The Sturmey Archer S2C Coaster Brake Hub is a high-quality internal gear hub designed for cyclists who want a reliable and efficient braking system. This hub features a 2-speed internal gear system that allows you to shift between gears without the need for shifters or cables. This makes it an ideal choice for cyclists who want a low-maintenance and hassle-free riding experience. The coaster brake on this hub is EN approved, which means it meets the highest safety standards. This brake system is easy to use and provides excellent stopping power, making it a great choice for urban cyclists who need to navigate busy streets and traffic. The Sturmey Archer S2C Coaster Brake Hub has a classic 2-speed gear ratio of 138%, with gear 1 providing a direct drive and gear 2 providing a 38% increase in speed. The hub shell is made from 6061 aluminium, which is lightweight and durable. With 36 spoke holes and an axis length of 116mm, this hub is compatible with a wide range of bikes and wheel sizes.