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Designed for demanding gravel riders, the SRAM Rival E1 XPLR Wide DUB Power Meter Upgrade Kit integrates a power meter directly into the axle, for a discreet, lightweight, and easy-to-install solution. It accurately measures left-side power output and reliably estimates total power in all conditions.
The integrated power meter provides accurate measurement to within ±1.5%, unaffected by temperature or humidity fluctuations. Powered by a replaceable AAA lithium battery, it offers a battery life of over 400 hours. This aluminum crank, with its Direct Mount standard, is compatible with 12- and 13-speed drivetrains and DUB Wide bottom brackets. Thanks to the 47.5 mm chainline, it is perfectly suited to modern gravel setups.
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