1.size:2.50-18 motorcycle inner tube
2.valve:TR4 
3.weight:0.36kg
4.we produce many kinds of inner tube and tyre flap,with"Quality first,Credit upmost"
5.our products have saled to more than 50 countries and regions,enjoy the customer high praise.
6.so if you need inner tube and tyer flap,please do not hesitate to contact me,we will do our best to satisfy your required.Thank you!

the details of products as follows:

SIZES	Valve	WEIGHT(kg)	8MPA
2.25-16	TR4	0.3	$0.63
2.25-17	TR4	0.34	$0.72
2.50-17	TR4	0.36	$0.76
2.50-18	TR4	0.4	$0.82
2.75-10	TR4	0.24	$0.51
2.75-14	TR4	0.32	$0.70
2.75-16	tr4	0.38	$0.82
2.75-17	TR4	0.42	$0.84
2.75-18	TR4	0.42	$0.84
2.75-21	TR4	0.52	$1.06
3.00-8	TR4	0.25	$0.53
3.00-10	js87c	0.32	$0.76
3.00-12	TR4	0.35	$0.75
3.00-14	TR4	0.38	$0.79
3.00-16	TR4	0.41	$0.84
3.00-17	TR4	0.44	$0.85
3.00-18	TR4	0.46	$0.87
3.25-16	TR4	0.46	$0.95
3.50-8	TR87	0.33	$0.70
3.25-18	TR4	0.49	$0.99
3.50-10	TR87	0.38	$0.79
3.50-16	TR4	0.48	$0.98
3.50-17	TR4	0.49	$0.99
3.50-18	TR4	0.52	$1.02
4.00-8	js87c	0.36	$0.79
4.10-18	TR4	0.59	$1.20
110/90-16	TR4	0.65	$1.29
90/90-18	TR4	0.49	$1.00
130/90-15	TR4	0.63	$1.30
4.00-12	TR4	0.55	$1.12
4.50-12	TR4	0.6	$1.22