说明

• Product Description:Model: 12ATooth pitch: 19.05mmMaterial: A3 steelSprocket Surface treatment: high-frequency quenchingTooth:10 Tooth / 11 Tooth / 12 Tooth / 13 Tooth / 14 Tooth/15 Tooth / sixteen Tooth / 17 Tooth / 18 Tooth / 19 Tooth / 20 Tooth / 21 Tooth / 22 Tooth / 23 Tooth / 24 Tooth / 25 ToothPackage Include:According on your Choose * 1Pre-purchase instructions:1.The product materials is A3 steel, the surface tooth have been high-frequency quenching treatment, no longer after blackening, such as the water could have rust, purely normal, and doesn't impression the use of.2.Due to assorted production batches, the form and length will fluctuate slightly, please prevail in kind, If you've special needs, please touch us, we will customise in line with your needs!

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