Profile 19mm Hop-Up American Bottom Bracket Set - Aqua Anodized - USA Made 32H This sprocket does not require

This sprocket does not require a sprocket bolt

plus a lower stack height

You may want to polish them with a soft cotton rag and an aluminum polish to achieve mirror-like shine

This cog will fit many BMX cassette hubs like the Shimano DX

*The finish on these is economy production grade chrome

Profile 19mm Hop-Up American Bottom Bracket Set - Aqua Anodized - USA Made 32H This sprocket does not requireFor frames with American BB shells, this Profile Hop Up Kit offers a finished look while providing cups, sealed bearings, a tube spacer, cone washers, and flat washers. The spacers and cups have an anodized finish. This bottom bracket will fit many popular 19mm cranks such as Profile Race, Redline Flight, Fit, DK Social and most any other 19mm crank. Formerly known as the American Bottom Bracket Kit with Hop Up. Color: Aqua Manufacturer's Note: This