SONIX CX4 — Designer — Duratec

SONIX CX4
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Recommended groupset Price incl. tax Weight
RockShox Recon SRAM X5 2x10sp Fulcrum Ritchey Comp 43 685 Kč 10996g

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SONIX CX4

29er 2x10/11sp

BIKE PRICE
from 43 685 Kč
with groupset
RockShox Recon SRAM X5 2x10sp Fulcrum Ritchey Comp

Color

Frame color (matt) Stickers (glossy) Frame colour Logo colour Frame colour Big stripe colour Small wave colour Logo colour Frame colour Colour - front part Colour - stripes Logo colour front Logo colour rear Fork color Colour of saddle Base Frame Loading
  • Design

  • MATT & GLOSS MATT & GLOSS

    Frame color (matt)

    • 1501 White
    • 1502 Black
    • 1503 Cream White
    • 1504 Light Silver
    • 1505 Classic Silver
    • 1506 Titan Grey
    • 1507 Anthrazit Grey
    • 1508 Light Bronze
    • 1509 Dark Bronze
    • 1510 Gold
    • 1511 Classic Yellow
    • 1512 Green-Yellow
    • 1513 Spring Green
    • 1514 Freddy Blue
    • 1515 Light Blue
    • 1516 Dark Blue
    • 1517 Pure Orange
    • 1518 Pink
    • 1519 Raspberry Red
    • 1520 Red

    Stickers (glossy)

    • Eclipse Black
  • Mono Mono

    Frame colour

    • Arctic White
    • Attractive Green
    • Eclipse Black
    • Ultramarine Blue
    • Fire Red
    • Light Blue
    • Classic Yellow
    • Melon Yellow
    • Orange
    • Light Pink
    • 1504 Light Silver
    • 1505 Classic Silver
    • 1506 Titan Grey
    • 1507 Anthrazit Grey

    Logo colour

    • CA171 White
    • CA172 Black
    • CA174 Titan Grey
  • Across Across

    Frame colour

    • Arctic White
    • Attractive Green
    • Eclipse Black
    • Ultramarine Blue
    • Fire Red
    • Light Blue
    • Classic Yellow
    • Melon Yellow
    • Orange
    • Light Pink

    Big stripe colour

    • Arctic White
    • Attractive Green
    • Eclipse Black
    • Ultramarine Blue
    • Fire Red
    • Light Blue
    • Classic Yellow
    • Melon Yellow
    • Orange
    • Light Pink

    Small wave colour

    • White
    • Green
    • Black
    • Red

    Logo colour

    • CA171 White
    • Green
    • CA172 Black
    • Red
  • Fork color

    • Black
  • Colour of saddle

    • White
    • Black
  • Logo on frame

    Choose your logo

Extra charge paintjob:
Inclusive

Extra charge logo: 0 Kč

  • Change background

    • Dark
    • Light
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Frame size

Basic Rider parameters

The smallest possible body height is 148cm The greatest possible body height is 210cm
The smallest possible weight is 40 kg The smallest possible weight is 40 kg The greatest possible weight is 150 kg The greatest possible weight is 150 kg

Rider profile

Describe yourself as a rider. This helps us with recommendations on appropriate components and setting a sitting position.

Ambition

Health: You do not cycle for sport, but you love being out in nature and discover new things.

Hobby: Cycling means leisure to you. You do cycle to enjoy nature and keep yourself fit.

Sport: You do cycling for sport. When you are on the bike, you want to train yourself and compete with your friends.

Race: You are training seriously on your bike and sometimes compete at marathons and other races.

Professional: You want to win races at a high level, so being fast is the most important to you.

Experience

You are just starting to discover cycling for yourself.

You are just starting to discover cycling for yourself, but you do other sports on a regular basis.

You started cycling one or two years ago, and last year you did about 2000 km on your bike.

You spend lots of your time one you bike, which adds up to around 5000 km a year.

You have been cycling seriously for a long time and do 10 000 or more km a year.

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VR
cm
VR
inch
VP
cm
A1
mm
A2
mm
B2
mm
C1
mm
C2
mm
D
mm
F
mm
G
mm
H
mm
K
mm
L
mm
O
mm
R
mm
S
mm
α
deg
β
deg
44 17,3 167 - 171 586 569 440 445 450 298 115 667 1108 46 88,5 794 408 621 69,5 74,0
46 18,1 172 - 176 595 576 460 445 450 298 115 676 1117 46 88,5 804 417 621 69,5 74,0
48 18,9 177 - 181 608 586 480 445 450 298 115 683 1124 46 88,5 814 424 621 69,5 73,5
50 19,7 182 - 186 620 597 500 445 450 298 115 689 1131 46 85,0 824 435 623 70,0 73,5
52 20,5 187 - 191 633 610 520 445 450 298 125 703 1144 46 85,0 839 446 633 70,0 73,5
54 21,3 192 - 196 645 622 540 445 450 298 135 715 1157 46 85,0 853 455 642 70,0 73,5
56 22,0 197 - 201 658 634 560 445 450 298 145 723 1164 46 85,0 867 459 651 70,0 73,0

 

Dimension

Summary

Thank you for your interest in a customised bicycle built by us.

You can now either SAVE AS PDF which you can print out for yourself or you can. START AGAIN if you feel that the configuration needs to be changed. EMAIL US to allow us to look over your configuration and we can advise by calling you direct. ADD TO BASKET will confirm your order with us and we will contact you by telephone to confirm. Payment is made at the time of order. Thank you

Price for complete bike 0 Kč

Weight 1480g

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SONIX CX4 29er 2x10/11sp

The Sonix CX4-29" bike is suitable for cross-country and marathon races. It has a very dynamic appearance and attracts significant attention in the peloton. With its technical maturity, handling and construction it has become the best-selling model amongst the twenty-nines. The frame has no superfluous brazed-ons, and the Bowden cables are integrated inside the frame, which imposes minimal demands on maintenance. The imperceptibility of the welds, which are hand ground and precisely executed, make this predator all the more elegant!

Thanks to our own production, we can optimise the frame geometry and riding position in such a way that it corresponds to the physical proportions of a specific cyclist. For many clients this professional service and customised frame production is a core decision when choosing a bike.

The frame of the Torain C1 is made of 7020T6 aluminium alloy, and its design utilises large-diameter tubes which effectively resist the dynamic strain during a race and offer the cyclist faster reaction and good handling due to their rigidity.

The top and bottom tube are shaped in the direction from the head of the frame in such a way that they absorb any dynamic impacts from the front wheel, making the frame even more comfortable. The design of the shape of the rear stays and the bottom and top tubes has a positive influence on the transmission of shocks from wheel to the contact points of the cyclist, i.e., to the seatpost and the handlebars.

Standard fittings
fitting bottle cages to the seat and down tube, replaceable hanger for derailleur, seat clamp diameter is 31.8 mm, rear disc brake Int'l Standard, 1 1/8" - 1 1/2” FSA ORBIT IS2 headset

Extra version
preparation for carrier installation, brake disc diameter 203 mm, rear dropouts for Syntace X12 thru axle

Connecting dimensions
geometry of frame adapted to suspension forks 29" with travel of 100mm, wheel diameter 29", max. brake disc diameter 180 mm, fork steerer 1 1/8" - 1 1/2", bottom pull front derailleur, clamp front derailleur diameter 34,9 mm, BSA bottom bracket (width 68 mm), diameter of seat post 27,2 mm, max width of tyres 2,25"

Frame geometry
download the table: male geometry | female geometry 

Sonix CX4 benefits

In the direction from the head, the top and down tubes of the frame are shaped so that in the case of dynamic impacts on the front wheel during races on rough terrain, they better distribute this load and the frame becomes more comfortable, which the cyclist will appreciate during longer rides in particular. The function can be explained as a concertina effect. You can find a more detailed explanation here.

The cables for the front and rear derailleur are routed inside the frame. The cables always emerge from the frame directly at the component, i.e., the front and rear derailleur. The hydraulic hose for the rear brake is also routed through the top tube. Thanks to its internal Teflon routing, this model places minimal demands on maintenance.

Internal cable routing Handcrafted

Duratec frames are hand welded, They do not have a conventional bead shaped by a welding robot, because the weld is performed by hand in several steps. You can find more information about welds and grinding on the technology page.

Biaxial S-bend seat stays have a highly specific shape. The dynamic impacts from bumps in the terrain pass via the rear wheel into the rear triangle of the frame to the nodal connection of the seat tube with seat. Thanks to the designed bi-directional profiling of the seat stays, these dynamic forces are distributed and the vertical component of the force negatively impacting ride comfort is lessened.

CNC dropouts Rear brake

IS fixing for rear disk brake. The frame Sonix CX4 is manufactured as standard for a disk brake with max diameter of 180 mm. The rear frame dropouts are CNC milled. Steel inserts are inserted in the dropouts which make it possible to secure the rear wheel with the requisite torque and ensure that washers are not pressed directly into the frame. These inserts can be replaced.

The chain holder is screwed onto the inner side of the rear frame  dropout and is a highly valuable aid especially for those who often remove the rear wheel from the frame. Thanks to this clever little gadget, when you remove the wheel the chain will stay on this holder, and you can handle the bike just as you want without having to secure the chain. So, clean hands, secured chain, and the optimum state for transport.

Chain grip Bottom bracket

Atypical design of frame bottom bracket developed in connection with the internal running of the cables. Thanks to the internal Teflon routing, the cables to the rear and front derailleur are routed inside the frame, and thanks to the "sandwich" system of the bottom bracket they neatly bypass it without touching the actual bottom bracket in which the axle is mounted. The internal bottom bracket is a conventional BSA one, 68 mm wide.

Atypical design of frame bottom bracket developed in connection with the internal running of the cables. Thanks to the internal Teflon routing, the cables to the rear and front derailleur are routed inside the frame, and thanks to the "sandwich" system of the bottom bracket they neatly bypass it without touching the actual bottom bracket in which the axle is mounted. The internal bottom bracket is a conventional BSA one, 68 mm wide.