The PROWHEEL Ebike Crank Arm is available in various lengths, including 140MM, 152MM, 160MM, 165MM, and 170MM, making it compatible with a range of bike styles. With a focus on quality and durability, this one pair crankarm from PROWHEEL is designed to enhance your cycling experience. The square hole design ensures a secure fit, while the brand's reputation for excellence guarantees reliable performance. Whether you are a seasoned cyclist or a beginner looking to upgrade your bike, the PROWHEEL Ebike Crank Arm is a dependable choice for improving your pedal power.