Find Parts That Fit
ProTaper 428MX1 Gold Series Chain 134L
$64.99
Not sure it fits? Ask our fitment team — we check before it ships.
$64.99
$64.99
Tech Specs
- Brand
- ProTaper
- SKU
- PTR021710
- Manufacturer part number
- 021710
- Category
- Drivetrain › Chains
- Shipping weight
- 3.0 lb
- Availability
- Stocked
- EPA
- N/A
Premium gold series motocross chain. Built for smaller displacement motorcycles, the PT428MX uses all the same technology and innovations as the bigger 520 MX chain. Designed for up to 125cc applications. Lightweight, ultra high-strength chromoly construction with a 5,800 lbs. tensile strength.
- Engineered for maximum strength, durability, and smooth power transfer in demanding off-road and racing conditions
- Built from premium materials with precision manufacturing to deliver long-lasting performance and reliability
- Lightweight design reduces friction and rotational mass for improved throttle response and acceleration
Related Tech Articles
How to Choose a Big Brake Kit Without Overbuying
A big brake kit doesn't shorten your stopping distance — tires do. What it actually buys is heat capacity and pedal consistency. How to choose rotor diameter, piston area and pad compound, and when fluid and pads are the smarter spend.
Where Exhaust Power Actually Comes From
Almost every cat-back horsepower claim online is unsourced. Here's what an independent dyno test actually measured, why scavenging lives in the headers and not the cat-back, and where the power really is on a turbo car.
Coilovers vs Lowering Springs: How to Actually Decide
Both lower the car — but the decision is really about the damper. Why stock dampers and aftermarket spring rates fight each other, when springs are genuinely the right call, and what each path costs you beyond the parts.
- Choosing a selection results in a full page refresh.
- Opens in a new window.