Soma Jawbone B-Type Frame, 61cm, 29" - Black
| BTI part #: |
SF4024 |
| vendor part #: |
900156 |
| UPC: |
849430050533 |
| model: |
Jawbone B-Type |
| size: |
61cm |
| seat tube (c-t): |
580mm |
| top tube (effective, c-c): |
600mm |
| chainstay: |
435-455mm |
| head angle: |
71.5 deg |
| seat angle: |
73 deg |
| bottom bracket: |
73mm |
| seatpost: |
27.2mm |
| front derail: |
28.6mm |
| wheel size: |
29" |
| dropout: |
10x135mm QR |
| color: |
black |
- 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
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