB pedals for control & efficiency.

Frame	OCLV Mountain Carbon, IsoBow, tapered head tube, internal routing, balanced post mount brake, Boost148
Skewer Rear	Bontrager Switch thru axle, removable lever
Seat Collar	Bolt-on, 36.4mm
Headset	FSA IS-2, 1-1/8 top, 1.5 bottom

Geometry Chart

B B Drop	6.4
B B Height	30.9
Chainstay Length	43.5
Eff Seat Tube Angle	74.3°
Eff Top Tube	61.3
Frame Reach	44.5
Frame Size Letter	ML
Frame Stack	61.4
Head Angle	67.0°
Head Tube Length	9
Offset	4.3
Seat Tube	44
Seat Tube Angle	72.0°
Standover	75.8
Wheelbase	115.5
Wheel Size	29"