For fast XC riders and cross country mountain bike racers who want to cover a lot of ground fast, there's no better hardtail frameset than Procaliber SL. It's built with Super Light OCLV Mountain Carbon and delivers the unique trail-smoothing advantage of IsoSpeed, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.

You want to fly up climbs, rail the corners, charge through technical sections of trail, and win every sprint to the line. You have a dream XC build in mind, and you want to start with the lightest carbon hardtail frame we offer.

A superlight SL OCLV Carbon frame with Control Freak internal cable routing and trail-smoothing IsoSpeed. The Procaliber SL Frameset includes a headset, and is designed for post mount disc brakes, a PF92 bottom bracket, and Boost148 wheels.

Smoother. Lighter. Faster. This bike was built to win the XC game. Its ultra-lightweight SL OCLV Carbon frame with IsoSpeed delivers serious performance fit for a serious rider.
- The SL OCLV Carbon frameset is the ideal start to an obscenely lightweight cross country build
- IsoSpeed is a real advantage, and you can't find it in any other hardtail family
- Control Freak Cable Management allows you to run any combination of cables exactly the way you want, while still giving you sleek looks and protecting your cables against unnecessary wear