Jawbone B-Type Frame, 54cm, 29" - Black

- The Jawbone B-Type frame is the perfect platform to build drop bar mountain touring and bike packing rig\n- Tange Prestige heat-treated butted CrMo steel; butted CrMo rear end\n- IRD Broski Sliding Dropouts allows for running derailleurs as well as geared hubs like Rohloff (Stock dropout insert is for 135mm QR. 142 x 12mm Thru-Axle inserts available separately, SF4958, SF4959. SF4960-142x12mm axle )\n- IS mount disc brake tabs\n- Front derailleur compatible (bottom pull)\n- Headset for optional 1-1/8" matching fork: SHIS: ZS44/28.6 | ZS44/30. If running a tapered steerer fork, get an EC44 lower cup\n- Rear rack and fender eyelets\n- Two sets of bottle cage bosses; one set of cargo cage bosses on downtube\n- 44mm headtube: Fits 1-1/8" steerer tubes and tapered steerer tubes with a headset swap\n- 27.2mm post size/28.6mm frt. der. size/29.8mm seat collar, 73mm bottom bracket (English threads)\n- Tire Width Range: 27.5 x 47mm to 2.6” / 700c x 38mm to 29 x 2.25”\n- For matching fork please consider SF4030