Tandem Big Bang T9 — Designer — Duratec

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The most popular groupsets

Recommended groupset Price incl. tax Weight
Miche Miche Ritchey 67 861 Kč 12782g
Miche ZIPP Ritchey 112 231 Kč 12374g

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BIG BANG

T9

BIKE PRICE
from 67 861 Kč
with groupset
Miche Miche Ritchey

Color

Frame colour 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
    • Fire Red
    • Dark Blue
    • Light Blue
    • Classic Yellow
    • Orange
    • Light Pink

    Logo colour

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

    Frame colour

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

    Colour - front part

    • Arctic White
    • Attractive Green
    • Eclipse Black
    • Fire Red
    • Dark Blue
    • Light Blue
    • Classic Yellow
    • Orange
    • Light 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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Components

BIKE PRICE
incl. components

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the groupset

BIKE WEIGHT
approx.:

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Frame size

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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
50/48 19,7/18,9 161-165 155-160 534/672 520/669 500/480 386 390 282/282 125 588 1643 41 63,3 730/722 389/543 541/483 72,5 75,0/75,0
52/48 20,5/18,9 166-170 155-160 544/672 532/665 520/480 386 390 282/282 125 593 1649 41 60,2 757/731 399/537 543/502 73,0 75,0/75,0
52/50 20,5/19,7 166-170 161-165 544/686 532/683 520/500 386 390 282/282 125 593 1663 41 60,2 750/741 399/551 543/502 73,0 75,0/75,0
54/47 21,3/18,5 171-175 155-158 555/672 546/659 540/471 386 300 282/282 125 604 1660 41 60,2 787/735 410/532 543/522 73,0 75,5/75,0
54/50 21,3/19,7 171-175 161-165 555/686 546/679 540/500 386 390 282/282 125 604 1674 41 60,2 776/750 410/546 543/522 73,0 75,0/75,0
54/52 21,3/20,5 171-175 166-170 555/705 546/702 540/520 386 390 282/282 125 604 1693 41 60,2 769/760 410/565 543/522 73,0 75,0/75,0
55/49 21,7/19,3 173-177 158-162 560/672 552/662 550/492 386 390 282/282 125 604 1665 41 60,2 792/750 410/530 543/530 73,0 74,5/75,0
56/52 22,0/20,5 176-180 166-170 566/705 560/697 560/514 386 390 282/282 125 610 1704 41 60,2 796/766 416/560 543/540 73,0 74,5/75,0
56/54 22,0/21,3 176-180 171-175 566/712 560/710 560/540 386 390 282/282 125 610 1711 41 60,2 787/779 416/567 543/540 73,0 74,5/75,0
57/52 22,4/20,5 178-182 166-170 571/705 564/697 570/522 386 390 282/282 135 610 1704 41 57,1 807/774 417/558 554/549 73,5 74,5/75,0
58/53 22,8/20,9 178-185 168-172 577/705 570/697 580/532 386 390 282/282 145 617 1710 41 57,1 816/784 421/555 564/559 73,5 74,5/75,0
58/55 22,8/21,7 178-185 173-178 577/717 570/712 580/550 386 390 282/282 145 617 1717 41 57,1 810/793 421/562 564/559 73,5 74,5/74,5
60/55 23,6/21,7 186-193 173-178 589/717 582/709 600/553 386 390 282/282 165 629 1735 41 57,1 836/804 427/562 583/578 73,5 74,5/75,0
60/58 23,6/22,8 186-193 179-185 589/738 582/735 600/580 386 390 282/282 165 629 1750 41 57,1 826/817 427/578 583/578 73,5 74,5/74,5

 

Dimension

Summary

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

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Price for complete bike 0 Kč

Weight 3400g

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BIG BANG T9

Building a tandem requires a highly individual approach, especially in its geometry and design. It is necessary to combine two frame sizes so that the result suits both riders.  Thanks to its custom production and mainly to its extensive experience of many years with tandems, Duratec, can fine tune and design the frame geometry and then manufacture the frame and naturally also assemble the complete tandem. Duratec is the official partner of 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 builds high quality tandems, tandems for winners. Kieran Modra and David Edwards won a gold in the pursuit at the World Championships in 2016. 

Big Bang T9 is a racing tandem specially intended for sprint and pursuit. 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. For track disciplines the conversion of force from pedalling to acceleration is a core requirement. Overall this is an extremely high quality frame concept in terms of strength and rigidity. The riding position and position of the riders in terms of each other is an important parameter, in particular for track disciplines. Duratec offers 14 basic sizes in the standard offer. The geometry is designed according to the height of the riders so that the length of the rear rider's top tube is shorter and they adopt an aerodynamic position without excessive space between each other. If requested, it is possible to make the frame to order according to the individual requirement of the riders.

Standard equipment: 
headset 1–1/8" - 1 1/2" FSA ORBIT IS2 , track-type inserts in rear dropouts, seat clamp diameter 31.8 mm

Additional features
modification of basic measurements according to the rider's request or cyclists' body

Mating dimensions
frame geometry for Duratec fork (height 397 mm, steerer tube length 320 mm, tapered 1-1/8"-1-1/2") , wheel diameter 28" (622), width of the rear triangle 120 mm, seatpost diameter 27.2 mm

Frame geometry
download a table with the frame geometry here 

Big Bang T9

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. 

Very difficult thing are the crancs for tandems. We very often use the cranks GEBHARDT. It is customized work. It means the customer can choose the lenght of cranks, right transmision and the other requests like colour. First transfer 1:1 is 36-36, second transfer 48-36-26. The axle ISIS or square. More information are on www.gebhardt.cz. Colour: black, red, silver. More info on www.gebhardt.cz

Big Bang T9 Detail on chain

Very frequently discussed topic in the tandem cycling is a stiffness and resistance to torsion. Frame Big Bang R9 achieves high torsional rigidity mainly due to the tubes used for its construction. It is a material 7020T6 and oversize tube diameters. The lower and central tube having a diameter of 52 mm. At the middle of the frame tubes are specially shaped to resist high loads.

Big Bang T9 Big Bang T9