Bike Seat Post Clamp Aluminum Alloy Quick Release Collar For 28.6mm, 31.8mm, And 34.9mm - Hollow, Ultra Lightweight About 39g, Anodized In Black, Blue, Gold, Red, Silver For A Colorful, Ride-Ready, Sturdy Ride

Aluminum Quick-Release Seat Post Clamp for 28.6/31.8/34.9mm
✔️ Hollow, ultra-light (~39g); fits 28.6/31.8/34.9mm frames

This lightweight aluminum alloy quick-release seat post clamp secures the seatpost and makes height adjustments fast on bikes. It’s available in anodized Black, Blue, Gold, Red, and Silver with a colorfast surface that resists corrosion. Clamp sizes correspond to frame seat tube O.D.: 28.6 clamp for 27.8-28.8 mm, 31.8 clamp for 30.2-32.1 mm, 34.9 clamp for 33.5-35.2 mm. Typically used with 25.4/27.2/31.8 seat posts, but measure your frame's actual seat tube O.D.

✅ Material: Aluminum alloy
✅ Weight: ~39g (34.9 clamp)
✅ Clamp sizes: 28.6/31.8/34.9 mm with corresponding frame O.D. ranges
✅ Color options: Black, Blue, Gold, Red, Silver
✅ Finish: Colorfast and anti-corrosion

💡 What is a lightweight aluminum quick-release bike seat post clamp used for and how does it fit different seat post diameters?

It’s handy for quick height adjustments on a range of frame sizes.

- Works with clamps sized for 28.6, 31.8, and 34.9 mm seat posts - Fits seat tube O.D. ranges 27.8-28.8 mm, 30.2-32.1 mm, 33.5-35.2 mm - Keeps weight down while adding color and fast-release action - No tools needed for height changes