Ritchey WCS Toyon Stem - 120mm 31.8 Clamp +/- 6 1-1/8" BlatteRitchey WCS Toyon Stem 120mm 31. 8 Clamp + 6 1 1 8" Blatte. The WCS Toyon stem takes its lead from the original award winning Ritchey C220 stem and gives it a more modern shape and increased stiffness for improved handling and greater responsiveness. The Toyon retains the clamping surface area of the C220 which creates a more secure interface by wrapping a full 200 over the handlebar. Its bolt forces are aligned with the clamp so that the body