SRAM Rival AXS XLPR E1 Power Meter Spindle Crankset - 68-73mm and BB86-92 - 28.99mm DUB - SRAM Direct Mount - 170mm - Grey Gift Card Using a Vernier Caliper is

Using a Vernier Caliper is the recommended way to make this measurement

Box claim this chain is compatible with most 11-speed narrow/wide chainrings and recommend Wolftooth Components

820-00-024 820-00-024-KIT QR - 15x110mm Boost 2021+ 34

Nice and Reliable:

Cons: Handle may prove a little slippery

SRAM Rival AXS XLPR E1 Power Meter Spindle Crankset - 68-73mm and BB86-92 - 28.99mm DUB - SRAM Direct Mount - 170mm - Grey Gift Card Using a Vernier Caliper isWe cut grams out of our aluminium crankarms, but didn't cut corners on power measurement. Our light and accurate spindle based power unit nestles into our striking redesigned arms to give you the data you need, and our newest direct mount chainrings are light and stiff while looking good. Features Spindle based unit measures left side power to calculate total watts Long battery life (400+ hours) to power a season of rides User replaceable AAA lithium