Origin 8 Clampdown QR Seatpost Clamp – 28.6mm – Black

The Origin 8 Clampdown QR Seatpost Clamp is a quick-release seat clamp designed for riders who want easy saddle height adjustments without tools. It’s built with smooth lever action and a frame-friendly design, making it a solid choice for everyday bikes and service-friendly setups.

This clamp is commonly used on steel frames with 25.4mm seatposts where frequent fit adjustments or shared use are expected.

Key Features
• AL6061-T6 alloy construction
• Quick-release lever with stainless steel bushing for smooth action
• Adjustment knob for fine-tuning clamp tension
• Rounded edges and floating bolt/ovalized hole design
• Designed to reduce point loading on frames and seatposts
• 16mm clamp height
• Black finish

Compatibility & Use Notes
• Clamp size: 28.6mm
• Intended for frames using a 25.4mm seatpost (commonly steel frames)
• Designed for round seat tubes
• Quick-release design—verify adequate clamping force before riding
• Other sizes are available for different frame and seatpost combinations

Service / Ownership Context
Quick-release seat clamps should be set snug enough to prevent seatpost movement without over-tightening the lever. Riders should periodically check clamp tension, especially after the first few rides or if the bike is regularly adjusted or transported.

Fit & Use Signals
• Good fit for steel frames using a 25.4mm seatpost
• Good fit for commuters or shared-use bikes
• Good fit if you want tool-free saddle adjustment
• Not a fit for frames requiring larger clamp diameters
• Not ideal if you prefer a fixed, bolt-on seatpost clamp