SRAM's most advanced aluminum cranks are now also available with a power meter. The SRAM Rival AXS XPLR power meter is elegantly concealed within the DUB spindle, making it almost invisible. This power meter boasts a very long battery life of +/- 400 hours, and can then be easily replaced with a new AAA battery. This power meter is lighter (only 40g heavier than standard cranks) and also IPX7 waterproof (up to 30min in 1 meter of water). Excludes bottom bracket. 48/35 tooth chainring Crank length 175mm New aluminum design, even lighter than the previous generation Power meter hidden in the left crank arm IPX7 waterproof, up to 1m of water for 30min. Excludes bottom bracket The SRAM Rival Power Meter E1 crankset is SRAM's most advanced aluminum crankset, now equipped with highly accessible power measurement. It provides accurate data integrated into a light, stiff, and strong crankset, featuring the advanced X-Range shifting system. This ensures a wide range, smaller steps between gears, and a more efficient gear ratio. Power measurement in the spindle measures power on the left side and thus calculates total wattage. Long battery life (over 400 hours) – enough for a full cycling season User-replaceable AAA lithium battery DUB bottom bracket for extra durability and easy installation Waterproof (IPX7 – up to 1 meter deep for 30 minutes) Lightweight (less than 40 grams heavier than a standard crankset) Enables crisp and accurate shifting Integrated one-piece chainrings for optimal stiffness and performance Sram Article number: 737915 EAN code: 710845916250 Supplier number: 00.6118.745.011 Retail packaging: Yes