Wheels - Accessories/Bicycle Inner Tubes/Inner Tube 29 Air Chamber Plus 27.5 x 2.50" - 3.00" Removable Presta Valve 48mm - Thickness 0.8mm - Removable Presta Valve - Ideal for eBike Plus - Weight 295/- 5g Wheels - Accessories/Interior Bike/Air Tube 29 Inner Tube Plus 29 " x 2.50" - 3.00" Presta 48mm Removable valve - thickness 0.8mm - Presta removable valve - ideal for eBike Plus - weight 295/- 5g.