- Compatibility : Compatible with 420 chains and 17mm/20mm toothed discs, offering a versatile choice of 10T-19T sizes to suit your needs. - Design Features : Available in models with a fixed plate lock for secure operation. Some variants come without screw holes, giving you flexibility depending on your installation requirements. - Dimensions : Compact size with a diameter of 1.7cm and a thickness of 0.7cm, making it easy to integrate into various applications without taking up unnecessary space. - Installation Size : Designed for a straightforward installation process with an outline dimension of 6.5cm x 6.5cm, ensuring compatibility across different setups. - Practical Applications : - Ideal for customizing your bicycle’s drivetrain, ensuring smooth power transfer and improved overall performance. - Perfect for small engine applications where durability and efficiency are critical, such as go-karts or lawn equipment. - Useful in machinery setups where specific gear ratios are needed, enhancing the functionality of your projects. This product enhances reliability and performance while meeting diverse needs, whether for recreational biking or industrial machinery. Its thoughtful design and precise dimensions ensure a snug fit and enhanced usability.