Speedline Parts | Quick Release Pro BMX Seatpost Clamp 31.9mm Colors:Blue Wider flared Seat masts for

Wider flared Seat masts for better BB support and power transfer resulting in faster launching

Since they are Aluminum we offer anodized colors and chrome to match your bike components or theme

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

Available in 20" and 24" sizes and in both 3/8" and 20mm dropouts

Anodized in Multiple Color Options

Speedline Parts | Quick Release Pro BMX Seatpost Clamp 31.9mm Colors:Blue Wider flared Seat masts forThe 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" )