Unique Bargains Aluminum Alloy Seat Post with Scale Mark for Bicycle Silver Tone

Feature: Easy to install. Made of aluminum alloy, durable materials for long time service. Suitable for most of mountain bikes, road bikes, MTB, etc. There is a safe line mark on the seat post. Please insert at least above the minimum safety line. Installation Step: 1. Release the bolt of the old seat and unload the seat; 2. Fix the seat on the new seat; 3. Install it on your bicycle rack. Note: Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing. A saddle clamp is not included, please purchase a saddle clamp if needed.