Tangent QR Seatpost Clamp

Tangent QR Seatpost Clamp. Tangent makes Higher end Quality BMX Parts. This clamp is Quick Release and available in several colors including hard to find purple. Most Mini, Junior and Old School BMX Frames take a 25.4mm clamp. 25.4mm is equal to 1 inch. Larger Pro size Aluminum frames like a Pro XL for example, take the 31.8mm clamp, aka 1 1/4 inch.