SRAM RED E1 DUB Crank Arm Assembly

SRAM RED E1 DUB Crank Arm Assembly

When SRAM found ways to make their lightest and stiffest crankarms even lighter, they went for it with the SRAM RED E1 DUB Crank Arm Assembly. A new process from SRAM drops further grams from their hollow carbon arms, making the RED E1 DUB crankarms 29 grams lighter than the previous generation.