Heat-treated, triple-butted Ritchey Logic tube set features short-butted sections optimized to save weight and improve ride quality Now compatibility with Shimano’s newest Di2 semiwireless groupsets Painted to match Ritchey full carbon fork Forged and machined straight head tube Standard road spacing on frame and fork Fits tires up to 30c Ritchey WCS Carbon Road Fork included 12x142 thru axle (included with frame) Logic Zero WCS drop in 11/8” headset included