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Custom Diamondback Fat bike - 27.5" and 29" wheels - $1,000 (Beacon Hill)

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bicycle type: other
frame size: Small / medium
wheel size: 29 in
bicycle frame material: aluminum
brake type: disc (hydraulic)
handlebar type: riser
electric assist: none
condition: good
make / manufacturer: Diamondback
Custom Diamondback Fat bike – based on the El Oso frame style, but with a custom shorter wheel-base rear end (see pics). This was a pre-production bike that was fabricated for testing and feedback. It was left un-painted and comes with one set of bottle cages as shown, but I can add another one on the lower part of the down-tube if desired. The big thing is that this bike comes with two sets of wheels (27.5” and 29”), one just needs to swap the cassette over as needed. I weighed it as built with the 29” tires and it tips the scales at ~ 32lbs.

I found that this bike best approximately matches the this write up of the Diamondback El Oso Tres bike build: https://www.thebikeshoppe.com/product/diamondback-el-oso-tres-371961-1.htm

I tried my best to get some measurements of the geometry, but this bike is most likely a small or medium in size. I am 5’8” and if fits me well, but could also easily fit someone down to ~5’4” or so if I had to guess. The short rear end makes this bike very nimble compared to other fat bikes I have ridden. Overall, the wheel base is ~1165mm (45.8”) and the chains stays are ~ 420mm (16.53”) which is ~ 30mm (1.2”) shorter than the standard El Oso frame geometry. I can take more measurements if needed if you have questions.

The bike is located in Seattle and I would love to show and sell it locally, but can ship the bike with both wheel sets to anywhere in the US.

Asking $1000 OBO with both sets of wheels and would love to see this go to a good home to get the use it is built for!

Specs:
Frame - 6061-T6 heat treated aluminum. Custom machined bottom bracket to rear chains stay attachment. 1.5” tapered head tube.
Fork – Manitou Mastadon fat bike front suspension fork – I believe it’s a 100mm travel setup
Headset: FSA No. 57 sealed cartridge
Wheels – This bike comes with two sets of wheels!! (spacing?)
- 27.5” w/ Maxxis Minion FBR tires (27.5” x 3.80”) on SUNRinglé Mule FUT80 aluminum rims
- 29” wheels w/ Maxxis Minion DHR II tires (29” x 3.00”) on SUNRinglé Duroc 50 aluminum rims
Axles:
- Front: 150 x 15mm thru-axle
- Rear: 197 x 12mm thru-axle
Cranks – Race Face – Alloy cranks – 175mm
Front sprocket – Samox 32T oval sprocket
Bottom Bracket – Race Face x-type bottom bracket
Gearing – 11-46 (see pics)
Drivetrain – XT rear derailleur
Dropper post – LEV Integra – 150mm cable actuated dropper post
Brakes – Shimano XT hydraulic – 180mm front and rear rotors
Handlebars – diamond back 35mm riser bars – aluminum
Stem – diamond back 35mm ~ 70mm
Pedals – cheepo plastic pedals… they work

post id: 7758236540

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