SRAM RIVAL AXS 1x XPLR E1 POWERMETER 172x42 DM DUB WIDE NoBB BLACK (P)Sram`s newly updated lightweight aluminum crankarms paired with a spindle based powermeter Spindle based unit measures left side power to calculate total watts X Sync wide tooth, narrow tooth chainring technology provides maximum chain control Wide chainline for compatibility with Full Mount rear derailleurs Long battery life (400+ hours) to power a season of rides Lightweight (less than 40g heavier than standard crankset) User replaceable AAA lithium
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