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Cycle Monkey

Internal Gearing Specialists, Bicycle Distribution & Service Center

Soma Jawbone B Type Frame

Soma Frame Jawbone B-Type Black

Place an order online for a preorder!

The Jawbone B-Type frame is the perfect frame for building a drop bar mountain touring and bike packing rig. While it is still great for riding gravel and singletrack, it performs at its best when loaded up for your next adventure.

- Tange Prestige heat-treated double butted CrMo steel; butted CrMo rear end
-IRD Broski Sliding Dropouts allows for running derailleurs as well as geared hubs like Rohloff and Kindernay. You can also convert it to single speed if your derailleur conks out on a ride.
- IS mount disc brake tabs
- Front derailleur compatible (bottom pull)
- Rear rack and fender eyelets
- Two sets of bottle cage bosses; one set of cargo cage bosses on downtube
- 44mm headtube fit 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: 650b x 47mm to 27.5 x 2.6” / 700c x 38mm to 29 x 2.25” - Color: Slick Black
- Sizes: 650b only: 50cm, 52cm 700c: 54cm, 56cm, 58cm, 61cm, 64cm


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