ATTACCO MANUBRIO FSA OS-99 CSI manicotti The new technology allows you

The new technology allows you to record your activity even without being connected to the cycling computer

Front profile optimised for the passage of two sheaths

Tough and durable for off-road adventures: Thermally bonded construction combines multiple layers without overlap

aeroFit : an ultra-soft warp-knit fabric applied to the waist with an open structure for maximum ventilation

ATTACCO MANUBRIO FSA OS-99 CSI manicotti The new technology allows youThe K Force OS 99 CSI stem is 3D forged and CNC machined from AL2014. It's essentially a carbon fiber construction using our CSI (Carbon Structural Integration) technology. CSI is a process that permanently bonds carbon to aluminum to create a hybrid product with many of the benefits of both aluminum and carbon. The final touches reduce the weight of the OS 99 stems using a 4 bolt AL2014 alloy plate and titanium hardware. 3D forged and CNC machined