Lightweight Aluminum quick release seat clamp from Jet BMX. This seat clamp offers great clamping power whilst also allowing for quick adjustment for all your post race cool down needs! Available in a range of sizes to fit your BMX race frame. Note the sizes reference the inner diameter of the seat clamp. ###section### Product Specs SIZE: Multiple Options WEIGHT: TBC Size: 25.4mm, 31.8mm, 28.6mm