The original inspiration for the Wolverine was “monster cross”, but it is seriously so much more. Its geometry is stable enough for off road touring, but sporty enough for all-around adventure and gravel riding. With its sliding dropouts, you can run single-speed, derailleur gearing or hub gearing. With a split seatstay, it is compatible with the Gates Carbon Belt Drive. The primary differences between the 3.0 and v. 4 Type-B is a new 46cm size, an extra set of water bottle bosses, and additional stack height on most sizes. Tange Prestige heat-treated CrMo tube set Clearance for 700x45c tires w/ fenders Rear hub spacing:135mm (10mm QR, can be upgraded to 142mm 12mm TA with different inserts ) Gates Carbon belt-drive compatible IRD Broski sliding dropouts allow for geared or single-speed builds Optional Matching Forks: A) lugged flat crown standard QR axle, Tange Infinity CrMo steel fork; double eyelets pannier rack and mini rack mounts. B) Unicrown straight blade 15mm thru-axle CrMo steel fork Braze-ons for rear rack and fenders (disc brake-compatible racks only) Three sets of water bottle bosses 1-1/8” size headtube Sizes: 46, 50, 52, 54, 56, 58. 60, 62 and 66cm (We recommend 650b tires on the 46cm) 2173g (frame) Paint: Moss Green