Adjustable Bike Crank Arms 89MM-175MM, Diamond Hole Design for E-Bikes
Size Options: Available in 10 lengths (89MM, 102MM, 114MM, 127MM, 140MM, 152MM, 160MM, 165MM, 170MM, 175MM). Versatile Use: One pair of crank arms is suitable for electric bicycles. High-Quality Bicycle Crank Arms.