AEST AEST-14 Bicycle 11T Aluminum Alloy Wheels Rear Derailleur Pulley - Titanium Color
Color custom10000 Model AEST-14 Quantity 1 Piece Material Aluminum alloy Best Use Cycling Type Drivetrain Systems Other Features It is used to transmit bike chain and shift gears. Packing List 1 x Rear derailleur pulley