01
Sprockets
Front and rear drivetrain components for hard chain load, tooth wear, mud, and race use.
Open SprocketsProduct catalogue
Race-abuse hard parts.
Choose a product line, then search by dirt bike fitment. Pricing is by request after model, year, use case, quantity, finishing, batch size, and dealer program are confirmed.
Product lines
Select a hard-parts program.
Start with the product line, then use the fitment search inside each line page.
02
Brake Rotor
Front and rear racing brake rotor programs for heat, mud, braking load, and fitment-based replacement.
Open Brake Rotor03
CNC Performance
CNC-machined performance covers and replacement hard parts by bike model and batch program.
Open CNC Performance04
Bolt Kits
Grade 5 titanium race hardware kits for selected weight-saving and corrosion-control points.
Open Bolt KitsFitment first
Product line, then bike model.
Langbiang Gravity is focused on dirt bike hard parts. Choose a line, search brand, model, year, and type, then add a sample SKU to the quote list or send the bike fitment for confirmation.
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.
- Bike model
- Model year
- Chain size
- Tooth count
- Use case
- Quantity