Jones SWB Diamond Frame / Unicrown Fork, Threaded BB Frameset
Previously only available as a complete bike, we now have a limited quantity of the V2 Plus SWB framesets on sale.
Please Note
These frames are unused but have very minor blemishes. They may have paint chips, drips, scuffs, or marks from assembly and component installation. Any imperfections are cosmetic only; all frames have been fully inspected and are backed by our warranty.
Frame Specs
- TIG welded from seamless 4130 Butted chromoly tubing.
- Larger diameter top and down tubes.
- 68 mm English/BSA threaded bottom bracket shell.
- Clearance for 27.5 x 3.25" or 29 x 2.6" tires
- Aluminum 148 mm x 12 mm rear thru axle bolt. 171 mm x 12 mm, M12 x 1.75 thread pitch.
- Standard 148 mm x 12 mm thru axle “Boost” rear hub spacing.
- CNC machined dropouts.
- Chainstay mounted 51 mm IS rear disc brake tab.
- 27.2 mm seatpost size.
- 31.8 mm seatpost clamp size.
- Standard 1 1/8" headtube for external bearing headsets such as the Jones H-Set.
- Multiple rear rack and fender braze-on mounts for the best rack/fender/tire size fit, or for mounting water bottles.
- Bosses located at top of seat stays for ease of mounting racks.
- Replaceable derailleur hanger to prevent the frame, derailleur, and spokes from being bent or damaged.
Unicrown Fork Specs
- TIG welded, butted, 4130 chromoly tubing.
- 150 mm x 15 mm thru axle dropout spacing.
- Aluminum 150 mm x 15 mm front thru axle bolt. 175 mm x 15 mm, M15 x 1.50
- Three bosses on the outside of the fork for either a triple boss cage, a normal two bolt bottle cage or a bottle cage and traditional low-rider rack
- Lowrider rack mounts on the inside of the fork (designed for Tubus Duo Rack)
- Fender mounts
- Clearance for 27.5 x 3.25" or 29 x 2.6" tires
- 51 mm IS disk brake tab
- Straight 1 1/8" steerer tube.
What you get
Frame: Jones SWB frame, rear thru axle/TA bolt, black stainless steel water bottle bolts with integrated washers, cable guide clips, standard Jones derailleur hanger with stainless steel bolts.
Fork: Jones SWB Steel Unicrown Fork with front thru axle/TA bolt, black stainless steel water bottle bolts with integrated washers, cable guide clips.
Sizing
To find out which size you may need, please check the basic size chart and geometry below. It’s recommended that you have 1” minimum clearance when standing over the top tube.
|
Small |
Medium |
Large |
|
|
Rider Height |
5' 4” - 5' 8" |
5' 7" - 6' 2" |
6' - 6' 6" |
|
Stand-Over Height (at center of top tube) |
29" |
30.5" |
32" |
Geometry
Jones Geometry uses a short reach and tall stack for an upright position that places less weight on your hands.
69 degree head tube angle and a 72 degree effective seat tube angle.
Chainstays are 17.68"/449 mm from bottom bracket to axle center.
Fork rake/offset is 2.16"/55 mm
Wheelbase:
Small: 41.9"/1066 mm
Medium: 42.98"/1091.72 mm
Large: 44.05"/1118.95 mm
