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SRAM
$230.00 – $300.00
Spindle-based left-side power meter that swaps into existing Rival AXS cranks with +/-3% accuracy and 400-hour AAA battery life. The cheapest factory-integrated path to power for SRAM Rival bikes.
SRAM Rival AXS Power Meter Upgrade
From $230
Quarq
$450.00 – $600.00