Campagnolo track or bmx Sprocket 46 - made of aluminum alloy. 

Made in the Italy

B.C.D. IS 144mm and pitch is 1/2 x1/8"

New old stock

Color:  silver

This would be good for your old school  BMX bike.

These are getting very hard to find has small scratches

California residents add 7.25% sales tax.

5.00 shipping in 48 states

$14.50 shipping worldwide - Beware, Customs sometimes take over a month and all taxes, customs fees are the buyers responsibility and it cannot be marked as a gift.