This aluminum alloy bike crankset provides a sturdy, lightweight upgrade for your bicycle. It includes a crankset and a matching crank arm, both finished in black for a clean look and reliable performance. Key specifications - Material: Aluminum Alloy - Net Weight: 1078 g - Product Name: Bike Crankset - Color: Black - Package Content: 1 x Bike Crankset, 1 x Crank Arm - Dimension: 25 x 18.5 x 5 cm (L x W x H); Shell Color: Black - Fit for Pedal Spindle: 13 x 13 mm - Crank Arm Hole Center Distance: 175 mm (6.9 in) Why this crankset may be right for you - Durable and lightweight construction from aluminum alloy for better power transfer and ride feel. - Black finish provides a versatile look that suits most bike colors and styles. - Includes both the crankset and one crank arm for convenient replacement. Use scenarios - Replacing a worn or damaged crankset on a daily rider or weekend cyclist to restore performance. - Upgrading an older or spare bike to improve stiffness and efficiency without a full component overhaul. - Keeping as a ready replacement part for maintenance or a custom build that requires a 175 mm crank arm length. Compatibility and fit - Fits pedal spindles with 13 x 13 mm dimensions, and the crank arm center distance is 175 mm, suitable for standard configurations that use these specifications.