The Suntour E-Bike HESC EBCW21-ATS-42-PBDG Crankset with Sensor is a premium aluminium crankset designed for E-Bikes. With a length of 175mm and a BSA bottom bracket shell type, this set includes a single chainring and features precise measurements for optimal performance. Made in Japan, this crankset is compatible with Suntour brand components and offers a sleek design that enhances the overall look of your bike.