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Juliana Roubion Carbon CC Mountain Bike Frame - 2015

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Item # JLI0023

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The Juliana Roubion Carbon CC Mountain Bike Frame embraces its enduro roots to charge the burliest terrain with abandon. With six-inches of plush travel and neutral geometry wrapped in a lightweight package, the Roubion isn't any slouch on the climbs either, making it a versatile whip for almost any trail.

It’s no secret that we love the Roubion, and it’s fairly easy to see why. First, 27.5-inch wheels have quickly become the defacto wheel size for riders who push it, thanks to the responsive handling and fast rolling speed. Then there’s the 150mm of rear wheel travel, which is primed to smooth out harsh trails, while the Virtual Pivot point (VPP) suspension platform lends efficient pedaling on the climbs. And that’s without mentioning the neutral geometry that descends with aplomb, and generally rips whether up or down. The head angle sits at 67 degrees, which provides plenty of high-speed stability, without being cumbersome at lower speeds. At, the chainstays are long enough to keep you centered in the bike, yet short enough to allow the Roubion to carve up turns with ease.

Juliana’s industry-leading carbon fiber construction is on full display with the Roubion's Carbon CC frame, which utilizes a higher grade carbon than Juliana's C level frames for a lighter, stiffer, and downright fun ride. Both the front and rear triangles are constructed as a whole rather than bonding them together from sub-assemblies. In addition to saving weight, this ensures that the Roubion is as strong as possible. That's because the fibers are uninterrupted by seams, which is a common issue with other construction methods.

Not that we advise it, but if you were to cut the frame in half, you'd find that the inside of the tubes have the same perfectly smooth finish as the outside. That's a result of construction techniques that maximize the compaction of the layers from inside and out. The benefit is that it's lighter, because any excess epoxy is squeezed from the frame prior to curing, and this ideal degree of compaction optimizes strength. Stiffness is further enhanced with the mechanic-friendly, oversized 15mm collet-style hardware and a 12x142mm thru-axle out back.

Tech Specs

Frame Material:
Carbon CC
Virtual Pivot Point
Wheel Size:
27.5 in
Rear Shock:
Rock Shox Monarch RT3
Rear Travel:
150 mm
Head Tube Diameter:
ZS44/EC49 mixed tapered
Headset Included:
Bottom Bracket Type:
73 mm English
ISCG Tabs:
yes, ISCG 05
Cable Routing:
Front Derailleur Mount:
34.9mm clamp-on
Brake Type:
Seatpost Diameter:
30.9 mm
Seat Collar:
34.9 mm
Rear Axle:
12 x 142mm thru-axle
Recommended Use:
all-mountain, enduro
Manufacturer Warranty:

sizing chart

Roubion size by rider height


Geometry chart


Geometry Chart


Roubion / Roubion 2.0

Seat Tube


Effective Top Tube






Stand Over

Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Height




S 15.55in 22.56in 23.07in 15.94in 28.62in 3.54in 66o 74o 13.43in 17.05in 44.92in
M 16.54in 23.46in 23.43in 16.73in 28.78in 3.94in 66o 74o 13.43in 17.05in 45.87in
L 18.11in 24.33in 23.82in 17.52in 28.9in 4.33in 66o 74o 13.43in 17.05in 46.81in

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67 or 66 HTA???

Hey Al - This Roubion frame has a head tube angle of 67 degrees. It is the 2015 Roubion 1.0. Feel free to contact me directly if you are interested in ordering this frame or custom building this bike.

- Kyle L. - Expert Gearhead - - 801-736-4337