The MucOff B.A.M! Instant Puncture Repair 125ml is a quick and efficient solution for bicycle puncture repair. This product swiftly inflates and seals punctures up to 4mm by injecting a combination of latex foam and air directly into the tire or tube. Ideal for emergencies, it can be easily attached to a bike frame with the Muc-Off B.A.M Utility Belt (available separately) or carried in a ride pack. It is compatible with road, CX/gravel, and MTB wheels, and works with most tubeless sealants. Seals punctures up to 4mm in size Suitable for road, CX/gravel, and MTB wheels Designed to fit Presta valves Inflates a 29" MTB tire and a 700c road tire in under a minute Free from ammonia Works with most tubeless sealants