Framed Minnesota 2.0 Fat Bike Black/Green Sz 16" FRAME: Exclusive Oversized 6061 Aluminum Alloy frame. TIG Welded Oversized 6061 Aluminum Alloy, Tapered Headtube, Integrated Headset, Replaceable Derailleur Hanger, Cage Brazeons, Sealed 100mm Bottom Bracket.Bottom Bracket. FORK: 6061 Aluminum Alloy; oversized straight blade, disc mount.Fits wheels from 26" x 4.8" to 29" x 2" (150mm w/15mm thru axle)ons, Sealed 100mm Bottom Bracket.Bottom Bracket. CRANK SET: Truvativ 28/38t, 175mm alloy cranks with Square taper fully-replaceable, durable heat-treated steel chainrings RIMS: Aluminum Alloy Single Wall Rim, 80mm wide, 32h, Weight Reducing Cut Outs, Double pinned for weight savings/max strength TIRES: Minnesota Fat Tire 26" x 4" 72 TPI Wire Beadfor weight savings/max strength