JB-CH502 1.teeth: 32T 36T 40T 42T 44T 2.single steel chainwheel 3.size:1/2"-1/8" or 1/2"-3/32"

JB-CH502

1.teeth:  32T  36T  40T  42T  44T

2.single steel chainwheel

3.size:1/2"×1/8" or 1/2"×3/32"

4.material:steel

5.color and packing to order

bicycle chain wheel