Soma

Soma Jawbone B-Type Frame 56cm 29" - Black

$769.95
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  • 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
  • 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 2.6” / 700c x 38mm to 29 x 2.25”
  • For matching fork please consider SF4030
Model Jawbone B-Type
Size 56cm
Seat Tube (C T)-525mm
C C)-569mm
Chainstay 435-455mm
Head Angle 70.5 Deg
Seat Angle 73 Deg
Bottom Bracket 73mm
Seatpost 27.2mm
Front Derail 28.6mm
Wheel Size 29"
Dropout 10x135mm QR
Color Black

Pickup currently unavailable at Gio's Smithville

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