Unique Bargains Universal with Scale Mark Aluminum Alloy Bicycle Seat Post Black Black 9.84"x1.13"

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: The size is measured by hand, so it may have a little 1-2 mm difference. Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing. Specification: Material: Aluminum Alloy; Color: Black; Package Included: 1 Pc Bicycle Seat Post.