The ServoCity #25 Pitch Acetal Hub-Mount Sprocket (14mm Bore, 22 Tooth) is engineered to attach to any goBILDA® hub featuring a 16mm pattern. This sprocket is ideal for compact builds, offering excellent performance with #25 pitch chains, a standard in robotics and DIY projects. Its acetal plastic construction ensures durability and compatibility with various assembly components, making it a versatile choice for projects not limited to a single brand.