GP-S3

FEATURES:

·Stainless steel core,8 gears

·Pom and iron

Hardware system;

·Diameter tube: 36/38

·Shade up to weight: 10/20 kg

·Chain size: 4.5*6

·Reduction ratio: 1:1.7

·Size: 8*6cm

·Weight: 330g

·Package: 50/box


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