Soma Jawbone B-Type Frame 58cm 29" - 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

We use a premium delivery service to deliver all of our bikes to ensure they arrive in the best possible condition. Bicycles from a different warehouse so may arrive separately to any other items ordered. A signature is required to confirm proof of delivery. The shipping cost for bikes is €20.

All products are sourced from official importers and covered by manufacturers warranty. If you do need to send items back to us please make sure that you retain proof of postage in the event that it is needed.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.