SRAM Quarq DUB Crank Arms Only (v2) BIKESPORTZ These chainrings also help you

These chainrings also help you to recover after knee injuries as pedaling becomes smoother and less exhausting

chase down the breaks and bring you back to the bunch after a nasty crash

sprinters and time trialists

Optimizing input to maximize output

Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain

SRAM Quarq DUB Crank Arms Only (v2) BIKESPORTZ These chainrings also help youStronger, stiffer and lighter than ever that's exactly what you can expect with the SRAM Quarq DUB Crank Arms (v2). Paired with a DZero or DFour DUB power meter spider and a DUB bottom bracket, these crank arms build a power meter that can handle the toughest of conditions. Specifications Only compatible with Quarq DZero DUB and DFour DUB power meter spiders Requires a SRAM DUB bottom bracket BB Compatibility: All SRAM Road DUB BBs Chainring Size: No