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Shimano Dura-Ace 10-Speed CS-7800 12/23, 12/25, 12/27 Cassette
$180.99

2005 Shimano Dura-Ace 10-Speed CS-7800 12/23, 12/25, 12/27 Cassette

The bottom 4 cogs on the new Dura-Ace 10-Speed cassette are made from titanium -- unlike the 2 (or sometimes 3, depending on ratio) you got in the 9-speed era.  These Ti cogs now get an improved surface treatment to give them a 30% increase in wear.  They are compatible with all 8 and 9-speed Shimano hubs.  These bigger ratios cost a few dollars more than the 11/21 and 11/23 because their low cogs require the use of a bit more titanium in the production process.  Comes with a lockring.

weight: 180.0g
 
 
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