Upgrade your bike with the 2 PCS FMFXTR Bicycle Seat Tube Reducer Sleeve Conversion Sleeve. Crafted from durable aluminum alloy, this conversion sleeve is designed to reduce the size of your seat tube, providing a convenient and practical solution for your biking needs.

• Material: Strong and rust-resistant aluminum alloy
• Easy Installation: Simple to install for immediate use
• Versatile Specs: Available in various specifications to suit different needs: 27.2mm to 25.4mm, 28.6mm to 25.4mm, 28.6mm to 27.2mm, 30.4mm to 27.2mm, 30.8mm to 27.2mm, 31.6mm to 27.2mm, 33.9mm to 27.2mm, 33.9mm to 31.6mm
• Size: Approximately 6cm per piece
• Weight: Varies by size, ranging from 11g to 69g per piece