Shimano ST-EF50-7R Manuale - Pagina 2
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• Parts are not guaranteed against natural wear or deterioration resulting from normal
use.
• For maximum performance we highly recommend Shimano lubricants and
maintenance products.
• For any questions regarding methods of installation, adjustment, maintenance or
operation, please contact a professional bicycle dealer.
In order to realize the best performance, we recommend that the
following combination be used.
Series
Rapidfire Plus
Outer casing
Rear derailleur
Type
Freehub
Gears
Cassette sprocket
Chain
Bottom bracket guide
Specifications
Rear Derailleur
Model number
Type
Total capacity
Largest sprocket
Smallest sprocket
Front chainwheel tooth difference
Applicable front chainwheel
(chainring tooth configuration)
Cassette sprocket tooth combination
Model number
Sprockets
CS-HG50-8I
8
CS-HG40-8I
8
CS-HG50-I
7
CS-HG30-I
7
Gear shifting operation
Both lever (A) and lever (B) always return to the initial position when they are
released after shifting. When operating one of the levers, always be sure to turn
the crank arm at the same time.
To shift from a small sprocket to a larger
sprocket (Lever A)
To shift one step only, press lever (A) to the (1)
position. To shift two steps at one time, press to
the (2) position.
To shift from a large sprocket to a smaller
sprocket (Lever B)
Press lever (B) once to shift one step from a
larger to a smaller sprocket.
Altus
ST-EF50-8R
ST-EF50-7R
SIS
RD-CT95
Smart Cage
FH-RM30-8
FH-RM30-7
8
CS-HG50-8I
CS-HG50-I
CS-HG40-8I
CS-HG30-I
CN-HG50 / CN-HG40
SM-SP18 / SM-BT18
RD-CT95
Smart Cage
43T
34T
11T
20T
FC-TY40 (42-34-24T)
FC-TX71 (48-38-28T)
Group name
Tooth combination
an
11, 13, 15, 17, 20, 23, 26, 30T
ao
11, 13, 15, 17, 20, 23, 26, 34T
at
00,
11, 13, 15, 18, 22, 26, 34T
ac
00,
11, 13, 15, 18, 21, 24, 28T
Lever (A) initial
position
1
Lever (B)
7
2