Fizik Cyrano Bicycle SeatPost Designed to work with standard 7mm round rails, as well as rails with oval cross section up to 10,3m Narrow upper clamp Ultra-wide lower clamp Ultra low-profile upper clamp 2-bolts, front/rear, clamping system, Wide range of angle adjustment (-5 to +20deg.) Differential wall thickness front/rear vs. right/left, bored-out lower tube and tube end angle cut Weight: 235 gr. (on 31.6 per 330)