bike storage systems for home use-CyclingDeal Single Speed Bike Bicycle Freewheel - Compatible with Shimano Type Freewheel Cassette

Size 16 Teeth for 1/2"x1/8"
Qty:
Shimano Type Freewheel
Easy to install and remove using Shimano Freewheel Type Freewheel Tool
Thread size: 34mm
Fit Chain Size: Choices: 1/2"x3/32" or 1/2" x 1/8" or teeth: Choices: 16, 17 or 18 Freewheel
Made in Taiwan
Warranty: One year