19mm Theory Euro BMX Bottom Bracket Set - Silver Gum The best-selling model for over

The best-selling model for over 100 years

The rim is an aluminum single wall that has 32 holes and a machined sidewall

This 20" rear wheel features a 36-hole double wall 36mm rim and a 9T cassette with a 14mm axle and 5 sealed bearings

Diameter: 30mm OD

Sturmey-Archer S2C Internally Geared Hub with Coaster Brake

19mm Theory Euro BMX Bottom Bracket Set - Silver Gum The best-selling model for overThis 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: Silver Bearing seals may differ in color from the photo.