Road bike 12 Speed Cassette 11-32T Gravel bike UltraLight K7 Bicycle Freewheel. Fit for Road bike, Gravel bike. MATERIAL: HIGH STRENGTH STEEL& 7075 T6 ALLOY. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Cassettes, Freewheels & Cogs".The seller is "robot7700" and is located in this country: CN. This item can be shipped worldwide.