2023 Juliana Roubion 4.1 C S-Kit

Article code 58-23242-148-2-782-331101
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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.


  • Model - S / Carbon C / MX
  • Weight - 14.64kg / 32.27lbs
  • Material - Carbon C
  • Fork - FOX 36 Float Performance, 160mm
  • Shock - RockShox Super Deluxe Select+
  • Shifters - SRAM GX Eagle, 12spd
  • Crankset - SRAM GX Eagle 148 DUB, 32t
  • Cassette - SRAM XG1275 Eagle, 12spd, 10-50t
  • Chain - SRAM GX Eagle, 12spd
  • Brakes - SRAM Code R
  • Headset - Cane Creek 40 IS Integrated Headset
  • Bars - Burgtec RideWide Alloy Bar, 800mm
  • Stem - Burgtec Enduro MK3, 42mm
  • Grips - Juliana House Grips
  • Rims - "RaceFace AR Offset 30 29"" (f) /27.5"" (r) Rims"
  • Chainguide - "Maxxis Minion DHR II 27.5""x2.4"", 3C MaxxTerra, EXO, TR"
  • Spokes - Reserve Tubeless Sealant


Reach 402 427 452
Stack 595 619 628
Head Tube Angle 64.5° 64.5° 64.5°
Seat Tube Length 370 380 405
Front Center 722 757 786
BB Height 341 341 341
BB Drop 13 32/13 32/13
Wheelbase 1154 1159 1222
Rear Center 432 432 436
Head Tube Length 110 100 110
Top Tube Length 542 575 604
Seat Tube Angle 76.9° 76.7° 76.6°
Standover Height 698 706 727

Frame Sizing

  • 142 - 155cm - XS
  • 155 - 165cm - S
  • 165 - 175cm - M

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.