fi'zi:k Gamma Versus Saddles. Versus saddles feature a pressure relief zone called Channel Design . Versus: solid base design with an ergonomic channel spanning the length of the saddle Nylon carbon reinforced shell and low-density padding Twin Flex /Carbon shell is bonded to a stiff outer shell and provides a hammock-like feeling; sweet spot for pressure distribution in perineal region Integrated Clip System: tool-free interface in the saddle base that allows quick attachment and removal of fizik packs and blink lights (ICS is found on all saddles unless noted) Kium Rail: special alloy with a high strength-to-weight ratio and excellent vibration damping; 8% weight reduction compared to solid titanium Item Specifications Color Black/Orange Weight 259 Width 142 Length 265 Gender Men's Rail Kium Clamp Style Std Rails Defined Color Black keyword search HiLite