Fly F-16 MX / BMX Race Pants - Sz 48 waist - Black/White 9.25" It has 34mm cups and

It has 34mm cups and a 30mm crown race

1/2" x 1/8"

Tire Compatibility: Clincher w/ Tube

This sprocket has a  15/16" (24mm) bore and includes adaptors for 19mm and 22mm setups

Axle: 3/8" nutted

Fly F-16 MX / BMX Race Pants - Sz 48 waist - Black/White 9.25" It has 34mm cups andThe F 16 line combines everything you need to look and be ready for the ride. Clean, sleek and relaxed is whats on display with a material construction thats lightweight and ready for your fun. Wear it and be inspired with a best value basic thats anything but. Mesh comfort liner keeps you cool and comfortable Multi Directional stretch ribbing for flexibility Low profile stretch leg cuffs 600D polyester for strength and outstanding durability YKK main