1 1/8” Kegger Head tube w/ 10.5mm wall thickness: Large weld area for increased front end strength, ultra thick and strong to completely eliminate the possibility of ovalization with any fork. Easton RAD Tubes max wall thickness available with TT and DT gussets: High quality, brand name tubing, overlapped for strength. We have never had a front end failure on our Ultimate Freeride series bikes. Un-interrupted Seat tube: Allows full leg extension for those times when you need to pedal Internally Ribbed Seat stay and Chain stays: Max stiffness and strength in the rear end for the best rear wheel tracking available Dropout: Horizontal 135mm OLD for 10mm bolt on hubs: Adjustable  wheel Base for freeriding, urban assault and dirt jumping, single speed compatible Custom replaceable derailleur hanger: The toughest hanger in the business. Rear Tire clearance: 26 X 2.8” or 24 X 3.0” max: Big FAT tires for a ton of traction, stability and cushion.