Shimano Dura Ace CS-7800 12/27 cassette. For 10-speed Shimano and SRAM drivetrains.
Four largest cogs are titanium. Claimed weight is 201 grams, so super light for a wide-range cog set. The full range can be used with short cage derailleur. Very low mileage (probably less than 2000 miles). Never ridden in the rain.
This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Cassettes, Freewheels & Cogs". The seller is "bobscritch" and is located in this country: US.
This item can be shipped to United States.