01
Sprockets
Front and rear sprockets by bike model, chain size, and tooth count.
Open SprocketsProduct catalogue
Off-road motorcycle parts catalogue.
Choose a product line for materials, applications, and fitment support, then open sprockets or request OEM / dealer batch.
Technical notes live in the knowledge base.
Product lines
Select a hard-parts program.
Start with the product line, then use the appropriate fitment workflow or request support.
02
Brake Rotor
Front and rear brake rotors by bike model, diameter, and bolt pattern.
Open Brake Rotor03
CNC Performance
CNC covers by bike model, sample, drawing, and finish.
Open CNC Performance04
Bolt Kits
Grade 5 titanium hardware by application, thread, length, and torque check.
Open Bolt KitsFitment first
Product line, then bike model.
Langbiang Gravity is focused on dirt bike hard parts. Choose a line for material and application guidance, then open the relevant fitment flow or send the bike details for confirmation. When the model is ready, use find your sprocket fitment.
Sprocket programs for hard chain load, tooth wear, mud, and fleet service.
Rear sprockets for lower rotating mass and sharper race response.
Brake rotor programs for heat, mud, braking load, and flatness checks.
Ti-6Al-4V bolt kits for selected weight-saving and corrosion-control points.
Product visual pending
- Bike model
- Model year
- Chain size
- Tooth count
- Use case
- Quantity