Fizik Arione Wing Flex - K:ium Rails. Features: Wing flex for free thigh movement and increased pedalling power (more clearance for leg stretching). Increased contact surface area: 12% more than standard saddles for better pressure distribution. Wider nose for increased comfort toward the front of the saddle. Extended saddle length (30 cm) provides more riding positions. Over 85 mm rail adjustability: longest in its category. Carbon reinforced shell: stiff yet flexible, no saddle sag. K:ium Rails. lightweight (225 gr).

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