Beefy Aluminum Bike Seatpost Reducer Shim, 100mm Length, Adapts 30.9mm Seatposts To 31.6mm Tubes, CNC Machined 6061 Alloy Sleeve For MTB, Mountain, Road And City Bikes
✔️ Adapts 30.9mm seatposts to 31.6mm tubes, 100mm length, CNC machined
This seatpost reducer shim is CNC machined from 6061 aerospace alloy and is used to adapt a smaller seatpost to a larger seat tube on mountain, road, and city bikes. It provides a secure, corrosion-resistant fit that protects both frame and post.
✅ Adapts 30.9 mm seatposts to 31.6 mm tubes
✅ 100 mm length for precise saddle height adjustment
✅ CNC machined from 6061 aerospace alloy for strength and light weight
✅ Black color, corrosion resistant, suitable for MTB, road and city bikes
💡 What is a seatpost shim used for in bike fit and compatibility? This handy accessory lets you adapt smaller seatposts to larger tubes and fine-tune saddle height for a better ride.
- Adapts different seatpost diameters to fit various frames
- CNC machined from 6061 aluminum for durability
- Works with MTB, road, and city bikes