Profile 19mm Hop-Up American Bottom Bracket Set - Red Anodized - USA Made 170mm the Arisun XLR8 tire is

the Arisun XLR8 tire is race ready and designed to win at the BMX track

safe braking in all types of weather

DT stainless steel spokes with brass nipples (silver on silver)

These are 36 hole small flange

Profile 19mm Hop-Up American Bottom Bracket Set - Red Anodized - USA Made 170mm the Arisun XLR8 tire isFor 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: Red Manufacturer's Note: This