CRANK ARM ASSEMBLY RED E1 DUB (BB/CHAINRINGS NOT INCLUDED)PRODUCT DESCRIPTION DESCRIPTION Were not ones to rest on our laurels. So when we found ways to make our lightest and stiffest crankarms even lighter, we went for it. A new process drops further grams from our hollow carbon arms, and to stay on top of current fit trends weve added our first carbon 160mm crankarm length option. FEATURES 29 g lighter than previous generation 8 bolt interface compatible with power and non power AXS spiders and integrated