The black cap is a valve core remover tool. Unscrew this tool from the top of the cap, and use it to remove the valve core from inside the tire valve stem.
SLIME SELF HEALING BIKE INNER TUBES 26" 27.5" 650B 29ER 700C SEALANT 8OZ
Orange Seal - Endurance Tubeless Tyre Sealant - - 8oz - Refill Bottle - MTB Road
Slime 10015 Bike Tube Puncture Repair Sealant. Prevent and Repair. Suitable for all Bicycles, E-Scooters, Prams and other Vehicles fitted with Inner Tubes. Non-Toxic. 237 mL (8oz) bottle
2x Slime 8oz Bicycle Cycle Bike Motorbike Motorcycle Tyre Tube Repair Sealant 2!