All-in-One Bike Chain Breaker and Top Nut Remover Multifunctional and efficient: This tool combines a bicycle chain breaker and a top nut remover to provide an efficient solution for quick bike repairs, whether you ride mountain bikes or road bikes. Construction: Made from high-quality carbon steel, this chain breaker set ensures long-lasting durability and reliable performance for all your bicycle maintenance needs. Compact and portable: With dimensions of 9.8 cm x 4.1 cm (3.86 in x 1.61 in), its compact size makes it easy to take along for on-the-go repairs during camping trips or travel. Design: Its intuitive design simplifies the process of chain breaking and removing the top nut, making maintenance faster and easier. Compatibility: Suitable for mountain bikes and road bikes. Performance: Delivers a straightforward, reliable solution for common repair tasks, helping you save time and avoid trips to the shop. Use scenarios: - Roadside or trailside repairs: quickly break a chain and remove the top nut to access components on either mountain bikes or road bikes during a ride. - Camping trips or travel: the compact tool travels easily in a bag or kit for on-the-go maintenance away from home. - Home workshop or garage: efficient, reliable maintenance tasks in a dedicated space for routine bike servicing.