Brand:zhengjiu
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bike chainwheel and crank and bicycle chainwheel and crank/
High quality bicycle chainwheel&crank
material:steel,aluminium alloy,plastic cover
teeth:36T/38T/42T/46T/48T
crank:152mm/165mm/170mm
use for road bicycles

bike chainwheel and crank and bicycle chainwheel and crank/
material:steel,aluminium alloy,plastic cover
teeth:36T/38T/42T/46T/48T
crank:152mm/165mm/170mm
use for road bicycles



