The Fizik Thar 29er saddle has been specifically designed for 29 inch mountain bikes; because a larger bike uses different geometry, including linger chainstays and shallower seat angles, weight distribustion is affected because the rider is placed futher...
The Fizik Arione saddle is specifically designed for racing with a unique, extra-long profile providing more riding positions, and Wingflex sides which adapt to the riders shape and riding style by subtly flexing inwards to accomodate every movement,...
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 K:ium is for The Snake: Flexible Spine.If you are very spinally flexible far less than 90 degrees between...