You should check the tire on your motorcycle,and choose the same size,such as 3.00-18,if you don’t care the pattern,you can choose anyone of the size 3.00-18.

You can choose the relevant model instead.For example, if your size is 3.00-21, you can choose 80/100-21 to replace.If you wan to know which size can replce yours, please send your questions to motorcycletyre@hotmail.com,our professional team will reply you ASAP.

Metric size: for example 110/90-16,which means,section width:110 mm, sidewall is 90% of section width(99 mm), rim is 16 inches. Inch size: for example 3.00-18,which means,section width:3 inches(76.2 mm), sidewall is 100% of section width(76.2 mm),rim is 18 inches.

Usually, motorcycle tire has three different ply ratings.which are 4PR,6PR,and 8PR. Different PR means different load capacity and pressure. 4PR means standard type,6PR menas enhance type,8PR menas heavy duty type.

Natural rubber and butyl rubber is two differnt materials,so the easiest way is smelling. you can recgnize them eaily.

Acctuallyl, which type of the valve to use is consider about the convenient.Some sizes are small rim,and it’s not convenient to inflate the pressure,so design the valve to curve(TR87). But if large rim,then use stright valve(TR4) is convenient.