F4 with CAFFEINE frame technology

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For hardtail riders, the Caffeine is a purist's choice. Butted tubes, Cannondale's well-known smooth, double-pass welds, and optimized, oversized frame design makes the Caffeine a joy to ride.

OVERSIZED SEAT STAYS

It's not easy to design both rider comfort and immediate power transfer from the same set of tubes. Cannondale heritage of aluminum design goes into oversize tubing choices, ensuring a first class riding experience.

BUTTED TUBING

The use of butted tubing in the seat, top, and down tubes (plus seat stays) puts strength where it's needed and removes material where it's not to optimize light weight performance