SUZHOU POLESTAR METAL PRODUCTS CO., LTD
                                                                                                           
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Extreme Durability Stainless Steel 316 CNC Machined Internal Steering Stop Lugs

Price Negotiable
Price: According to the detailed drawing
MOQ: 333pcs
Delivery Time: 3-20days
Brand: Polestar
Product Description

Extreme DurabilityStainless Steel 316  CNC Machined Internal Steering Stop Lugs


Product Overview:

Our CNC-machined internal steering stop lugs are engineered to prevent over-rotation damage in high-stress cycling and motorcycle applications. Manufactured from marine-grade stainless steel 316, these components provide corrosion resistance, extreme durability, and precise steering control.Perfectly integrated into bicycle headsets or motorcycle triple clamps, these lugs are 5-axis CNC contoured to ensure 45° precision contact surfaces, delivering smooth steering while protecting your frame and fork from impact damage.


Key Features & Benefits

Feature Specification Advantage
Material 316 Stainless Steel (ASTM A276) Saltwater/sweat resistant, ideal for coastal/MTB use
CNC Process 5-axis milling + EDM finishing Complex 3D contours with ±0.01mm accuracy
Contact Angle 45° precision machined Optimized steering lock without sudden jamming
Load Capacity 200Nm torque resistance Withstands aggressive riding and off-road impacts
Surface Finish Electropolished (Ra 0.2μm) Reduces friction, prevents galling
Weight 15g (typical road bike lug) Minimal impact on overall bike weight
Compatibility Fits 1-1/8" to 1.5" tapered headtubes Universal for road, MTB, and motorcycle applications
Certifications ISO 9001, EN 14766 (MTB standard) Quality assured for competitive use


Applications:

Mountain Bikes – Enduro/DH bikes with aggressive steering angles
Road Bikes – Prevents damage in crit racing/tight corners

E-Bikes – Protects heavy motors from over-rotation stress
Motorcycles – Track-day bikes with limited steering range


Our Advantage:

Precision CNC Machining – Ensures consistent quality and perfect fitment.
Internal Steering Stop Lugs – Prevents excessive wheel rotation, protecting CV joints and tie rods.

High-Strength Material – Corrosion-resistant and load-bearing for demanding conditions.

OEM/Aftermarket Compatibility – Designed to meet or exceed original specifications.
Customization Available – Material, finish, and dimensions tailored to your requirements.


Technical Comparison vsTraditional Stops

Parameter Our CNC-Machined Lugs Cast/Punched Stops Advantage
Precision ±0.01mm tolerance ±0.5mm tolerance 50x more accurate
Durability 10M+ load cycles 500K cycles (typical) 20x longer life
Installation Press-fit + CNC alignment Welded/glued No weak points
Corrosion 1000hr salt spray resistant Prone to rust Maintenance-free



Why consider us?

No mold fees for aluminum profiles – We absorb these costs to reduce your expenses.  

No welding fixture charges – Another way we help you save.  

Combing different Producing Technology – Outsource Aluminium Profile, Shaped Metal, Metal Casting materials, MIM materials, then CNC machining to lower the unit price.

Cost-competitive production – Our lean manufacturing and expertise allow us to deliver high-quality parts at favorable prices.  

One-Stop Factory – Our ISO9001 IATF16949 Certificated factory provide laser cutting, bending, Stamping, CNC Machining, Sheet Metal Working, welding, Assembling in one factory, ensure stable quality control.


Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company SUZHOU POLESTAR METAL PRODUCTS CO., LTD
Location No. 999 Xueyuan Road, Bacheng Town, Kunshan City, Jiangsu China 215300
Contact Person Judy

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