Tubes come preinstalled with Slime Tube Sealant They install like a regular tube and repeatedly seal tire punctures Guaranteed to perform for up to 2 years
- 29" x 1.85 – 2.20" - Pack of 2
- Self-sealing bike tube prevents flat tires
- Comes pre-installed with slime tube sealant
- Install like regular tube & seal tire punctures for up to 2 years (as per manufacturer)
- Non-toxic and non-flammable