ITEM NAME:Bolany Road Bike 11 Speed 11-28T Freewheel Bicycle Cassette Flywheel Sprock R7Y3 Bolany Road Bike 11 Speed 11-28T Freewheel Bicycle Cassette Flywheel Sprock R7Y3 Components:Freewheel Flywheel Adjustable Gear Number:10-speed Freewheel Speed:11 Gear Teeth:28T Colour:Black Material:aluminum alloy Size:11.4*11.4*5cm Package Contents: 1*Bike Sprockets
