K:IUM Rails K:IUM is a fi'zi:k proprietary rail formulation. It's the combination of a particular metal alloy, a specific tubular design and a special finishing process which increases fatigue performance on the rail surface. Fact: 8% weight reduction compared to solid titanium. K:IUM features a high strength-to-weight ratio grade and high corrosion resistance. Wing Flex Technology Wing Flex shell has engineered flexibility along the edges where the inner thighs contact the saddle. By allowing this area to flex, the rider can achieve a full range of leg movement in a wide range of riding positions. Wing Flex allows the saddle to adapt to the rider rather than the rider having to get used to the saddle. Arione R3 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….
– Fizik Arione R3 Saddle with K:IUM Rails Performance Saddles – £88.98999999999999 (RRP – £)
