VXM Ultralight Quick Release Seat Post Clamp 31.8/34.9mm

Upgrade your ride with the VXM Ultralight Quick Release Seat Post Clamp, precision-engineered from aerospace-grade 7075 aluminum alloy for maximum strength at minimal weight — just 39–41g. Designed for effortless saddle height adjustments without tools, the quick-release lever lets you make on-the-go changes in seconds.

Available in two sizes: 31.8mm (fits 27.2/28.6mm seatposts) and 34.9mm (fits 30.4–31.6mm seatposts), this clamp is compatible with mountain bikes, road bikes, folding bikes, scooters, and select electric bikes. As long as your seatpost diameter matches, installation is straightforward and secure.

The vacuum-plated finish ensures colors stay vivid and resistant to fading, available in red, green, blue, black, purple, and orange to match your build perfectly. CNC-machined for a precise fit, this clamp eliminates slippage and wobble for a confident, stable ride every time.

Whether you’re a casual commuter or an avid trail rider, this seat post clamp delivers professional-level performance at an accessible price. Each package includes one bicycle seat post clamp ready to install.