AltaLine BMX Sprocket Adapter – 24mm To 19mm – Steel, Black

Heads up BMX and fixed gear folks—this AltaLine sprocket adapter lets you run chainrings with larger holes (24mm) on 19mm spindles.

So if you've got cranks with a 19mm spindle but wanna use a sprocket meant for 24mm, this is your solution.

It's brand new, made from steel, black in color, and comes as one piece.

Manufacturer is F&R Cycle Inc., and it's compatible with BMX bikes, single-speed, fixed gear, road, and track bikes.

Simple, sturdy, and does exactly what it says.

No more hunting for the perfect sprocket—just adapt what you've got.

Easy install, solid hold.

AltaLine knows their stuff.