◎ mobile large small size bike bicycle slack adjustment length adjustment motor-bike 420 428 520 525 530
◎ easily chain cut . possibility .
◎ sprocket . modification . chain is replaced time ..
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specification .
. correspondence size .420 / 428 / 520 / 525 / 530
. size . approximately 12×6.5cm
. weight . approximately 300g
※ manufacture time . somewhat scratch . dirty is .
please acknowledge .( use . difference ... is not .
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free shipping .※ business holiday . self introduction column . chronicle .. . .
