sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 31.6mm to 33.9mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike

• Size - Diameter Variation Range: 31.6 mm / 33.9 mm, Length: 60 mm / 2.36 inch, Inner diameter: 31.6 mm / 1.24 inch.
• Material - The bicycle seat post adapter conversion sleeve seat tube is made of aluminum alloy, which is rust-proof and durable, and has high strength and hardness, which can withstand greater pressure and impact, ensuring the stability and safety of the reducing sleeve during riding.
• Usage - The bicycle seat post adapter adopts tool-free installation, only need to open the seat post clamp, insert the adapter and install the seat post, adjust the seat post insertion depth and lock the seat post clamp.(The package does not include the seat post clamp, only suitable for bicycle seat posts with seat post clamps)
• Application - The bike seat post is suitable for various types of bicycles such as mountain bikes, road bikes, city bikes, MTB bikes, leisure bikes, etc., meeting the comfort and durability requirements of daily riding, and also providing sufficient strength and rigidity to ensure safety and reliability when riding on rugged mountain roads.
• Notice - Please measure the outer diameter of your seat post and the inner diameter of the seat tube hole of the frame to select the appropriate seat tube adapter. For example, if the seat post size is 27.2mm and the inner diameter of the tube is 30.8mm, please select a 27.2 to 30.0mm bicycle adapter.

The bicycle seat post adapter conversion sleeve seat tube is made of aluminum alloy, which is rust-proof and durable, and has high strength and hardness, which can withstand greater pressure and impact, ensuring the stability and safety of the reducing sleeve during riding. The bicycle seat post adapter adopts tool-free installation, only need to open the seat post clamp, insert the adapter and install the seat post, adjust the seat post insertion depth and lock the seat post clamp.(The package does not include the seat post clamp, only suitable for bicycle seat posts with seat post clamps) The bike seat post is suitable for various types of bicycles such as mountain bikes, road bikes, city bikes, MTB bikes, leisure bikes, etc., meeting the comfort and durability requirements of daily riding, and also providing sufficient strength and rigidity to ensure safety and reliability when riding on rugged mountain roads. Notice: Please measure the outer diameter of your seat post and the inner diameter of the seat tube hole of the frame to select the appropriate seat tube adapter. For example, if the seat post size is 27.2 mm and the inner diameter of the tube is 30.8 mm, please select a 27.2 to 30.0 mm bicycle adapter.