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Technical Manual Gear Hub Systems 2010 · Copyright © SRAM 2009, LLC
SRAM
®
S7
MAINTENANCE
2
SRAM S7 mounting aid
Part No. 65 0324 103 000
1
SERVICE
To maintain optimal performance and
durability of your compoments, periodic
maintenance is requiered. We recommend
that you have your components serviced
every 2 year or 5000 km by a qualified
bicycle mechanic.
REMOVE WHEEL
• Place shifter in gear position “1“.
• Loosen the knurled screw (44, Fig. 1)
and pull the Clickbox off the axle.
• Disengage the red location sleeve (43)
and pull it off.
• Remove shift rod (42) and shift tube (41)
out of the axle bore.
• Remove wheel.
DISMANTLING HUB
see Fig. 1
• Remove circlip (39), sprocket (38) and
dust cap (37) as normal.
• Clamp hub by the axle between alu-
minum jaws with sprocket side facing
downwards.
• Unscrew both locknuts (1).
• While turning clockwise, remove lever
cone (2) with friction spring (3) and ball
retainer (4).
• Take out 3 brake segments (5).
• Withdraw hub sleeve (6) upwards.
• Remove brake cone (7).
• Take out retaining washer (8) and thrust
washer (9).
• Remove planetary gear carrier (10),
washer (11) compression spring (12) and
the three sun gears (13, 14, 15).
• Clamp other axle end.
• Unscrew fixed cone (36).
• Remove driver (35), compression spring
(33) with cover (32), large compression
spring (31), ball retainer (34), gear ring (30)
and coupling gear (29).
• Compress spring (26) and remove thrust
block (28).
• Remove cover (27), spring (26) and
cover (25).
• Dismantle retaining washer (24).
• Remove thrust washer (23) and plastic
profile washer (22).
• Unscrew grub screw (17) (Caution: It
is subject to spring pressure) – and
dismantle the long compression spring
(18) guide pin (19), thrust block (20) and
the short compression spring (21).
1
2
3
4
5
6
7
8
9
16
17
18
21
22
23
24
25
26
15
12
13
14
10
11
31
32
33
42
43
40
41
39
38
37
36
35
34
27
28
29
30
19
20
X
44
3
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