Rainbow Products brings you the full line of Silentsync ® timing belts and sprockets from Continental Contitech.Continental is the manufacturer and Rainbow Precision Products is the distributor. Rainbow Precision Products is an independent distributor providing reliable, personal customer service and fast shipping from our many stocking locations throughout the United States. Whether you’re a Fortune 500 company or a one-man shop, we can get you the product on time at the right price.