All sprockets made by REBEL GEARS LLC are guaranteed against defects in materials and workmanship. If any defects are found, credit will be issued or replacements given at our option. Rebel Gears make no other warranty of any kind, whether expressed or implied. This warranty does not cover any parts that have been altered in any manner. Buyer assumes risks for any and all damages caused to himself or third party, by virtue of failure of these parts. All Sprockets made to your spec's are considered special order and all are non returnable. If sprockets are returned without prior written authorization Rebel Gears reserves the right to dispose of your property.