##Topeak Dual-Sided Bottle Cage The Topeak Dual-Sided Bottle Cage offers riders either a left or right entry bottle cage thanks to the handy fact that the cage can be flipped around to suit your preference. The cage and the base plate fit easily to either set of your frame bottle cage bolts and can be easily flipped for left or right-hand access. The lightweight alloy construction of the cage maintains a firm hold on your bottle while also keeping the cage's weight to just 45 grams.