SRAM DualDrive 24, Техническое руководство, Страница: 7 / 76

5
DUALDRIVE
TECHNICAL DATA / ASSEMBLY REQUIREMENTS
Technical Manual 2006
C A B L E H O U S I N G
• Use only new high quality cable and
com-pressionless cable housing with
end caps.
• When choosing cable housing lengths,
be sure to allow enough housing for an
extreme turn of the handlebars in both
directions.
• Note also, that different stem lengths
and cable stop positions effects cable
housing length.
D R O P O U T
Only flat and no off-set versions.
Dropout thickness: 7 – 8 mm.
Vertical or horizontal dropout slot.
Dropouts must be parallel.
Dropout dimensions: see Fig. 2 and 3.
C R A N K S E T
Bicycle without chain case:
Use a chain guard disc (at the outer
surface of chainring, material no resin)
Use only standard chainring version (non-
shifting teeth).
Chainline
DualDrive 27 / 24: 45 mm
Ask for recommended DualDrive-cranks at:
Truvativ
http://www.truvativ.com
C H A I N G U I D E F O R K
It prevents chain from jumping off front
chainring, is bolted inside the chain
case (1,
Fig. 4) .
H A N D L E B A R
Diameter: 22.3 mm.
Minimum length of straight area for shifter:
150 mm.
Check the compatibility of intended
handlebars and brake levers.
L
28
30
X
6 –10
7.5 –10
A
25˚– 30˚
25˚– 30˚
R1
8.5 max
8.5 max
R2
11.5 –13.5
11.5 –13.5
Cable routing
DualDrive 27 / DualDrive 24
Hub cable Along chainstay only
Derailleur cable Along chainstay only
Cable attachement
see Fig. 1
Cable housing Attachement points Cable stops
Hub Continuous 1 / 2 / 3 / 4 (see Fig. 1) —
Derailleur Continuous 1 / 2 / 3 / 4 / 5 (see Fig. 1) —
Open — 1 / 5 (Fig. 1)
C A B L E H O U S I N G F O R D E R A I L L E U R
1
2
3
4
5
Length X min. 90 mm.
Cable stop below or beside chainstay.
X (mm)
90 100 110 120 130
L (mm)
200
180
160
140
120
100
X
Rear cable stop position Rear housing length
Example: Distance X = 100 mm cable
housing length L = 140 – 165 mm.
➔
3
1
2
4
1
ø max. 220 mm
32
60
25
45
15
14
13
R2
R1
A
X
L
90°