CHAINWHEELS

????️ What it is This is a one-piece crank (OPC) system designed for small 16-inch wheel bicycles, usually kids’ bikes or very basic single-spee...

What it is This is a 28-tooth BMX freestyle front chainring (sprocket). It mounts on your crank and drives the rear wheel through a single-speed...

????️ What it is This is a 16-inch BMX/kids bike front chainring (sprocket) designed for small-frame bikes using a one-piece crank (OPC) system ...

????️ What it is This is a one-piece crank (OPC) system used on basic bicycles—mainly: Kids’ bikes (16”–20”) Entry-level BMX-style bikes...

????️ What it is (in simple terms) This is a BMX/freestyle sprocket (front chainring) designed for single-speed setups. The “disc” style means i...

????️ What it is This is a one-piece (Ashtabula-style) crankset designed for 20-inch bikes, commonly: BMX bikes Kids’ bikes Basic cr...

????️ What it is This is a 25-tooth BMX freestyle front chainring (sprocket). It mounts on your crank and works with a single-speed drivetrain, ...

????️ What it is This is a standard 20-inch BMX/kids bike one-piece (Ashtabula) crankset. It combines: Left crank arm Right crank arm ...

????️ What it is This is a 20-inch one-piece crank (OPC) system designed for small BMX and entry-level MTB-style bikes that use the narrow 43 ...