Apex D1 Power Meter Assembly, Power Meter Crankset, Speed: 12, Spindle: 28.99mm, DUB, 170mm, Black, Road Disc

* DUB-PWR spindle-based unit measures left side power to calculate total watts* Proven Quarq reliability and accuracy* Long battery life (400+ hours) to power a season of rides* User replaceable AAA lithium battery* DUB bottom bracket adds durability and simplicity* Waterproof (IPX7 waterproof to 1 meter for 30 minutes)* Lightweight (less than 40g heavier than standard crankset)* SRAM Model ID: PM-APX-ASSY-D1