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Home > Products > CNC Milling > Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles
  • Precision CNC Machined Aluminum Seatpost Clamps for Bicycles

Precision CNC Machined Aluminum Seatpost Clamps for Bicycles

    Min. Order: 1 Bag/Bags
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Basic Info

Model No.: SP-087

Brand: SP-MFG

Product Description

CNC Machined Aluminum Bicycle Seatpost Clamps

Bicycle Seatpost Clamp – Precision Aluminum Alloy 6061 with Anodized Finish

This high-performance bicycle seatpost clamp is crafted from premium aluminum alloy 6061, known for its excellent strength-to-weight ratio and corrosion resistance. The compact circular design features a sleek, uniform blue-green metallic finish achieved through advanced anodization, offering both aesthetic appeal and long-term durability.

The outer ring boasts a smooth cylindrical surface, while the inner structure incorporates a precision-engineered longitudinal slot that forms an elastic opening and closing mechanism. This innovative design enables rapid, tool-free installation and removal of the seat post—perfect for quick adjustments and on-the-go maintenance.

Small protrusions at the lower ends of both sides enhance grip and stability during tightening, ensuring secure fastening even under dynamic riding conditions. Lightweight yet robust, this clamp combines elegance with functionality, making it ideal for adjusting various seat tube diameters across different bicycles.

Manufacturing Process: Precision CNC Machining

1
Material Preparation: High-quality aluminum alloy 6061 rods are selected as raw material. Using a CNC lathe, the blanks are cut to exact dimensions with a tolerance of ±0.1 mm, ensuring dimensional accuracy that meets engineering drawings precisely.
2
High-Precision CNC Milling: After securing the blank in the CNC machining center, a large-diameter flat-end mill performs rough milling to form the annular contour and base mounting seat. A medium-diameter cutter then refines the inner wall, outer circle, and opening leg, leaving controlled machining allowances for final precision.
3
Fine Machining & Quality Control: A small-diameter tool is used for ultra-precise milling of the opening space, mounting holes, and edge radii. Critical tolerances are strictly maintained: roundness and coaxiality within ±0.01 mm. This ensures seamless, smooth operation of the closure mechanism. Post-machining, parts undergo ultrasonic cleaning and manual deburring to remove all debris and sharp edges. The entire process leverages optimized aluminum-specific milling techniques combined with high-pressure cooling to minimize thermal deformation.
4
Anodizing Surface Treatment: The components are chemically degreased and acid-washed before being immersed in a sulfuric acid electrolyte bath to form a dense, protective oxide layer. The finish is then dyed according to the customer’s specified blue-green hue. This process preserves the natural metallic luster while significantly enhancing resistance to corrosion, wear, and environmental degradation.

Dongguan Shengpeng Precision Technology Co., Ltd. specializes in high-precision CNC machining services, delivering reliable milling solutions for diverse industries. We support full customization in dimensions, materials, and surface treatments to meet specific requirements across bicycle accessories, outdoor gear, precision tools, and more.

From concept to delivery, we provide a comprehensive one-stop service—ensuring quality, consistency, and timely production.

Product Categories : CNC Milling

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