The E*thirteen TRS Plus Crank in black is a high-quality component for cyclists looking to upgrade their bike. With a length of 170mm and a diameter of 73mm, this crank arm is designed to offer durability and performance. The sleek black colour adds a stylish touch to any bike, while the E*thirteen brand ensures reliability and quality. Ideal for riders looking to enhance their cycling experience with a performance-enhancing crank arm.