Wiki Bicycle » Shimano » CS-7900
Information from: www.shimano.com.
Dura-Ace Cassette. Featuring four titanium cogs, the new Dura-Ace 7900 cogset has further improved shifting quality by creating a more rigid aluminum carrier unit along with a re-engineered tooth profile. Shimano also successfully reduced the weight of the rear wheel assembly by 10 grams.
Features
NOTE: CS-7900 11-27 and 11-28 require the use of RD-7900 or RD-6700
Weight: 163.2g (11-23T)
Four titanium sprockets | Lightweight
Rigid aluminum carrier | Lightweight & rigid
8 cassette combinations | To accommodate more cyclists
Revised gear sprocket design | Precise & reliable shifting
Specifications
Titanium Sprockets: 19-21-24-27
Sprocket Sizes: 12-13-14-15-16-17-19-21-24-27
Option 8: 12-27T
Titanium Sprockets: 19-21-23-25
Sprocket Sizes: 12-13-14-15-16-17-19-21-23-25
Option 7: 12-25T
Titanium Sprockets: 18-19-21-23
Sprocket Sizes: 12-13-14-15-16-17-18-19-21-23
Option 6: 12-23T
Titanium Sprockets: 19-21-24-28
Sprocket Sizes: 11-12-13-14-15-17-19-21-24-28
Option 5: 11-28T
Titanium Sprockets: 19-21-24-27
Sprocket Sizes: 11-12-13-14-15-17-19-21-24-27
Option 4: 11-27T
Titanium Sprockets: 19-21-23-25
Sprocket Sizes: 11-12-13-14-15-17-19-21-23-25
Option 3: 11-25T
Titanium Sprockets: 17-19-21-23
Sprocket Sizes: 11-12-13-14-15-16-17-19-21-23
Option 2: 11-23T
Titanium Sprockets: 17-18-19-21
Sprocket Sizes: 11-12-13-14-15-16-17-18-19-21
Option 1: 11-21T
Cassette Options: 8
Average Weight: 163g (11-23)
Chain Compatibility: Super Narrow HG for 10-speed
Sprocket Finish: nickel plated & titanium
Sprocket Material: steel/titanium
Number of Sprockets: 10-speed
Alloy Sprocket Carrier: yes
Series: DURA-ACE
Model Number: CS-7900