Packing contents Onepiece black crankarm set Wide onepiece bike cranktocrank assembly kit — 1 piece Key features and benefits Onepiece design: Simplifies installation and replacement for bicycles that use onepiece crank assemblies. Wide crank profile: Provides a broader pedal stance for improved stability and a more secure foot platform while pedaling. Exact dimensions for fit verification: Distance between crankarms 150 mm (5.905'); individual arm length 165 mm (6.496'), allowing you to confirm compatibility before . Clean black finish: Neutral appearance that integrates with most bike styles. Function and compatibility Function: Replaces or upgrades the crankarm and cranktocrank assembly on bikes designed for a onepiece crank system. Compatibility: Intended for bicycles that accept onepiece crank assemblies. Verify the 150 mm crankarmtocrankarm spacing and 165 mm arm length against your current setup to ensure proper fit. Performance and usability Provides consistent pedal platform and straightforward mechanical operation for everyday riding and maintenance. Onepiece construction reduces the number of interfaces and simplifies alignment during installation. Use scenarios : a damaged or excessively worn crankarm on a bike that uses a onepiece crank assembly. Upgrade: Switch to a wider onepiece crank to achieve a more stable pedal stance for casual commuting or recreational riding. Maintenance/assembly: Install during a basic bike rebuild or when restoring an older onepiece crank bicycle. Technical specifications Package: 1 × Onepiece black crankarm set (wide onepiece cranktocrank assembly kit) Distance between crankarms: approximately 150 mm / 5.905 inches Crank arm length: 165 mm / 6.496 inches Notes for buyers Confirm your bike uses a onepiece crank system and that the listed dimensions match your requirements before ordering.