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Soma Jawbone B-Type Frame 64cm 29" - Black

Soma  |  SKU: B-SF4027  |  Barcode: B-SF4027
$769.95 USD
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Description
  • 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 inch 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 inch 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
    • TECH SPECS
    Model Jawbone B-Type
    Size 64cm
    Seat Tube (C-T) 625mm
    Top Tube (Effective, C-C) 628mm
    Chainstay 435-455mm
    Head Angle 71.5 Deg
    Seat Angle 72.5 Deg
    Bottom Bracket 72mm
    Seatpost 27.2mm
    Front Derail 28.6mm
    Wheel Size 29"
    Dropout 10x135mm QR
    Color Black