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Roubion

  • Overview
  • Bike Builder
  • Geometry and Sizing
  • Product Support
 

Ready To Rally The World

Whether blind racing or just blindly enjoying the trails as they come, the Roubion’s MX wheel combo feels like the best mix since Aperol met spritz. A 29-inch front wheel serves up high-speed stability and high rolling confidence. Meanwhile the 27.5-inch rear wheel makes for an intuitive and highly maneuverable rear end that loves to get sideways around the most ragged of switchbacks. We’re pretty sure there’s no better bike to tackle alpine terrain.

Key Features:

Available in: Carbon C and Carbon CC
Wheel Size: MX
Front Travel: 160mm
Rear Travel: 150mm
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX
The Juliana Roubion MX with glovebox internal frame storage

Stash a tube (or a burrito) in the Glovebox

The glovebox on the Juliana Roubion MX

Stash a tube (or a burrito) in the Glovebox

Stash a tube (or a burrito) in the Glovebox

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MY 24 ROUBION CC X 0 AXS MATTE JADE GREEN
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MY 24 ROUBION CC X 0 AXS MATTE JADE GREEN

Contactez votre revendeur pour les tarifs

Poids: 31.43 lbs / 14.26 kg
 

Please note: Price, Weight, and Parts Spec information is subject to change.

X0 AXS

   

31.43 lbs / 14.26 kg

X0 AXS RSV

   

31.35 lbs / 14.22 kg

Frame

   

6.96 lbs / 3.16 kg

Matériau
Carbon CC

CC désigne nos cadres en fibre de carbone de la plus haute qualité. L'utilisation des meilleurs matériaux dans le composite permet d'obtenir les vélos les plus légers, avec le meilleur comportement sur le terrain. Les vélos de niveau CC sont également équipés des meilleures roues, transmissions et suspensions de notre gamme.

En savoir plus

Matériau
Carbon CC

CC désigne nos cadres en fibre de carbone de la plus haute qualité. L'utilisation des meilleurs matériaux dans le composite permet d'obtenir les vélos les plus légers, avec le meilleur comportement sur le terrain. Les vélos de niveau CC sont également équipés des meilleures roues, transmissions et suspensions de notre gamme.

En savoir plus

Matériau
Carbon CC

CC désigne nos cadres en fibre de carbone de la plus haute qualité. L'utilisation des meilleurs matériaux dans le composite permet d'obtenir les vélos les plus légers, avec le meilleur comportement sur le terrain. Les vélos de niveau CC sont également équipés des meilleures roues, transmissions et suspensions de notre gamme.

En savoir plus

Débattement
150mm

Débattement
150mm

Débattement
150mm

Taille de roues
MX

Taille de roues
MX

Taille de roues
MX

Amortisseur
RockShox Super Deluxe Ultimate, 230x60

Amortisseur
RockShox Super Deluxe Ultimate, 230x60

Amortisseur
-

Fourche
RockShox Lyrik Ultimate, 160mm

Fourche
RockShox Lyrik Ultimate, 160mm

Fourche
-

Dérailleur arrière
SRAM X0 Eagle AXS T-Type, 12spd

Dérailleur arrière
SRAM X0 Eagle AXS T-Type, 12spd

Dérailleur arrière
-

Manette droite
SRAM AXS Pod Bridge

Manette droite
SRAM AXS Pod Bridge

Manette droite
-

Cassette
SRAM X0 Eagle T-Type, 10-52t

Cassette
SRAM X0 Eagle T-Type, 10-52t

Cassette
-

Chaîne
SRAM X0 Eagle T-Type, Flattop, 12spd

Chaîne
SRAM X0 Eagle T-Type, Flattop, 12spd

Chaîne
-

Boîtier de pédalier
SRAM DUB 73mm MTB Wide BB

Boîtier de pédalier
SRAM DUB 73mm MTB Wide BB

Boîtier de pédalier
-

Jeu de direction
Cane Creek 40 IS Integrated Headset

Jeu de direction
Cane Creek 40 IS Integrated Headset

Jeu de direction
-

Pneu arrière
Maxxis Minion DHR II 27.5"x2.4", 3C MaxxTerra, EXO

Pneu arrière
Maxxis Minion DHR II 27.5"x2.4", 3C MaxxTerra, EXO

Pneu arrière
-

Pneu avant
Maxxis Minion DHF 29"x2.5"WT, 3C MaxxGrip, EXO

Pneu avant
Maxxis Minion DHF 29"x2.5"WT, 3C MaxxGrip, EXO

Pneu avant
-

Moyeu avant
Industry Nine 1/1, 15x110, Torque Cap, 6-Bolt, 28h

Moyeu avant
Industry Nine 1/1, 15x110, Torque Cap, 6-Bolt, 28h

Moyeu avant
-

Jante avant
RaceFace ARC Offset 30 29"

Jante avant
Reserve 30|HD 29"

La Reserve 30|HD est spécialement conçue pour un pilotage agressif. Elle présente une largeur de 30 mm pour une utilisation optimisée avec des pneus de 2,5. Le fond de jante a été redessinée pour éliminer tous les problèmes liés à l'installation de nouveaux pneus. La Reserve 30|HD est la jante de VTT par excellence.

En savoir plus

Jante avant
-

Moyeu arrière
Industry Nine 1/1, 12x148, XD, 6-Bolt, 28h

Moyeu arrière
Industry Nine 1/1, 12x148, XD, 6-Bolt, 28h

Moyeu arrière
-

Jante arrière
RaceFace ARC Offset 30 27.5"

Jante arrière
Reserve 30|HD 27.5"

La Reserve 30|HD est spécialement conçue pour un pilotage agressif. Elle présente une largeur de 30 mm pour une utilisation optimisée avec des pneus de 2,5. Le fond de jante a été redessinée pour éliminer tous les problèmes liés à l'installation de nouveaux pneus. La Reserve 30|HD est la jante de VTT par excellence.

En savoir plus

Jante arrière
-

Disque avant
SRAM HS2 200mm

Disque avant
SRAM HS2 200mm

Disque avant
-

Disque arrière
SRAM HS2 180mm

Disque arrière
SRAM HS2 180mm

Disque arrière
-

Freins
SRAM Code Silver Stealth

Freins
SRAM Code Silver Stealth

Freins
-

Pédalier
SRAM X0 Eagle DUB T-Type Crankset, 32t

Pédalier
SRAM X0 Eagle DUB T-Type Crankset, 32t

Pédalier
-

Guidon
Santa Cruz 35 Carbon Bar, 800mm

Guidon
Santa Cruz 35 Carbon Bar, 800mm

Guidon
-

Potence
Burgtec Enduro MK3, 42mm

Potence
Burgtec Enduro MK3, 42mm

Potence
-

Selle
Juliana Carbon Saddle

Selle
Juliana Carbon Saddle

Selle
-

Tige de selle
OneUp V2 Dropper Post, 31.6

Tige de selle
OneUp V2 Dropper Post, 31.6

Tige de selle
-

Poignées
Juliana House Grips

Poignées
Juliana House Grips

Poignées
-

Chargeur de batterie
SRAM eTap Powerpack 1 Battery

Chargeur de batterie
SRAM eTap Powerpack 1 Battery

Chargeur de batterie
-

SRAM Eagle Transmission - stronger, better shifting, wirelessly

The next generation SRAM Eagle Transmission spec'd on our CC-carbon models is a radically robust, fully integrated and interdependent wireless transmission. Built around the universal constant of the wheel axle itself, the hangerless attachment mounts directly to the frame for a stronger connection and the derailleur provides unprecedented reliability in case of impact. Shifting under load is made possible due to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. The new AXS Pods are ergonomic and customizable, so shifting gears is light and intuitive. It's simply the most advanced transmission and nearly as tough as you are.

Juliana Bicycles - SRAM NGT explainer
Juliana Bicycles - SRAM NGT explainer
MY24_Roubion_Details
MY24_Roubion_Details
MY24_Roubion_Details
MY24_Roubion_Details
MY24_Roubion_Details
MY24_Roubion_Details
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Juliana/SRAM pro rider Alex Pavon riding the Juliana Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX

150mm VPP™ Travel

150mm of VPP® lower-link rear travel is optimized to strike the right balance between pedaling efficiency and all-out bump chomping prowess.

MX Wheels

150mm VPP™ Travel

Juliana/SRAM pro rider Alex Pavon riding the Juliana Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX

MX Wheels

The mixed wheel configuration of a 29-inch wheel up front provides traction and stability, while the 27.5" rear wheel allows for maneuverability.

MX Wheels

150mm VPP™ Travel

Juliana/SRAM pro rider Alex Pavon riding the Juliana Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX

150mm VPP™ Travel

150mm of VPP® lower-link rear travel is optimized to strike the right balance between pedaling efficiency and all-out bump chomping prowess.

MX Wheels

150mm VPP™ Travel

Juliana/SRAM pro rider Alex Pavon riding the Juliana Roubion MX
Juliana/SRAM Pro Athlete - Alex Pavon riding the Juliana Bicycles Roubion MX

MX Wheels

The mixed wheel configuration of a 29-inch wheel up front provides traction and stability, while the 27.5" rear wheel allows for maneuverability.

MX Wheels

150mm VPP™ Travel

Geometry

All units are in millimeters or degrees.

XSSM
Reach | hi/lo405/402430/427455/452
Stack | hi/lo594/595617/619626/628
Angle de direction | hi/lo64.7°/64.5°64.7°/64.5°64.7°/64.5°
Longueur du tube de selle | hi/lo370/370380/380405/405
Front Center | hi/lo722/722757/757786/786
Hauteur du boitier de pédalier | hi/lo344/341344/341344/341
BB Drop (front) | hi/lo10/1329/3229/32
BB Drop (rear) | hi/lo10/1329/3229/32
Empattement | hi/lo1149/11541188/11891221/1222
Longueur de bases | hi/lo427/432431/432435/436
Longueur du tube de direction | hi/lo110/110100/100110/110
Longueur de tube supérieur | hi/lo536/542570/575599/604
Angle de tube de selle | hi/lo77.6°/76.9°77.2°/76.7°77.1°/76.6°
Standover | hi/lo701/698709/706731/727
Bronson 4 Frame Render

Units

cm

Frame Sizing

If you're on the cusp between the recommended height range of two sizes, the absolute best thing is to try to ride them both. At a minimum, check the stack/reach measurements on your current bike and compare it to the new model you are looking at to get an idea of a fit you are already comfortable with. If riding the bike is not an option, consider the following.

The Roubion is available in sizes extra small - medium (XS-M). The small and medium are mixed wheel configurations. The extra small uses 27.5” wheels - both front and rear.

Personal Preference

A larger size frame will be more stable, and will give you more room to move without upsetting the weight-balance of the bike. The larger size will put the front wheel further in front of you, which gives the feeling of security and conversely, it will require more significant body movements when you WANT to shift the weight-bias of the bike. Think hard about your riding style and how active/intuitive you want it to be vs stable and speedy. You'll need to work a bit harder to muscle the larger bike around.

Body Dimension

Not all bodies at a given height are the same. If you have longer legs and a shorter torso than the average person your height, that may push you towards the smaller of the recommended sizes. If you're all torso and arms, most likely you'll want to size up.

Units

cm

142 - 155cm
142 - 155cm

XS

155 - 165cm
155 - 165cm

S

165 - 175cm
165 - 175cm

M

The Juliana Bicycles Roubion MX
The Juliana Bicycles Roubion MX

Roubion Frame Specifications

Suspension SystemVPP
Front DerailleurNo compatibility
Headset/HeadtubeIntegrated (IS41/52)
Seat Post31.6mm
Seat Clamp36.4mm
Eye to Eye length230mm
Stroke60mm
Fork Compatibility160mm
BB Shell73mm Threaded
Max Tire Size2.6"
Max Chainring Size36t
Water Bottle Mounts1
Shock Mounting Bushing Front30x8 (standard bushing)
Shock Mounting Bushing Rear30x8 (roller bearing)
Brake Mount180 PM
Fork Offset37mm (XS) | 44mm (S-M)

Suspension Setup

Take a look at detailed sag, high/low rebound, and high/low compression recommendations for shocks and forks in each build.

R

Rockshox Lyrik Base 160

Rider Weight (lbs)(kgs)Pressure (psi)Rebound (from closed)
100454014
120545013
140646012
160737011
180828011
200919010
2201001009
2401091108

Fox Float X Performance

Rider Weight (lbs)(kgs)Pressure (psi)Sag (%, mm on shock)Rebound (from closed)
1004511528-32%, 16.5-19mm8
1205413528-32%, 16.5-19mm7
1406415528-32%, 16.5-19mm7
1607317528-32%, 16.5-19mm7
1808219528-32%, 16.5-19mm6
2009121528-32%, 16.5-19mm6
22010023528-32%, 16.5-19mm6
24010925528-32%, 16.5-19mm5
26011827528-32%, 16.5-19mm5

S

Fox 36 Performance 160

Rider Weight (lbs)(kgs)Pressure (psi)Rebound (from closed)
120-13054-596613
130-14059-647012
140-15064-687411
150-16068-737810
160-17073-77829
170-18077-82868
180-19082-86897
190-20086-91946
200-21091-95995
210-22095-1001044
220-230100-1041093
230-240104-1091132

Rockshox Super Deluxe Select Plus

Rider Weight (lbs)(kgs)Pressure (psi)Sag (%, mm on shock)Rebound (from closed)
100458528-32%, 16.5-19mm7
1205410528-32%, 16.5-19mm6
1406413028-32%, 16.5-19mm6
1607314528-32%, 16.5-19mm6
1808217028-32%, 16.5-19mm5
2009119028-32%, 16.5-19mm5
22010021528-32%, 16.5-19mm5
24010923528-32%, 16.5-19mm4
26011826028-32%, 16.5-19mm4

X0 AXS

FORK: Rockshox Lyrik Ultimate

Rider WeightAir PressureRebound (from closed)Compression: LSC,HSC (from middle)
100lbs (45.5kg)4015-2,middle
120lbs (54.4kg)5013-2,middle
140lbs (63.5kg)6012-2,middle
160lbs (72.6kg)7011-2,middle
180lbs (81.8kg)8010-2,middle
200lbs (90.7kg)909-2,middle
220lbs (99.8kg)1008-2,middle
240lbs (108.8kg)1106-2,middle
260lbs (113kg)1205-2,middle

SHOCK: Rockshox Super Deluxe Ultimate

Rider WeightAir PressureShock SagRebound (from closed)Compression (from closed)
100lbs (45.5kg)8528-32%, 16.5-19mm710
120lbs (54.4kg)10528-32%, 16.5-19mm610
140lbs (63.5kg)13028-32%, 16.5-19mm610
160lbs (72.6kg)15028-32%, 16.5-19mm69
180lbs (81.8kg)17528-32%, 16.5-19mm59
200lbs (90.7kg)19528-32%, 16.5-19mm59
220lbs (99.8kg)22028-32%, 16.5-19mm58
240lbs (108.8kg)24028-32%, 16.5-19mm48
260lbs (117.9kg)26528-32%, 16.5-19mm48

X0 AXS RSV

FORK: Rockshox Lyrik Ultimate

Rider WeightAir PressureRebound (from closed)Compression: LSC,HSC (from middle)
100lbs (45.5kg)4015-2,middle
120lbs (54.4kg)5013-2,middle
140lbs (63.5kg)6012-2,middle
160lbs (72.6kg)7011-2,middle
180lbs (81.8kg)8010-2,middle
200lbs (90.7kg)909-2,middle
220lbs (99.8kg)1008-2,middle
240lbs (108.8kg)1106-2,middle
260lbs (113kg)1205-2,middle

SHOCK: Rockshox Super Deluxe Ultimate

Rider WeightAir PressureShock SagRebound (from closed)Compression (from closed)
100lbs (45.5kg)8528-32%, 16.5-19mm710
120lbs (54.4kg)10528-32%, 16.5-19mm610
140lbs (63.5kg)13028-32%, 16.5-19mm610
160lbs (72.6kg)15028-32%, 16.5-19mm69
180lbs (81.8kg)17528-32%, 16.5-19mm59
200lbs (90.7kg)19528-32%, 16.5-19mm59
220lbs (99.8kg)22028-32%, 16.5-19mm58
240lbs (108.8kg)24028-32%, 16.5-19mm48
260lbs (117.9kg)26528-32%, 16.5-19mm48

Geometry

All units are in millimeters or degrees.

XSSM
Reach | hi/lo405/402430/427455/452
Stack | hi/lo594/595617/619626/628
Angle de direction | hi/lo64.7°/64.5°64.7°/64.5°64.7°/64.5°
Longueur du tube de selle | hi/lo370/370380/380405/405
Front Center | hi/lo722/722757/757786/786
Hauteur du boitier de pédalier | hi/lo344/341344/341344/341
BB Drop (front) | hi/lo10/1329/3229/32
BB Drop (rear) | hi/lo10/1329/3229/32
Empattement | hi/lo1149/11541188/11891221/1222
Longueur de bases | hi/lo427/432431/432435/436
Longueur du tube de direction | hi/lo110/110100/100110/110
Longueur de tube supérieur | hi/lo536/542570/575599/604
Angle de tube de selle | hi/lo77.6°/76.9°77.2°/76.7°77.1°/76.6°
Standover | hi/lo701/698709/706731/727
Bronson 4 Frame Render

Units

cm

Frame Sizing

If you're on the cusp between the recommended height range of two sizes, the absolute best thing is to try to ride them both. At a minimum, check the stack/reach measurements on your current bike and compare it to the new model you are looking at to get an idea of a fit you are already comfortable with. If riding the bike is not an option, consider the following.

The Roubion is available in sizes extra small - medium (XS-M). The small and medium are mixed wheel configurations. The extra small uses 27.5” wheels - both front and rear.

Personal Preference

A larger size frame will be more stable, and will give you more room to move without upsetting the weight-balance of the bike. The larger size will put the front wheel further in front of you, which gives the feeling of security and conversely, it will require more significant body movements when you WANT to shift the weight-bias of the bike. Think hard about your riding style and how active/intuitive you want it to be vs stable and speedy. You'll need to work a bit harder to muscle the larger bike around.

Body Dimension

Not all bodies at a given height are the same. If you have longer legs and a shorter torso than the average person your height, that may push you towards the smaller of the recommended sizes. If you're all torso and arms, most likely you'll want to size up.

Units

cm

142 - 155cm
142 - 155cm

XS

155 - 165cm
155 - 165cm

S

165 - 175cm
165 - 175cm

M

FAQ's

Can I put a 27.5 front wheel on the Roubion?

These bikes are designed specifically to use mixed wheels. We do not recommend a 27.5 front wheel for geometry reasons. The XS size is the exception as it's designed for 27.5".

Do all sizes use MX wheels?

The XS size Roubion uses 27.5" wheels front and rear. All other sizes are MX

I see there are different chainstay lengths for each size bike. Can I buy a different swingarm to customize the length on my bike?

The chainstay length change occurs in the front triangles- we vary the pivot locations fore and aft to achieve the different lengths while using a single size swingarm. So no- you cannot get the chainstay length of the small on your size large, for instance.

I'm coming from a 27.5 bike- what will feel different with MX? Any setup tips?

An MX bike will definitely handle differently than a full 27.5 bike. The main difference you'll feel is a more stable and confident front end. The turning will be a bit slower than a 27.5, but the payoff is a more secure feeling in corners and more traction. Due to the taller front axle height and improved roll-over of the large wheel, your chances of stuffing the front wheel or going over the bars is vastly diminished. Use this security to ride challenging terrain with a more aggressive and dynamic body position.

I've been riding 29ers for a while- what will feel different with MX? Any setup tips?

29" bikes provide a ton of front wheel grip- this is partially due to the front wheel itself, but also due to the axle height of the rear wheel which works to keep the front end weighted. This creates a natural position on lower-angle terrain but requires body position and/or setup adjustments to achieve any sort of rearward bias.

On an MX bike, the bias is more rearward. This gives a very natural feeling on steep descents, but requires some body position and setup consideration for a balanced feel on flatter terrain. Compared to a 29er, a slightly lower handlebar and a more forward-biased suspension setup will make an MX bike feel more like what you're used to. Additionally, using the Hi BB setting will lend itself to a more front biased feel. Using these tuning parameters will help you find the sweet spot for your terrain and preference.

You'll know you have it dialed when it feels like you're never making large body weight shifts to either lift the front end or keep it stuck to the ground.

What fork offset is the recommended?

The Roubion comes with 42-44mm offset forks, and this is what we recommend for optimal handling. The size XS come with a 37mm offset 27.5" fork

What's the largest rear rotor that will fit on the Roubion?

The minimum is 180mm (direct mount) and the largest is 223mm

Why are there two different measurements listed for BB Drop?

BB drop is the measurement between the center of the bottom bracket and the front and rear axles. Because the Roubion (S-M) comes with two different wheel sizes the BB drop is greater up front.

Why MX (Mixed Wheels)?

Mixed wheels provide the stability and traction of a 29" front wheel with the agility of a 27.5" rear wheel. The smaller rear wheel and its comparatively lower axle height allows the rider to more easily unweight the front wheel- this makes for confident yet agile handling on the steepest of descents.

What can I store in the glovebox?

The glovebox comes with two bags - a tube purse and a tool wallet. You should be able to fit a superlight tube, a small pump, tire lever, and misc odds and ends in these two bags.

Exploded Diagrams

Seat Collar, Upper Link Mounting Hardware, and Upper Shock Bolt

Bronson/Roubion 4.1 Exploded Diagram 1
Bronson/Roubion 4.1 Exploded Diagram 1

Lower Link Mounting Hardware

Bronson/Roubion 4.1 Exploded Diagram 2
Bronson/Roubion 4.1 Exploded Diagram 2

Downtube Protector and Shuttle Guard

Bronson/Roubion 4.1 Exploded Diagram 3
Bronson/Roubion 4.1 Exploded Diagram 3

Rear Axle, Derailleur Hanger, and Chainstay Protector

Bronson/Roubion 4.1 Exploded Diagram 4
Bronson/Roubion 4.1 Exploded Diagram 4

Rear Fender

Bronson/Roubion 4.1 Exploded Diagram 5
Bronson/Roubion 4.1 Exploded Diagram 5

Upper Link

Bronson/Roubion 4.1 Exploded Diagram Upper Link
Bronson/Roubion 4.1 Exploded Diagram Upper Link

Lower Link

Bronson/Roubion 4.1 Exploded Diagram Lower Link
Bronson/Roubion 4.1 Exploded Diagram Lower Link