Specifications:

Zhengxin 12*2.125 curved mouth (12*1/2 21/4) inner tube

Zhengxin 14*2.125 curved inner tube

Zhengxin 16*2.125 curved inner tube

Zhengxin 18*2.125 curved inner tube

Zhengxin 20*2.125 curved inner tube

Zhengxin 22*2.125 straight inner tube

Zhengxin 14*2.50 curved inner tube

Zhengxin 16*2.50 curved inner tube

Zhengxin 18*2.50 curved inner tube

Zhengxin 2.75-10 curved inner tube

Zhengxin 14*3.0 curved inner tube

Zhengxin 16*3.0 curved inner tube

Zhengxin 14*1.75 curved mouth (lithium battery) inner tube

Zhengxin 16*1.75 curved mouth (lithium battery) inner tube

Zhengxin 18*1.75 curved mouth (lithium battery) inner tube

Zhengxin 20*1.75 straight mouth (lithium battery) inner tube

Zhengxin 22*1.75 straight inner tube

Zhengxin 24*1.75 straight inner tube

Zhengxin boutique 3.00-8 curved inner tube

Zhengxin boutique 3.50/4.00-8 curved inner tube

Zhengxin boutique 3.00-10 curved inner tube

Zhengxin boutique 3.50-10 curved inner tube

Zhengxin boutique 4.00-10 curved inner tube

Zhengxin boutique 4.50-10 straight inner tube

Zhengxin boutique 3.00-12 curved inner tube

Zhengxin boutique 3.50/3.75-12 curved inner tube

Zhengxin boutique 3.50/3.75-12 straight inner tube

Zhengxin boutique 4.00-12 straight inner tube

Zhengxin boutique 4.50-12 straight inner tube

Zhengxin boutique 5.00-12 straight inner tube

Zhengxin boutique 2.50/2.75-14 straight inner tube

Zhengxin boutique 2.50/2.75-14 curved inner tube

Zhengxin boutique 3.25/3.50-16 inner tube

Zhengxin boutique 4.00-16(110/90-16) inner tube

Zhengxin boutique 2.25/2.50-17 inner tube

Zhengxin boutique 2.50-17 inner tube

Zhengxin boutique 2.50/2.75-17 inner tube

Zhengxin boutique 2.50/2.75-18 inner tube

Zhengxin boutique 2.75/3.00-18 inner tube

Zhengxin boutique 3.25/3.50-18 inner tube

Zhengxin boutique 2.75/3.00-21 inner tube