The Arione is 1 of fi’zi:k’s 3 Spine Concept™ Mens Road Saddle shapes. Of these 3, the Arione shape is flat, narrow and long.
Arione R5 is for The Snake:Flexible Spine
If you are very spinally flexible (far less than 90 degrees between your straight legs and your back when bending over as far as you can, keeping your legs straight a shoulders’ width apart), you are a Snake. You achieve the performance position using your spinal flexibility alone, not rotating your pelvis at all.
You will like the flat, narrow and long shape of the Arione.
Shell: Nylon Carbon Thermoplastic Composite with Wing Flex™ for freedom of thigh movement
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