19mm MCS Bicycles Euro BMX Bottom Bracket Set - Red 3" It has recessed sides and

It has recessed sides and bottom section to reduce weight

The combination of both thick and thin ribs creates a mixture of comfort

Size: 24" (ISO 507mm)

5" and 650B rims

The hubs are silver anodized alloy high flange sealed bearing with jelly bean cut-outs on the flanges and 3/8 axles front & rear

19mm MCS Bicycles Euro BMX Bottom Bracket Set - Red 3" It has recessed sides andThe MCS Bicycles Euro bottom bracket (spacers and bearings) is intended for use with 19mm crank spindles (not included) and threaded Euro bottom bracket frames. It has a high quality four bearing design with aluminum cups. The cups, tube spacer, and 4 washers have an anodized finish. Shell: Euro Size: 19mm Color: Red