Rival AXS Power Meter Upgrade Length:175mm Shokz's signature open-ear design keeps

Shokz's signature open-ear design keeps you immersed in your workout while staying grounded in your surroundings

Super SLR dual pivot designs keeps operating friction to a minimum

Disc brake mount adaptor

Battery Type: Lithium Polymer

Halo tire clearance (700 x 45c or 650b x 2

Rival AXS Power Meter Upgrade Length:175mm Shokz's signature open-ear design keepsInvisible technology that will help you get to the finish line faster? Yes please. Our Rival power meter unit is entirely contained within the DUB spindle for effortless integration with any bike. Just install, pair, and ride. 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 lithium AAA battery DUB bottom bracket adds durability and simplicity