Rival D1 Quarq Wide 1x, Power Meter Crankset, Speed: 12, Spindle: 28.99mm, 40, DUB, 175mm, Black, Road Disc

* Power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever.* DUB-PWR 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* Waterproof (IPX7 waterproof to 1 meter for 30 mins)* Lightweight (less than 40g heavier than standard crankset)* SRAM Model ID: PM-RIV-1W-D1