GP-S2

FEATURES:


·Stainless steel core,7 gears 


·Pom and iron

Hardware system:


·Diameter tube:28/36/38 


·Shade up to weight:5/10kg 


·Chain size:4.5*6 


·Reduction ratio:1:1.6 


·Size:7*5cm 


·Weight:190g 


·Package:100/box


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