buitenband maxxis re fuse 700x32c 60tpi carbon fiberProduct Description Note from the Manufacturer: Maxxis strongly advises against the use of ammonia based sealant. Ammonia has been proven to attack the carcass and can weaken it by up to 30% after only a few months, depending on the amount used. Guidelines for replacing E bike components: Before you replace components on your e bike, please read through the guidelines for component replacement for CE marked e bikes pedelecs with pedal assistance.