Left crank Sram Rival D1 Dub 175

The SRAM Rival 12 V power sensor measures power on the left-hand side to calculate total watts, weighing just 40 grams more than the conventional crank.
Makes switching to a power sensor simple and affordable
Elegant, lightweight integrated design (just 40 g more than the standard crankset)
The DUB-PWR unit integrated into the axle measures left-leg power and calculates total watts
QUARQ's proven reliability and accuracy
Long autonomy for all-season power
Self-replaceable AAA battery
DUB crankset housing offers simplicity and durability
Waterproof (IPX7 sealing, 1 meter depth for 30 minutes