Box Two Chainring-4 Bolt pro-bmx-race-wheels This alloy is designed to

This alloy is designed to be super tough and lightweight and if it is good enough for airplanes

5oz (with stem-lock & top cap)

Mini/Jr/Expert bikes

Great for the Beginning rider

Box Two Chainring-4 Bolt pro-bmx-race-wheels This alloy is designed toThe Box Two Chainring 4 Bolt at J&R Bicycles is designed for lightweight durability to deliver high powered BMX speed and control smoothly and efficiently. It is built from anodized 6061 T6 aluminum alloy that has been optimized for stiffness and features precision cutouts for even more weight savings. The slick anodized black finish is detailed with laser etched graphics for some subtle style. The Box Two Chainring is compatible with 104 BCD 4 bolt