Anhui Huihuang Chain Transmission Co., Ltd. is one of the leading manufacturers and suppliers of 420 motorcycle chain in China, featured by quality products and good service. If you're going to wholesale advanced 420 motorcycle chain made in China, welcome to get pricelist and free sample from our factory. We also accept customized orders.
Basic Information
| Product Name | 420 motorcycle chain |
| Rows | Simplex |
| Product number | 420 |
| Pitch range | 12.7mm |
| Product grouping | Driving Chains |
product properties
| USES | Transportation Chain |
| Material | Carbon Steel |
| Transport Packaging | Export Package |
| Supply type | ODM & OEM |
420 Motorcycle Chain Specifications (ANSI Standard)
Basic Dimensions (Standard 420)
|
Parameter |
Symbol |
Metric (mm) |
Imperial (inch) |
|
Chain Number |
- |
420 |
#420 |
|
Pitch |
P |
12.7 |
0.5 |
|
Roller Diameter |
d1 |
7.77 |
0.306 |
|
Inner Width (Between Inner Plates) |
b1 |
6.35 |
0.25 |
|
Pin Diameter |
d2 |
3.96 |
0.156 |
|
Max Pin Length |
L |
14.7 |
0.579 |
|
Pin Length (With Circlip) |
Lc |
16.1 |
0.634 |
|
Inner Plate Depth |
h2 |
12 |
0.472 |
|
Plate Thickness |
T |
1.5 |
0.059 |
- ANSI Standard 420 Motorcycle Drive Chain, High Strength & Long Service Life
- Multiple Attachments & O-ring Sealed Design, Wide Compatibility
- 420/420H Two Grades, Ideal for Motorcycles, ATVs and Mini Vehicles
- Heat-Treated Alloy Steel, Low Friction & Excellent Wear Resistance
echnical Specifications & Dimension Chart
420 vs. 420H Motorcycle Chain Specifications
Understanding the exact specifications ensures correct fitment for your OEM production or aftermarket distribution needs.
| Model / Parameter | Pitch (P) | Roller Width (W) | Pin Diameter (d) | Plate Thickness (T/t) | Avg. Tensile Strength | Chain Type | Recommended Application |
| 420 Standard | 12.7 mm (1/2") | 6.35 mm (1/4") | 3.97 mm | 1.5 mm / 1.5 mm | 18.5 kN | Non-O-Ring | 50cc - 110cc City Bikes & Pit Bikes |
| 420H Heavy Duty | 12.7 mm (1/2") | 6.35 mm (1/4") | 3.97 mm | 1.8 mm / 1.8 mm | 22.0 kN | Non-O-Ring | 110cc - 125cc Dirt Bikes & Racing |
| 420 O-Ring | 12.7 mm (1/2") | 6.35 mm (1/4") | 3.97 mm | 1.6 mm / 1.6 mm | 20.5 kN | Sealed (O-Ring) | 100cc - 150cc Off-Road / Muddy Terrain |
| 420 X-Ring | 12.7 mm (1/2") | 6.35 mm (1/4") | 3.97 mm | 1.6 mm / 1.6 mm | 21.0 kN | Sealed (X-Ring) | High-Performance Off-Road & Endurance |
Product Overview
Designed for Extended Service Life and High Tensile Strength
One of the most popular drive chains for small to mid-displacement off-road motorbikes, pit bikes, mini bikes, dirt bikes, and ATVs (100cc to 150cc) is the 420 motorcycle chain.
HengHu Chain produces O-Ring, X-Ring, 420 Standard, and 420H Heavy Duty drive chains with precise engineering. Our chains, which are made of high-quality alloy steel, go through sophisticated heat treatment and shot-peening procedures to optimize wear resistance, tensile strength, and anti-fatigue performance in challenging off-road environments.
Available Finishes, Colors & Surface Treatment:
Custom Finishes & Corrosion Protection
We offer multiple surface treatments to enhance corrosion resistance and deliver stunning visual aesthetics for racing and custom bike builds:
Natural / Steel Gray: Standard oiled finish for economy markets.
Gold / Gold (Outer & Inner Plates Gold): Premium electroplated finish with high anti-rust performance and popular racing aesthetics.
Silver / Chrome Plated: Nickel-plated for superior corrosion resistance and shiny appearance.
Black & Gold / Custom Colors: Black zinc-coated plates paired with gold pins/rollers for custom OEM brands
B2B Wholesale, OEM & Customization Services
Wholesale & OEM Manufacturing Solutions for Global Distributors
As a direct factory with decades of chain manufacturing expertise, HengHu Chain provides comprehensive B2B cooperation options:
1 : Low MOQ: Starting from 500 pcs per specification for customized colorways, or lower for standard stock lengths.
2 : Custom Packaging Options:
Individual Color Boxes: Custom branded box printing, barcoding, and user manuals.
Polybag with Header Card: Economical option for retail display shelves.
Bulk OEM Industrial Packing: Master cartons and wooden pallets for assembly lines.
3 : Quality Assurance: 100% pre-stretched prior to packing to minimize initial stretch during early riding. ISO9001 certified production line.
Standard Link Lengths, Packaging & Application Fitment
Flexible Link Counts & Fitment Guide
We support both pre-cut finished lengths and bulk rolls for assembly plants:
1: Standard Link Counts (with Master Connection Link included):
102 Links / 108 Links: Common for standard pit bikes and mini motorcycles.
114 Links / 120 Links / 132 Links: Suitable for long-wheelbase dirt bikes, ATVs, and custom sprockets.
100ft Bulk Rolls: Supplied with connecting links for distributors and repair centers.
2 : Fitment Vehicle Range:
Pit Bikes / Dirt Bikes: 50cc, 70cc, 90cc, 110cc, 125cc, 140cc, 150cc (Honda CRF50/70, Yamaha TTR, Kawasaki KLX, Apollo, TaoTao, SSR, etc.)
ATVs & Quad Bikes: 110cc - 150cc Utility & Youth ATVs.
Go-Karts & Mini Bikes.
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