Di2 interanl cable routing- Thru-axles in front and rear- Rack and fender mounts help to keep things dry and expand the load-carrying capacity- All-carbon fiber Ritchey Adventure Fork with multi-purpose mounts on the legs- Clearance for 700c x 48mm or 650b x 2.0in tires- TIG-welded with proprietary triple-butted Ritchey Logic steel tubing that now sports an updated one-piece truss design for flat mount brakes