The Jawbone B-Type frame is the perfect platform to build drop bar mountain touring and bike packing rig
Tange Prestige heat-treated butted CrMo steel; butted CrMo rear end
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 )
IS mount disc brake tabs
Front derailleur compatible (bottom pull)
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
Rear rack and fender eyelets
Two sets of bottle cage bosses; one set of cargo cage bosses on downtube
44mm headtube: Fits 1-1/8" steerer tubes and tapered steerer tubes with a headset swap