BMX Seat Clamps

The seat clamp secures the seatpost in the frame's seat tube. In BMX racing where seat height is slammed to the minimum legal position for racing and raised for warm-down and recovery, a quick-release clamp makes the transition take seconds instead of requiring tools at trackside.

Avian Aviara Quick Release clamp (our owned brand) — CNC machined 6061 alloy, available in 25.4mm and 31.8mm to match your frame's seat tube outer diameter, four colours. Stay Strong Race DVSN Chevron QR clamp for riders running a Stay Strong frame. Both use a lever mechanism — no Allen key required.

Size refers to the outer diameter of the frame's seat tube, not the seatpost diameter. Check your frame spec. The most common sizes are 25.4mm (most youth frames) and 31.8mm (most Pro frames). Getting this wrong means the clamp either won't fit or won't tighten correctly.

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