SRAM XX Eagle T-Type AXS Wide Left Crank Arm with Power Meter Spindle – 170mm 12-Speed DUB Spindle Interface Carbon Black D1. The XX Eagle T-Type AXS Wide left crankarm with Power Meter spindle utilizes SRAMs World stage proven XX crank arm with a subtly integrated power meter to record and deliver live accurate power readings to your head unit. We achieve this by utilizing what SRAM calls DUB-PWR a unique design that elegantly houses Quarqs reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts its subtle lightweight compatible with any chainring setup and boasts unbeatable battery life. It is also compatible with the Flight Attendant system allowing for total connectivity between all AXS enabled components. No-compromise no-fuss data delivery giving you an edge over the competition.

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