Hey bike enthusiasts! Ever run into that annoying situation where your seatpost doesn't quite fit your bike frame? This aluminum alloy shim is the perfect solution. It's basically a simple adapter that lets you use a smaller diameter seatpost in a larger frame tube. The 100mm length gives you plenty of adjustment room, and it's made from lightweight aluminum alloy that won't rust or add much weight to your setup. You'll need to measure your existing seatpost's outer diameter and your frame's inner diameter to pick the right size - they offer various options from 22.2mm up to 34.9mm. Installation is super straightforward - no special tools needed, just slide it into your frame tube and then insert your seatpost. It works with most bike types including mountain bikes, road bikes, BMX, and fixed gear bikes. The material is durable enough to handle regular adjustments and riding vibrations without wearing out. It's one of those simple bike maintenance parts that can save you from having to buy a whole new seatpost or worse - a new frame! Whether you're upgrading components, building a custom bike, or just need to make what you have work together, this little shim does the job perfectly. Much cheaper than replacing expensive components!
Free 30-day returns 
Free 30-day returns
