Procaliber frame set is a race-worthy carbon cross country mountain bike frame that's light, fast and built to win. It has the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that gives you more compliance on rough trails for a smoother, faster ride.

In group trail rides and XC races, you lead the pack. You're looking for the performance edge that comes with a lightweight carbon frame set with exclusive IsoSpeed technology that smooths out trail chatter so you can stay stronger longer.

A lightweight OCLV Mountain Carbon frame with IsoSpeed, a tapered head tube, and internal control routing that's super easy to use. Procaliber frame set includes a Knock Block headset, and is designed for a 100 mm fork, up to 2.4" wide tyres and 1x drive trains with up to a 36-tooth chain ring. Built for a PF92 bottom bracket, post-mount disc brakes and Boost148 wheels.

A lightweight carbon mountain bike frame set built to perform in XC races and blazing-fast group rides. It's nimble, quick on climbs and responsive in and out of corners. Best of all, it delivers a massive advantage in speed and comfort with the trail-smoothing IsoSpeed decoupler.
- OCLV Mountain Carbon is race-light and trail-strong
- The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesn't get beaten up by trail chatter
- New internal control routing is super easy to use thanks to built-in channels that guide your hose or housing easily through the frame
- You get a Straight Shot downtube for extra-stiff, responsive handling without added weight and a Knock Block headset that protects against spinning bars and fork crowns

IsoSpeed smooth
IsoSpeed takes the edge off body-beating small bumps and trail chatter so you can stay stronger longer, without giving up any pedalling efficiency.

OCLV Mountain Carbon
Trek's mountain-specific carbon fibre is tougher carbon, with unique materials and lay-up procedures, Trek's advanced engineering, and a higher standard of testing.

Straight Shot downtube
Straight Shot downtube gives you an extra-stiff frame without adding any weight, so you can stick your line through the rough stuff and still fly up the next climb.