If you wanna try a little upgrade inner tube, Maxxis is your great choice!!!
 
	
0.80 mm thick walls, puncture resistant to avoid oftenly flat tire.
	
Presta valves, fit on variety fixie/ road/ moutain bike.
	
Presta valve with RVC is Removable Valve Core
	
Really lightweight design
 
 
Brand: Maxxis
Color:  Black
Valve Length: 60mm
Fit: 700*23/32C
Spec: Open Tubular
 
 

Made in Taiwan.