Bicycle Components & Accessories
BMX Sprocket Aluminum 1/2"*1/8"*25T/28T Bicycle Chainring Bike Chainwheel
BMX Sprocket Aluminum 1/2"*1/8"*25T/28T Bicycle Chainring Bike Chainwheel
https://www.bizrate.co.uk/bicyclecomponents_accessories/bmx-sprocket-aluminum-1-2-1-8-25t-28t-bicycle-oid26088865776.html