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Product description
DURA-ACE CS-7900
Shifting has been even further improved by creating an even more rigid (and lighter) aluminum carrier unit along with re-engineered teeth profile. Cassette
design is lighter as Shimano has developed a super lightweight and rigid aluminum cassette sprocket carrier. The largest four cogs are titanium and weight
is reduced by 10 grams. Available combinations will be: 11-21T, 11-23T, 11-25T, 11-27T, 11-28T, 12-23T, 12-25T, 12-27T.
Titanium, alloy carrier mounted large sprockets
9-speed freehub compatible
Use with Super Narrow Chain for 10-speed (CN-7801 or CN-7900)
Combinations: (see Drop Down)
11-12-13-14-15-16-17-18-19-21T (7800 or 7900 Rear Derailleur Compatible)'
11-12-13-14-15-16-17-19-21-23T (7800 or 7900 Rear Derailleur Compatible)
12-13-14-15-16-17-18-19-20-21T (7800 or 7900 Rear Derailleur Compatible)
12-13-14-15-16-17-18-19-21-23T (7800 or 7900 Rear Derailleur Compatible)
12-13-14-15-16-17-19-21-23-25T (Must use with RD-7900 Rear Derailleur)
12-13-14-15-16-17-19-21-24-27T (Must use with RD-7900 Rear Derailleur)
Shifting has been even further improved by creating an even more rigid (and lighter) aluminum carrier unit along with re-engineered teeth profile. Cassette
design is lighter as Shimano has developed a super lightweight and rigid aluminum cassette sprocket carrier. The largest four cogs are titanium and weight
is reduced by 10 grams. Available combinations will be: 11-21T, 11-23T, 11-25T, 11-27T, 11-28T, 12-23T, 12-25T, 12-27T.
Titanium, alloy carrier mounted large sprockets
9-speed freehub compatible
Use with Super Narrow Chain for 10-speed (CN-7801 or CN-7900)
Combinations: (see Drop Down)
11-12-13-14-15-16-17-18-19-21T (7800 or 7900 Rear Derailleur Compatible)'
11-12-13-14-15-16-17-19-21-23T (7800 or 7900 Rear Derailleur Compatible)
12-13-14-15-16-17-18-19-20-21T (7800 or 7900 Rear Derailleur Compatible)
12-13-14-15-16-17-18-19-21-23T (7800 or 7900 Rear Derailleur Compatible)
12-13-14-15-16-17-19-21-23-25T (Must use with RD-7900 Rear Derailleur)
12-13-14-15-16-17-19-21-24-27T (Must use with RD-7900 Rear Derailleur)
