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.
