Tandem Big Bang R9 — Designer — Duratec

BIG BANG
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The most popular groupsets

Recommended groupset Price incl. tax Weight
SRAM Apex DT Swiss Ritchey Comp 92 628 Kč 13270g
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Shimano 105 DT Swiss Ritchey Comp 100 312 Kč 13452g
Campagnolo Potenza DT Swiss Ritchey Comp 106 532 Kč 13506g
Shimano Ultegra DT Swiss Ritchey Comp 113 331 Kč 13231g
Campagnolo Chorus DT Swiss Ritchey WCS 119 838 Kč 13151g
SRAM Force 22 DT Swiss Ritchey WCS 124 609 Kč 12756g
Campagnolo Record DT Swiss Ritchey WCS 135 568 Kč 13132g
SRAM Red 22 DT Swiss Ritchey WCS 145 730 Kč 12316g
Campagnolo Super Record DT Swiss Ritchey WCS 149 078 Kč 12983g
Shimano Ultegra Di2 DT Swiss Ritchey WCS 152 257 Kč 13078g
Shimano Dura-Ace DT Swiss Ritchey WCS 161 304 Kč 12683g
SRAM Red eTap DT Swiss Ritchey WCS 175 051 Kč 12497g
Shimano Dura-Ace Di2 DT Swiss Ritchey WCS 222 473 Kč 12656g

Konfigurujete pouze rám. Pro Vaši lepší představu Vám zobrazujeme celé kolo.

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BIG BANG

ROAD rim brakes

BIKE PRICE
from 92 628 Kč
with groupset
SRAM Apex DT Swiss Ritchey Comp

Color

Frame colour Logo colour Colour - upper part Colour - bottom part Logo colour Frame colour Colour - front part Colour - stripes Logo colour front Logo colour rear Base Frame Loading
  • Design

  • Mono Mono

    Frame colour

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

    Logo colour

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

    Colour - upper part

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

    Colour - bottom part

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

    Logo colour

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

    Frame colour

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

    Colour - front part

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

    Colour - stripes

    • White
    • Black
    • Green
    • Red

    Logo colour front

    • CA171 White
    • CA172 Black
    • CA174 Titan Grey

    Logo colour rear

    • CA171 White
    • CA172 Black
    • CA174 Titan Grey
  • Logo on frame

    Choose your logo

Extra charge paintjob:
Inclusive

Extra charge logo: 0 Kč

  • Change background

    • Dark
    • Light
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Favouriter designs:

Frame size

Velikost rámu je nestandardní, musíme Vám vyrobit rám na míru. Budeme Vás kontaktovat

OK
VR
 
cm
VR
 
inch
VP
[1]
cm
VP
[2]
cm
A1
[1]/[2]
mm
A2
[1]/[2]
mm
B2
[1]/[2]
mm
C1
 
mm
C2
 
mm
D
[1]/[2]
mm
F
 
mm
G
 
mm
H
 
mm
K
 
mm
L
 
mm
O
[1]/[2]
mm
R
[1]/[2]
mm
S
[1]/[2]
mm
α
 
mm
β
[1]/[2]
mm
50/46 19,7/18,1 157-164 149-151 529/686 513/679 500/460 405 411 270/270 125 583 1670 43 64,3 724/699 376/552 551/482 72,0 74,5/74,5
50/48 19,7/18,9 157-164 152-156 529/686 513/683 500/480 405 411 270/270 125 583 1670 43 64,3 717/709 376/552 551/482 72,0 74,5/74,5
52/41 20,5/16,1 165-170 140-151 539/686 524/667 520/405 405 411 270/270 125 587 1680 43 64,3 769/679 381/548 551/500 72,0 74,0/74,5
52/46 20,5/18,1 165-170 149-151 539/686 524/676 520/460 405 411 270/270 125 587 1680 43 64,3 749/707 381/548 551/500 72,0 74,0/74,5
52/50 20,5/19,7 165-170 157-164 539/705 524/704 520/500 405 411 270/270 125 587 1699 43 64,3 735/728 381/567 551/500 72,0 74,0/74,5
54/46 21,3/18,1 171-175 149-151 549/686 537/671 540/454 405 411 270/270 125 597 1690 43 64,3 778/713 391/542 551/519 72,0 74,0/74,5
54/50 21,3/19,7 171-175 157-164 549/705 537/699 540/500 405 411 270/270 125 597 1709 43 64,3 762/737 391/561 551/519 72,0 74,0/74,5
54/52 21,3/20,5 171-175 165-170 549/712 537/709 540/520 405 411 270/270 125 597 1710 43 64,3 755/746 391/563 551/519 72,0 74,0/74,0
56/50 22,0/19,7 176-178 157-164 560/705 550/694 560/496 405 411 270/270 125 598 1715 43 61,2 788/743 396/556 552/537 72,5 73,5/74,5
56/52 22,0/20,5 176-178 165-170 560/712 550/705 560/520 405 411 270/270 125 598 1717 43 61,2 780/755 396/558 552/537 72,5 73,5/74,0
56/54 22,0/21,3 176-178 171-175 560/712 550/710 560/540 405 411 270/270 125 598 1717 43 61,2 773/765 396/558 552/537 72,5 73,5/74,0
58/52 22,8/20,5 178-182 165-170 571/712 561/700 580/517 405 411 270/270 145 610 1728 43 61,2 807/763 402/553 571/556 72,5 73,5/74,0
58/54 22,8/21,3 178-182 171-175 571/712 561/705 580/540 405 411 270/270 145 610 1728 43 61,2 799/774 402/553 571/556 72,5 73,5/74,0
58/56 22,8/22,0 178-182 176-178 571/738 561/736 580/560 405 411 270/270 145 604 1749 43 61,2 791/783 396/574 571/555 72,5 73,0/73,5
60/54 23,6/21,3 183-188 171-175 583/712 572/701 600/536 405 411 270/270 165 616 1741 43 61,2 826/780 402/548 591/574 72,5 73,0/74,0
60/56 23,6/22,0 183-188 176-178 583/738 572/731 600/560 405 411 270/270 165 616 1761 43 61,2 817/792 402/568 591/574 72,5 73,0/73,5
60/58 23,6/22,8 183-188 178-182 583/738 572/735 600/580 405 411 270/270 165 616 1756 43 61,2 810/802 402/563 591/574 72,5 73,0/73,0
62/56 24,4/22,0 189-195 176-178 595/738 584/725 620/556 405 411 270/270 185 628 1774 43 61,2 845/799 409/563 610/593 72,5 73,0/73,5
62/58 24,4/22,8 189-195 178-182 595/738 584/730 620/580 405 411 270/270 185 628 1768 43 61,2 837/811 409/557 610/593 72,5 73,0/73,0
62/60 24,4/23,6 189-195 183-188 595/738 584/735 620/600 405 411 270/270 185 628 1768 43 61,2 830/821 409/557 610/593 72,5 73,0/73,0

 

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 3400g

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BIG BANG ROAD rim brakes

Tandem, or a bike which two cyclists ride and pedal together. There are more or less two kinds of people who ride tandems: those who have completely fallen under the spell of tandem pedalling and have become aficionados and fans, and those for who it is the only means of movement and active sport as a result of their disability.  In the second case a blind or otherwise disabled rider sits behind the front rider.  

Building a tandem requires a highly individual approach, especially in its geometry and design. It requires the combination of two frame sizes so that the result suits both riders.  Thanks to our custom production and our extensive experience of many years with tandems, Duratec, can design and fine tune frame geometry, manufacture the frame and assamble complete bikes to our customers satisfaction.  Duratec tandem bikes are used by many national teams of disabled athletes around the world. Representatives of Australia, the Netherlands, Brazil, Ireland, Greece, Russia, Belgium, Austria, Germany, Spain and many other countries are the best references for our products. Duratec prides itself on building high quality tandems for very tallented riders. 

Chains on the right side

Big Bang R9 is a road tandem intended for racing. This model is suitable for conventional road rim brakes. Large-diameter tubes made of 7020T6 aluminium alloy are used for construction of the frame. The large diameters of the tubes ensure the rigidity of the frame and effectively resists stress in the direction of torsion. Overall this is an extremely high quality frame in terms of strength and rigidity. One part of the frame is an eccentric bottom bracket located in the pedalling axis of the front rider which can be rotated to tension the chain between the two bottom brackets. For this model Duratec has developed and manufactured a wholly unique dual chainring, the fitting of which ensures that the chains are located only on the right side.  If electronic gear shifting is selected, we adapt the frame so that it is possible to run the Shimano Di2 cabling inside the frame. The battery is integrated in the seatpost of the rear rider. You can find all the available variants and current prices below in the details or on the Configuration page. 

Standard equipment
eccentric bottom bracket shell, one/two pairs of braze-ons for bottle cages for the pilot (number according to size of frame), two pairs of braze-ons for bottle cages for the rider, replaceable derailleur hanger, seat clamps 31.8 mm, version for conventional calliper brakes controlled by pilot,headset 1 1/8"  - 1 1/2" FSA ORBIT  IS, eccentric bottom bracket for tensioning chain between bottom brackets, rear dropouts for Quick release

Additional features
modification of basic measurements according to the requests or cyclists' body; additional brake for stoker; the drive system located on the right size;frame prepared for internal Di2 cables - version for electronic set Shimano Di2; Gates Carbon Drive™ System between 1st-2nd BB (belt), rear dropouts ready for Syntace X12 Thru Axle - 142/12 mm

Mating dimensions
frame geometry for a Duratec fork with the height 397 mm (lenght of steerer 320 mm, fork steerer 1-1/8"÷1 1/2"), wheel diameter 28" (622), width of the rear triangle 130 mm,tire clearance 25 mm, bottom pull derailleur, seatpost diameter 27.2 mm,front derailleur on clamp diameter 34.9 mm

Frame geometry - Download a table with the frame geometry here.

Front fork Duratec

DURATEC F02 front fork is made of 7005T6 aluminium alloy and has conical post 1-1/8“-1-1/2“, crown diameter 50 mm, weight 720 g. The fork is offered in many variants according to the individual disciplines and selected types of brakes. For example road for calliper brakes, road for disk brakes, track fork etc. The crown diameter seamlessly blends with the frame head, and the transition between these parts is compact. The fork is certified for tandem use. 

Specially developed chainring for linking bottom brackets of both riders. Manufactured by CNC milling and suitable for Shimano and SRAM cranksets.

Developed chainring Ergo Stoker Levers

For greater comfort and better grip, we recommend adding Cane Creek Ergo Stoker Levers for the second rider.   

Specially developed dual chainring for linking bottom brackets of both riders. Manufactured by CNC milling and suitable for Shimano and SRAM cranksets. We offer two sizes, 36-36 teeth and 39-39 teeth. Thanks to the dual chainring we can use the chain to link both bottom brackets on the right side. It is not necessary to have a linking chain on the left and driving unit on the right. The system has gained great popularity because a rider can use standard cranksets such as the Shimano Ultegra or SRAM.

Large-diameter tubes Exchangeable RD hanger
The parts used for construction and manufacturing of frames including rear dropouts of the frame, derailleur hangers, chain grip, in-line cable adjusters and others are made in CNC milling centre. The advantage of this kind of machining is reaching a high precision of machined parts. This technology guarantees a high quality of the surface of machined parts, very clean cutting and a very neat “high-tech” design. Rear derailleur hanger is exchangeable.
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