Cannondale F-Si Hi-MOD Frameset

The Cannondale F-Si Hi-MOD Frameset 2017 is a legendary foundation for a World Cup-level cross-country race bike. Crafted from Cannondale's most advanced Hi-MOD BallisTec Carbon, this frame offers the ultimate combination of lightweight stiffness and durability. It is designed for pure speed, with geometry optimized for aggressive climbing and razor-sharp handling on technical trails. This 2017 model represents the pinnacle of Cannondale's hardtail engineering, built to win and set the standard for XC performance.

At the core of the F-Si is the revolutionary Asymmetric Integration (Ai) technology. By shifting the rear triangle and drivetrain 6mm to the outside (driveside), Cannondale creates super short chainstays for unparalleled traction and agility in technical sections. This Ai-offset also results in a stiffer, stronger rear wheel (thanks to more even spoke tension) and, unlike many competitors, provided space for a front derailleur. This frameset is designed around the iconic Lefty 2.0 Carbon 100mm fork (often included with the frameset), known for its incredible steering precision and low weight.

Comfort in this hardtail is provided by the SAVE Micro-Suspension system in the seat stays, where the tubes are strategically flattened to dampen vibrations and reduce fatigue. The PF30 bottom bracket ensures an ultra-stiff base for maximum power transfer. Depending on the size, this frame is designed for 29-inch (M-XL) or 27.5-inch (S) wheels, ensuring a perfect fit and optimal performance. This is the ideal basis for an extremely fast and capable XC mountain bike.

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