Jones Steel Plus LWB Diamond Frame with Unicrown Fork

$1,100.00
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148PlusLWBUF
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This is a frame, fork, Bushnell Featherweight EBB (bottom bracket), front and rear TA bolts, water bottle bolts, clips, and standard derailleur hanger.  If you would like a single speed or Shimano Direct Mount hanger, get them here!

If you're interested in a complete bike or rolling chassis, please send us an email or give us a call.

The Jones Plus LWB has proven itself as one of the most versatile bikes around, winning awards for its abilities as a bikepacking bike, as well as praise for just about all other types of riding, and now that versatility is expanded even further by its being available with a standard Unicrown fork!  The new Jones Plus LWB Unicrown fork allows riders to mount traditional low-rider racks, or two triple-boss cages, or a combination of standard water bottle cages and low rider racks, baskets, etc.  It also makes fender mounting a breeze.  Whether you want a bike for touring, commuting, bikepacking, road riding, or mountain biking, this frameset has you covered!  

Jones Diamond Plus LWB Frame

Frame Features include:

  • Jones Plus LWB geometry for an great ride in a wide range of conditions
  • Can be built up as an exceptional mountain, road, gravel, touring, bikepacking, commuting, or just about any other type of bike you'd like
  • Frame and fork designed to work together
  • Not suspension corrected for a larger, stronger front triangle, shorter, stronger fork and huge frame pack/ water bottle capacity
  • Clearance for 29 x 2.3-3.25" tires
  • Rack and fender mounting bosses
  • Five water bottle mounting locations (six on large size).
  • One triple-boss style mount underneath the downtube
  • Low-mount rear disc brake mount for ease of mounting fenders and racks

Frame Specs

  • 68mm BSA threaded bottom bracket shell (the most common bottom bracket standard)
  • Compatible with 1x or 2x "Boost" cranks
  • Four rack and fender eyelets above the rear dropouts (outermost bosses double as water bottle bosses for extra water capacity)
  • Full fender bosses on the seat and chainstay bridges
  • Standard 148x12mm thru-axle "Boost" rear hub spacing
  • Triple-boss cage mount underneath the downtube
  • Two sets of standard water bottle bosses on top of the down tube (large also has one on the seat tube)
  • Chainstay-mounted I.S. rear disc brake mount for stiffness and ease of mounting fenders and racks
  • 27.2mm seatpost size
  • 31.8mm seat tube diameter
  • Standard 1 1/8" headtube for external bearing headsets such as the Jones H-Set
  • Available in black
  • Medium Frame weight (with EBB, all bolts, clips, derailleur hanger, and two TA Bolts): 2,910 grams (6.4 lbs)
  • Large Frame weight (with EBB, all bolts, clips, derailleur hanger, and two TA Bolts): 3,105 grams (6.83 lbs)

Frame Construction

  • Custom butted and heat treated 4130 Chromoly tubing
  • Tig welded
  • Brazed-in water bottle bosses
  • Welded rack mounts
  • Tapered and butted top tube for extra stiffness and strength
  • Bushnell Featherweight EBB for simple, reliable, creak-free bottom bracket adjustment
  • Coated with ED Black for rust resistance and smooth coating underneath the paint
  • Decals underneath the semi-matte clearcoat
  • Replaceable derailleur hangers available for single speed, standard, and Shimano DMD

Jones Plus LWB Unicrown Fork

Fork Features include:

  • Lots of mounting options: 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 rack
  • Stainless steel rack/bottle boss bolts with integrated washers included 
  • Full fender mounts
  • Less expensive than a Truss Fork
  • Easier to install and remove than a Truss Fork
  • Can be turned around for smaller size when packing the bike
  • Frame and fork designed to work together
  • Clearance for 29 x 2.3-3.25" or 27.5 x 3.8" tires with great clearance
  • Clearance for 26 x 4.8" tire on 80mm rim with minimal clearance
  • Standard 150x15mm thru-axle (standard fat bike) front hub spacing, which is compatible with dynamo hubs for fat bikes
  • Lowrider rack mounts (designed for Tubus Duo Rack)
  • Two bosses on each dropout for a fender or rack

Fork Specs:

  • Crown is drilled for 6mm bolt (for fenders, racks, baskets, headlights, etc.)
  • Standard 1 1/8" steerer tube
  • Uses a standard 1 1/8" headset with a press-on crown race
  • 350mm steerer tube length
  • Fork length: 451mm
  • 3" / 76mm of offset for the Jones Plus LWB geometry
  • 150 x 15mm fatbike standard thru-axle dropout spacing
  • Available in black
  • 1535 grams / 3 lbs 6 oz (with bolts)
  • TA Bolt required, but not included.  If you need one, get it here!
  • Not compatible with suspension-corrected frames.

Fork Construction:

  • All heat treated Chromoly construction
  • Tig welded
  • Custom butted and tapered Chromoly legs 
  • One-piece, internally butted, externally CNC machined Chromoly steerer tube
  • Custom CNC machined Dropouts
  • Welded-on rack and fender mounts at the dropouts
  • Brazed-in bosses
  • Coated with ED Black for rust resistance and smooth coating underneath the paint
  • Decals underneath the semi-matte clearcoat

More information about the Jones Plus LWB:

In the first blog post about the Jones Plus, Jeff says, "I did not design this bike based on market research, a reaction to what other people were making, or because people were suggesting I make ‘this’ bike or ‘that’ bike – their idea of what I should do next. I made this bicycle because I wanted it and I think many others will love it too. I realized that I do not need or want a bike that has the absolute shortest wheel base possible for every ride, and I knew that you don’t need to have a steep head or seat angle to have a responsive bike that is fast, efficient and comfortable.

I designed my 29er bike years ago with a slacker seat tube angle, slacker head tube angle, shorter reach, lower BB and more fork offset than what was considered correct and normal at the time. I did this for a better ride based on what I had learned, not because it was popular. Nowadays many 29ers have more fork offset and slacker seat tube angles etc. Some have even branded and marketed this change in geometry… I never named my geometry, but if I did, let’s call it “JJ1 Geometry”, then this Jones Plus has “JJ2 geometry”. I spent hours working on it – centering the rider, considering the BB height, the angle and offsets, the rake and trail – the ride is everything.

People might try and simplify it – “it’s just a long wheelbase Jones with 29+ tires” but it isn’t. It’s so much more. It is NOT slow handling. I’ve done so much work to make it still ride the way I want a bike to ride. Hours of geometry drawings and thinking. Notes and testing. This is really even more of a ‘rigid specific geometry’ for a ride that is much more comfortable and stable yet still with very quick handling. It is balanced in a way you wouldn’t expect. It’s big but feels right. You ride very much in this bike. There’s no roughness, no “I’m gonna crash” sensation or fears. It’s just smooth! And it climbs. If you stand there’s no wheelie. It’s planted. It delivers excellent traction and a huge sweetspot (and I don’t mean the tire contact area  – I’m talking about the big space for the rider to move around (in the bike) and still have their position, the grip and the power transfer working for them).

The Jones Plus is a bike for riding fast, slow, the rough with the smooth; safely, aggressively, laid-back or raging; with a big load or stripped to the bare essentials; on road, dirt, mud, snow; in the mountains, on the flat lands, around town or across the county; around the world or your local loop; for getting rad or just getting away. It sets a new standard for bikepacking yes, but it’s so much more than that – it’s a bike for technical trails and big trips. It really does it all. I’m really excited by this bike. It’s good."

Jones Plus - This is it


Sizing information:

• Rider height between 5' and 5'8" would fit the Small (23") Jones Spaceframe Plus LWB 148 or the Small Jones Titanium Spaceframe LWB 148 well. 

• Rider height between 5'2" and 6'2" would fit the Medium (24") Jones Titanium Spaceframe LWB 148 well.

• Rider height between 5'7" and 6'2" would fit the Medium (24") Jones Diamond Plus LWB 148 well.  Standover is approximately 31.5".

• Rider height between 6' and 6'6" would fit the Large (25") Jones Titanium Spaceframe LWB 148 or Diamond Plus LWB 148 well. Standover is approximately 33".


For drivetrain and wheelset suggestions and requirements, please look at the Jones Plus 148 supplemental manual on our manuals and guides page.


Geometry details:

Angles
The frame has a 67.5 degree head tube angle with 76mm of fork rake/offset for a short trail measurement so the handling is quick even with such a slack head angle. This is twice as much fork rake as many 29ers had. The 71 degree seat tube angle can be used with a straight seatpost and will give a similar seating position as the 72 degree seat tube angle with a set back post on a Jones 29. Riders who use a standard Brooks saddle, very tall riders, or those who want to sit further back may want to use a set-back seat post. The chainstays are 19″.

There are two sizes: Medium and Large. The Medium size (with a straight post) has a very similar fit as the Medium Jones Plus SWB / Jones 29 frame with a set back post (the seat-tube is two inches shorter than the 25″ size). It is just a little longer in reach to the bars and the bars are little higher. The 25″ size with a very short reach stem can be set up so the cockpit position is the same as the 24″ size but you get a massive frame for carrying more stuff and a longer wheel base for a smoother ride, for adventures. And it will fit tall rider with a set back post and longer stem (custom extra long steerer tubes are available to raise bars even more). Both sizes with stem, seatpost (set-back or straight) and EBB adjustments can be fine-tuned and adapted for different styles of riding and rider. A short wheel base is not the only way. Long has many benefits.

EBB versatility
The eccentric bottom bracket (EBB) ensures the Bottom Bracket BB height is adjustable. When using the smaller 29″ wheels (tires) you put the BB at the top of the EBB to keep the BB height the same as when you have taller 29+ wheels and the BB at the bottom of the EBB. You can also run the BB at the bottom for a extra low BB with 29″ wheels, or run the BB at the top with 29+ wheel for a higher BB. BB drop: BB in top position – 76mm, BB in bottom position – 88mm. More information in this blog post.

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