Yepar Specifications: 48TBED Double Cover x 170MM Handle Square Hole, 9/16" Pedal Axle with Chain Cover Introduction: Compatible with 6/7 Speed Post Changes, Installation Recommended: Suitable for Trendy Lithium Batteries/ Bicycle Type Lithium Batteries/ Bicycle Type Batteries Color: Black Material: Aluminum Alloy Package Content: 1 x Crankset Package Content is above and other products are not included here. Note: The color and size of the actual item may vary slightly from the color and size on the website due to lighting and display conditions. The margin of error for the measurement is 0.4 - 1.2 inches (1