19mm Theory Euro BMX Bottom Bracket Set - Red 152mm and strap materials are built

and strap materials are built to last and keep rocks and debris out of your line of vision

The fine thread

while the extra-deep cable ball receptacles eliminate cable pop-out

This headset has 32mm cups (same size as Tioga BMX headsets) and the crown race is 26

and offers steady or flashing modes

19mm Theory Euro BMX Bottom Bracket Set - Red 152mm and strap materials are builtThis Theory Euro bottom bracket set is made for 19mm crank spindles (available separately) and threaded Euro bottom bracket frames. It comes with 4 bearings, aluminum cups, a tube spacer, and 4 anodized washers for increased durability. Shell: Euro Size: 19mm Color: Red Bearing seals may differ in color from the photo.