Soma Jawbone Frame A-Type

The Jawbone A-Type frame is the perfect platform to build drop bar mountain touring and bike packing rig. While it is still game for riding gravel and singletrack, it is in its element when packed up for your next adventure.

- Tange Prestige heat-treated butted CrMo steel; butted CrMo rear end
- Flat mount disc brake tabs on rear
- Investment cast vertical dropout with replaceable stainless steel hanger. 12 x 142mm thru-axle
- 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
- 27.2mm post size/28.6mm frt. der. size/29.8mm seat collar, 73mm bottom bracket (English threads)
- Tire Width Range: 27.5 x 47mm to 2.5" / 700c x 38mm to 29 x 2.25"
- For matching fork please considerYC4022