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
| model |
Jawbone B-Type |
| size |
54cm |
| seat tube (c-t) |
490mm |
| top tube (effective, c-c) |
553mm |
| chainstay |
435-455mm |
| head angle |
70.5 deg |
| seat angle |
73.5 deg |
| bottom bracket |
73mm |
| seatpost |
27.2mm |
| front derail |
28.6mm |
| wheel size |
29" |
| dropout |
10x135mm QR |
| color |
black |
Product Images Disclaimer
Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us and we’ll be happy to confirm.
