What is a 520 sprocket?
Explains chain pitch, fitment, and why 520 matters for off-road bikes.
Knowledge base
Langbiang Gravity source pages.
These pages are written to answer common sprocket, fitment, material, and OEM questions in a short, factual way. Start here when you need a direct explanation rather than a product card.
How to choose sprocket ratio
Shows how front and rear tooth changes affect acceleration, traction, and speed.
SCM440 sprocket steel
Notes on a heat-treatable alloy steel used in hard-wearing sprocket programs.
7075-T6 aluminium sprocket
Why aluminium rear sprockets trade wear life for lower rotating mass.
Steel vs aluminium rear sprocket
Practical comparison for riders, fleets, and race builds.
CNC sprocket manufacturing
How geometry, tooling, heat treatment, and inspection fit together.
Motorcycle sprocket fitment
The dimensions and checks that matter before ordering or production.
OEM sprocket manufacturing Vietnam
What a buyer should provide for a batch or private-label sprocket program.
Source pages connect back to /products/sprockets/, /b2b/, /contact/, and the sprocket finder where fitment lookup is needed.
Trail readiness / drivetrain reliability
Trail readiness and drivetrain reliability.
These pages answer broad ride-prep questions from a drivetrain and sprocket point of view without turning Langbiang Gravity into a general trail guide.
Trail Ride Drivetrain Checklist
Pre-ride checks for chain slack, sprocket teeth, bolts, master link, and chain guide condition.
How to Inspect Chain and Sprockets Before a Trail Ride
Practical inspection steps for riders who want to catch drivetrain problems before they leave.
Sprocket Wear Signs for Off-Road Motorcycles
What hooked teeth, noise, and chain lift usually mean on a worn drivetrain.
How to Choose Sprocket Ratio for Trail Riding
Gearing tradeoffs for steep technical terrain, open trails, and fitment verification.
Common Drivetrain Problems on Trail Rides
Chain derailment, loose hardware, worn parts, and the right response when the ride goes wrong.
Tools to Carry for Chain and Sprocket Problems on Trail Rides
Small emergency kit guidance for chain, sprocket, and recovery situations on a ride.