Speedline Parts | Quick Release Pro BMX Seatpost Clamp 31.9mm Colors:Blue It was developed to be

It was developed to be the Ultimate BMX Race frame

All seat masts from the Micro to the Pro XXXL are of a new forming tool

Removable Pins

Multiple Color Options in Anodized

You will see that all seatmasts from the Micro to the Pro XXXL are of a new forming tool

Speedline Parts | Quick Release Pro BMX Seatpost Clamp 31.9mm Colors:Blue It was developed to beThe ultra light Speedline Quick Release clamp features an alloy lever to make raising and lowering your saddle easy. The Speedline Quick Release Clamp is available in a wide selection of colors to match your preferred style. This is the Pro variant designed for Pro sized frames. Pro Size 31. 9mm (1 1 4") Cro mo Pro Frame Size 28. 6mm ( 1 1 8" )