JB-CH507 1.teeth: 42T 44T 2.steel chain wheel for OPC 3.size:1/2"*1/8" or 1/2"*3/32"

JB-CH507

1.teeth: 42T 44T

2.steel chain wheel for OPC

3.size:1/2"×1/8" or 1/2" × 3/32"

4.color to order

5.packing to order

bicycle chain wheel