Zero / Zero Uno
REV 03/2017
›› Dedacciai was established in 1992 with the aim of manufacturing state of the art steel tubing for bicycle frames.
Zero / Zero Uno 2
Today’s result of a more than quarter century of development and sport success is summarized in the current catalogue of high performance steel tubing. Dedacciai frame tubing are available in two classes: •
ZERO class tubing, state of the art light tubing, for racing and high performances frames,
•
ZERO UNO class tubing, designed and engineered for commuter and long range users.
All our steel tubing are seamless, manufactured in our plant in Italy, using en-10305-1 25CrMo4 steel made in europe. To obtain the best results from the use of this class of products, please look carefully at the drawings, and read the advices at the end of this catalogue.
3
85
30
0.65
0.65
Ø28.6
0.45
ZERO CLASS TOP TUBING Zero class top tubing
415
30 40
120
20
0.6
0.6
Ø31.7
0.45
600
400
20 40
120
20
400
20 40
600
cod : MTO317A502
Ø31.7
State Weight Use HTS 230 g Road - Cyclocross - MTB painted side don't cut headtube side
cod : MTO317A50240
0.6
0.45
0.6
120
20
400
State Weight Use HTS 230 g Road - Cyclocross - MTB
painted side don't cut headtube side
0.6
0.45
480
40
cod : MTO350K601
Ø35
State Weight HTS 256 g
80
Use Road
painted side don't cut headtube side
cod : MTO350K60111
31
37
37
0.6
0.45
600
31
State Weight Use HTS 230 g Road - Cyclocross - MTB
cod : MTO317A50230
Ø31.7
20 40
600
Ø35
29.4 painted side don't cut headtube side
36.0
27.0
Use Road
painted side don't cut headtube side
34.5
34.5
29.4
480
40 600
Zero / Zero Uno 4
State Weight HTS 196 g
0.6
0.6
0.45
600
cod : MTO286A303
Ø28.6
80 painted side don't cut headtube side
State Weight HTS 256 g
Use Road
ZERO CLASS DOWN TUBING
100
30
450
30
State Weight HTS 268 g
40
30
490
0.65
0.45
0.65
60
30
State Weight HTS 285 g
40
0.65
0.45
cod : MTQ350A705
Ø35
State Weight HTS 285 g
41.5 30
490
30
40
0.65
0.45
0.65
cod : MTQ350A70242 State Weight HTS 285 g
39
30
60
30
490
30
31
40
0.7
0.5
0.7
80
40
390
80
State Weight HTS 373 g
0.7
43.5
40
390
80
80
670
80
40
390 670
State Weight Use HTS 373 g Road - Cyclocross - MTB
0.7
painted side don't cut headtube side
0.5
0.7
32
Ø38
80
cod : MTQ380A805 State Weight Use HTS 373 g Road - Cyclocross - MTB
33.0
43.0
Use Road - Cyclocross - MTB
cod : MTQ380A80141
32
80
cod : MTQ380A801
painted side don't cut headtube side
0.5
0.7
Ø38
80
670
45
Use Road
painted side don't cut headtube side
650
Ø38
Use Road
painted side don't cut headtube side
650
40
Use Road
painted side don't cut headtube side
0.65 27.5
cod : MTQ350A702
Ø35
650
60
Use Road
painted side don't cut headtube side
650
Ø35
cod : MTQ317A503
Ø31.7
0.7
0.7
Ø31.7
0.45
Zero class down tubing
80 painted side don't cut headtube side
5
ZERO CLASS DOWN TUBING
80
80
340
0.7
0.5
Ø44
0.7
Zero class down tubing
80
Ø44
cod : MTQ440K902 State Weight HTS 390 g
80
Use Road - Cyclocross - MTB
660
0.7
0.5
0.7
49.5
36.5 52.5
80
80
340 660
Zero / Zero Uno 6
cod : MTQ440K901
80
80
38.5
State Weight HTS 390 g
Use Road - Cyclocross - MTB
ZERO CLASS SEAT TUBING 0.6
Ø27.4
Ø28.6
0.8
Zero class seat tubing 60
Ø28.6
cod : MTV286A304 State Weight HTS 297 g
150
620
Use Road
non tagliare don't cut
0.8
Ø31.7 Ø27.3
Ø31.7
0.6
Aluminium sleeve to be glued
60
80
Ø31.7
cod : MTV317B303 State Weight BKS 346 g
150
Use Road
non tagliare don't cut
620
100
0.85
0.5
Ø35
Ø31.7
Ø35
Aluminium sleeve to be glued
50 620
Ø35
cod : MTV350A601 State Weight BKS 365 g
50
Use Road
non tagliare don't cut
7
0.55
ZERO CLASS CHAIN STAY Zero class chain stay cod : MPO222A303
18 25.5
Ø12.5 270
SIDE VIEW
0.55
cod : MPO222A102
13 29.2
270
SIDE VIEW
0.55
24.9
SIDE VIEW
19.0
26.7
0.9
16.2
0.9
0.6
16.2
120
Use Road Disc Brake
18.0
26.0
0.9
28.7
0.6
28.7
13.8
40
40.0
350
cod : MPO222B104
TOP VIEW
26.7
25.8
13.8
SIDE VIEW
State Weight DSR 187 g
16.2
40.0
16.2
0.9
TOP VIEW
25.8
420
115
Use Road
24.0
19.5
cod : MPO222A101 State Weight HTS 126 g
24.9
Ø12.5
Use Road
19.0
425
95
State Weight HTS 126 g
430
Ø12.5
270.0
Use Road
430
Ø12.5
Ø12.5
State Weight HTS 126 g
SIDE VIEW
120
cod : MPO222B106 State Weight DSR 187 g
440
Use MTB
TOP VIEW
cod : MPO240A203
16 30
0.7
0.5
15°
Ø12.5
270
40 410
Zero / Zero Uno 8
80
SIDE VIEW
State Weight HTS 154 g
Use Road
ZERO CLASS SEAT STAY
Zero class seat stay
cod : MPV160B201
Ø16
0.5
Ø10.5
State Weight DSR 104 g
300
Use Road
550.0
cod : MPV160B202
Ø10.8
0.5
Ø10.5 300.0
State Weight DSR 93 g
140.0
Use Road
500.0
cod : MPV160B203
Ø10.8
0.5
Ø10.5 300.0
State Weight DSR 102 g
140.0 550.0
cod : MPV160B205
Ø16
0.5
Ø12.5
Use Road
State Weight DSR 105 g
160.0
Use Road
560.0
cod : MPV180A501
Ø18
0.5
Ø12.5
State Weight DSR 116 g
250 560.0
240
110
cod : MPV180A502
Ø14
0.5
Ø12.5
Use Road
State Weight DSR 110 g
30
Use Road
560.0
0.5
18.
17
550
SIDE VIEW 19.5
12.5
0
cod : MPV180A505 State Weight DSR 116 g
Use Road
9
ZERO CLASS SEAT STAY Zero class seat stay 23 14
Ø12
SIDE VIEW
cod : MPV180A508 0.7
50.0 50.0
State Weight DSR 172 g
Ø12
23
Ø14
Use Road
TOP VIEW
14 250.0
50.0 50.0
100.0 580.0
23 14
Ø12
SIDE VIEW
50.0 50.0 0.7
State Weight DSR 172 g
360
23
14 20°
Ø14
cod : MPV180A507 Use Road - MTB
TOP VIEW
Ø12
bend center
265.0
23 14
.0 2 80
155 ° R80.0
SIDE VIEW
cod : MPV180A506 State Weight DSR 172 g
23
0.7
Ø1
14 bend center
TOP VIEW
Ø14 0 90.
265.0
0.55
bend center
Ø12.5 220 550.0
Zero / Zero Uno 10
cod : MPV200A701
14.5 24.5
Ø12
Use Road - MTB
SIDE VIEW
State Weight DSR 145 g
Use Road
ZERO UNO CLASS TOP TUBING
80
0.8
Ø25.4
0.6
0.8
Zero Uno class top tubing
60
320
60
Ø25.4
cod : MTO254C102 State Weight BKS 242 g
80
Use Road
100
30
0.75
Ø28.6
0.45
0.75
600
400
Ø28.6
cod : MTO286B301 State Weight BKS 247 g
30 40
Use Road
600
80
0.8
0.6
Ø31.7
0.8
painted side don't cut headtube side
60
320
60
Ø31.7
cod : MTO317C501 State Weight Use Road - Cyclocross - MTB BKS 338 g
80
cod : MTO317C50140 34.5
34.5
0.8
0.6
0.8
600
29.4
80
60
320
60
80
29.4
State Weight Use BKS 338 g Road - Cyclocross - MTB
70
60
340
0.8
0.6
Ø35
0.8
600
60
70
Ø35
cod : MTO350B703 State Weight BKS 365 g
Use Cyclocross - MTB
600
11
ZERO UNO CLASS DOWN TUBING
90
60
0.8
0.5
Ø28.6
0.8
Zero Uno class down tubing
380
60
cod : MTQ286B301
Ø28.6
State Weight BKS 290 g
60
Use Road
650
0.8
0.5
Ø31.7
0.8
painted side don't cut headtube side
90
60
380
60
State Weight BKS 340 g
60
110
60.0
0.8
340
60
Use State Weight BKS 402 g Road - Cyclocross - MTB
80
80
390
40
State Weight BKS 418 g
60
680
170
390 740
Zero / Zero Uno 12
0.9
0.5
80
Use Road - Cyclocross - MTB
painted side don't cut headtube side
0.8
Ø38
cod : MTQ380B802
Ø38
0.9
0.5
painted side don't cut headtube side
0.8
130
cod : MTQ350B703
Ø35
650
Ø38
Use Road
painted side don't cut headtube side
0.6
0.8
650
Ø35
cod : MTQ317B501
Ø31.7
40
Ø38
cod : MTQ380B803 State Weight BKS 462 g
60 painted side don't cut headtube side
Use MTB 29"
ZERO UNO CLASS SEAT TUBING
Ø27.4
0.6
Ø28.6
0.8
Zero Uno class seat tubing
60
Ø28.6
State Weight BKS 312 g
150
650
100
25
cod : MTV286B310
0.8
Ø28.6
State Weight BKS 333 g
220
Use Road - Cyclocross - MTB
0.6
0.8
630
1.2
Ø27.4
30
285
non tagliare don't cut
Ø29.6
Use Road
non tagliare don't cut
0.6
1.1
Ø27.4
Ø29.6
cod : MTV286B301
250
25
145
20
cod : MTV286B311
28.6
State Weight BKS 393 g
180
Use Road Low Geometry
80
25
20
145
30
220
Use Cyclocross - MTB
240
35
240
Ø31.7
cod : MTV317B505 State Weight Use BKS 384 g Road - Cyclocross - MTB
620
70
Ø31.7
0.6
1.2
Ø29.3
cod : MTV317B304 State Weight BKS 397 g
260
0.9
0.6
Ø29.3
1.2
35
non tagliare don't cut
non tagliare don't cut
20
Ø31.7
630
non tagliare don't cut
70
0.9
0.6
0.9
100
Ø31.7
State Weight Use BKS 258 g Road - Cyclocross - MTB
180
Ø31.7 Ø27.3
Ø32.3
80
Ø31.7
cod : MTV286C306
28.6
450
non tagliare don't cut
Aluminium sleeve to be glued
0.8
0.6
1.2
Ø29.6
Ø27.4
620
35
170
35
170
cod : MTV317B506 State Weight BKS 290 g
Use Road - Cyclocross - MTB
480
13
ZERO UNO CLASS CHAIN STAY Zero Uno class chain stay 0.9
0.6
cod : MPO222B101
16.6 26
0.9
Ø12.5
26
16.6
115
40
40
SIDE VIEW
120
State Weight DSR 187 g
Use Road Disc Brake
270 440.0
0.9
0.7
26
17 26
17 Ø12.5
cod : MPO222B102
Ø22.2
SIDE VIEW 60
270
140
State Weight DSR 150 g
Use Road
420
cod : MPO240B201
16
0.8
SIDE VIEW
30
Ø12.5
0.6
30
16
50
270
80
State Weight DSR 170 g
Use Road
410
cod : MPO240C202
16 30
1.0
Ø12.5
0.7
30
16
100
270
SIDE VIEW
180
State Weight DSR 212 g
Use Road
450
16 30
1.0
Ø12.5
0.7
30
16
100
270 Ø12.5
16
335
5°
R220
Zero / Zero Uno
12°
R220
cod : MPO240C2024 State Weight DSR 212 g
30
180
14
SIDE VIEW
180
TOP VIEW
Use Cyclocross
ZERO Zero Uno class chainUNO stayCLASS CHAIN STAY 16 30
1.0
Ø12.5
0.7
30
16
100
270
180
180
30
360 24
R220
cod : MPO240C2022 State Weight DSR 212 g
Use Gravel - MTB 29"
TOP VIEW
16
Ø12.5
SIDE VIEW
6°
R220
16
1.0
30
Ø12.5
0.7
30
16
100
270
SIDE VIEW
180
State Weight DSR 212 g
Ø12.5
27 °
16
30
360 R220
cod : MPO240C2023 Use Fat Bike
TOP VIEW
15
ZERO UNO CLASS SEAT STAY Zero Uno class seat stay cod : MPV160B210 Ø16
0.7
Ø12.5
State Weight DSR 144 g
160.0
Use Road
560.0
0.7
Ø12.5
205.0
cod : MPV160B207
Ø16
335.0
TOP VIEW
8°
12°
R150
State Weight DSR 144 g
Use Cyclocross
R230
0.7
Ø12.5
220.0
cod : MPV160B208 R150 21°
370.0
Ø16
TOP VIEW
State Weight DSR 144 g
Use Gravel - MTB 29"
8°
R220
cod : MPV160D201
Ø16
1
Ø10.5
State Weight DSR 202 g
300
Use Road
550.0
1
Ø10.5
cod : MPV160D202
370 35°
R150.0
Ø1 6
TOP VIEW
State Weight DSR 202 g
Use Fat Bike
cod : MPV190B604 0.6
Ø12.5
270 560.0
Zero / Zero Uno 16
Ø19
State Weight DSR 152 g
Use Road
ZERO UNO CLASS SEAT STAY Zero Uno class seat stay cod : MPV190B601 Ø19
0.7
Ø12.5
State Weight DSR 169 g
270
Use Road
560.0
cod : MPV190B602
0.7
Ø12.5
205.0
Ø19
335.0
TOP VIEW
8°
12°
R150
State Weight DSR 169 g
Use Cyclocross
R230
0.7
Ø12.5
220.0
cod : MPV190B6022 21°
R150
370.0
Ø19 .0
TOP VIEW
State Weight DSR 169 g
Use Gravel - MTB 29"
8°
R220
17
ZERO UNO CLASS HEAD TUBING Zero Uno class head tubing cod : MTS31710200Z State Lenght Weight 200 DSR 150 g
Ø31.7 1
Ø31.7
Use Road
cod : MTS31710650Z State Lenght Weight DSR 650 489 g
L
Use Road
cod : MTS32513200Z State Lenght Weight DSR 200 198 g
Ø32.5
1.3
Ø32.5
Use Road - Off Road
cod : MTS32513650Z State Lenght Weight DSR 650 646 g
L
Use Road - Off Road
cod : MTS36513200Z Ø36.5
1.3
Ø36.5
State Lenght Weight 200 DSR 224 g
Use Road - Off Road
cod : MTS36513650Z State Lenght Weight 650 DSR 729 g
L
Use Road - Off Road
cod : MTS38010200Z
Ø42
45°
State Lenght Weight 200 DSR 181 g
L
Ø45
1
Ø38
Ø42
Ø45
10.6
14.5
Use Road - Off Road
cod : MTS38010650Z
cups code : MCL000B101 weight 46 g
State Lenght Weight 650 DSR 588 g
Use Road - Off Road
cod : MTS46010200Z Ø46
State Lenght Weight 200 DSR 245 g
1
Ø46
Use Road - Off Road
cod : MTS46010650Z State Lenght Weight 245 g 650 DSR
L
Alloy cup remove anodization before gluing
Alloy cup remove anodization before gluing 2
3 5.5
60 L
Zero / Zero Uno 18
20
7.3 9.8
Ø56
Ø52
45°
Ø47
Ø56
1
45°
Ø45
Ø37
Ø42
Ø45
6
Use Road - Off Road
cod : MTS56250 (cups included) State Lenght Weight DSR 260 360 g
Use Road - Off Road
cod : MTS56250WOC (cups not included) State Lenght Weight DSR 260 328 g
Use Road - Off Road
ZERO UNO CLASS STEERER AND BLADES Zero Uno class steerer and blades cod : MCN254180B State Lenght Weight 180 BKS 200 g
Ø25.4
Ø22.3
2.3
1.55
Ø25.4
Use Road
cod : MCN254200B 60
35
THREAT
45 non tagliare don't cut
L
State Lenght Weight BKS 225 g 200
Use Road
cod : MCN254220B State Lenght Weight BKS 248 g 220
Use Road
cod : MCN254240B State Lenght Weight BKS 277 g 240
Use Road
cod : MCN254260B State Lenght Weight BKS 299 g 260
Use Road
cod : MCN254280B State Lenght Weight BKS 312 g 280
Use Road
cod : MCN254300B State Lenght Weight BKS 325 g 300
Use Road
cod : MCN254319B State Lenght Weight BKS 320 360 g Ø25.4
cod : MCN254320B (Threatless)
Ø22.3
2.3
1.55
Ø25.4
35
Use Road
non tagliare don't cut
0.7
1
120
State Weight BKS 360 g
45
320
Ø24
Use Road
Ø12.5
40
cod : MFT240B105 State Weight DSR 208 g
270
Use Road - Track
Ø12.5
120
40
cod : MFT240B103 State Weight DSR 208 g
27.8
1
19.4
0.7
410
270
Use Road
410
5 .4 Ø2 1 .2
0.7
305
55 °
40
Ø14
cod : MFU254B201 State Weight DSR 302 g
Use Road
235
R80
19
Zero / Zero Uno 20
››
Chemical composition of EN-10305-1 25CrMo4 steel % MIn/MAX • • • • • • • • •
C Si Mn P S Cr Mo ni Al
0.22/0.29 <0.40 0.50/0.80 <0.035 <0.035 0.90/1.10 0.15/0.25 <0.01 <0.01
Typical Mechanical proprieties of steel tubing, related to delivery state: State HTS (Heat treated, oil quenched and stress released) Tensile strength
MIn. 1150 n/mm2 MAX. 1350 n/mm2
elongation AP5%
MIn. 5% MAX. 8%
State BKS (Drawn and stress released) Tensile strength
MIn. 850 n/mm2 MAX. 1100 n/mm2
elongation AP5%
MIn. 6 % MAX. 10 %
State DSR (Annealed, cold worked and stress released) Tensile strength
MIn. 450 n/mm2 MAX. 600 n/mm2
elongation AP5%
MIn. 20 % MAX. 35 %
Structural analysis data: Density Modulus of elasticity Yield strength
7.85 g/cm3 210 GPa 580 MPa
21
››
Assembling of the tubing Geometrical features All the Dedacciai tubes and tube sets are designed for assembling frames based on current UCI geometry. In the choice of tubing for manufacturing a frames, please keep into account the following safety rules: •
Verify that for the selected geometry you will save a butt length longer than the thermal affected zone, and in any case longer that the tube diameter.
•
If the butt length of down and top tubing butts are not symmetrical, pay attention in the tube orientation : at the head tube joint the tube must be only mitred, and not cut.
•
Depending on geometry, it is always better to keep top and down tubing spaced on head tube. over imposed tubing geometries are less safe.
•
road recommended tubing can’t be used for offroad frames.
•
Fixing point and welding cordons closure points can give origin to fatigue cracks, realize them in the less stressed areas of the joints.
•
It is recommended to completely weld the seat tube on bottom bracket, and then all other tubing.
•
Top tube and seat stays must be approximately aligned at the seat tube joint. If you want to weld the seat stays below the top tube center line, please use the “low geometry (LG)” seat tube
Zero / Zero Uno 22
Welding and post-welding advices •
Before welding the tubing, carefully clean them and remove dirty and grease inside and outside of the tube in the area to be jointed. The surfaces must be smooth and without notches.After mechanical cleaning, use acetone or MeK.Do not use chlorinated solvents.
•
The suggested welding wire composition for TIG is C - 0.1% Si 0.5% Mn 1.0 % Cr 1.2 % Mo 0.5 % (i.e. CASToTIG 680 / AWS A5 er70S-2 or similar) Welding wire diameter: from 1.0 to 2.0 mm.
•
For brazing choose low melting temperature alloy, if possible below 530 °C.
•
Also the welding wire surface state is very important: stock it in clean areas, clean it before use and handle tubing and welding wire with gloves.
•
Do not grind and/or polish the welding cordons. The risk of reducing the tube wall thickness is too high!
•
Anticorrosion treatment is needed on the finished frame, cataphoresis is the most effective in long term protection
•
As all the hi-resistance (> 1000 Mpa) steel, tubing in state HTS are sensitive to hydrogen embrittlement. Pay attention in avoid exposure to acid or hydrogen environments during frame fabrication. They can cause immediate and spontaneous breaks on tubing. In this case please contact our technical department.
23
Dedacciai Srl - Via Leonardo da Vinci, 19 - 26010 Campagnola Cremasca (CR) - Italy - Ph. +39 0373 74 499 - www.dedacciai.com