How do front and rear sprocket changes affect motocross gearing?

Front sprocket changes create a larger gearing shift, while rear sprocket changes are commonly used to fine-tune drive feel, torque delivery, and track response. Final fitment, chain length, and sprocket compatibility must be verified before production or purchase.

What is a 520 chain motocross sprocket?

A 520 chain motocross sprocket is made for a 520 chain pitch. The sprocket must match the chain pitch, tooth count target, and the motorcycle fitment pattern before it is used.

Can riders search Langbiang Gravity sprockets by bike model?

Yes. The Langbiang Gravity sprocket finder lets riders and dealers search by make, model, year, and model type, then continue with fitment support if verification is required.

Can buyers cross-reference an OEM code to a Langbiang Gravity SKU?

Yes. The cross-reference maps an OEM code to the JT SKU and then to the existing Langbiang Gravity LBG SKU as a replacement reference. It supports search and quoting, not fitment verification.

Langbiang Gravity / Race Components

Race Sprocket System

520 drive platform / off-road hardware

Front and rear sprockets shaped around verified fitment, real material choices, and hard off-road use.

Find your fitment Explore materials

Langbiang Gravity LBG Rear sprocket Mark III Fusion drawing

Scroll / 01

Fusion drawing set / LBG Rear

Three marks.
One rear system.

Source / Fusion PDF

LBG Rear Mark I sprocket Fusion drawing — **Mark I**TrussX

01 / base rear geometry

LBG Rear Mark II sprocket Fusion drawing — **Mark II**Hive

02 / revised load path

LBG Rear Mark III sprocket Fusion drawing — **Mark III**Voron

03 / current showcase visual

01 / Materials

Material follows load.

One platform. Steel under load.

Hard service / long intervals

Racing
Steel

Built for torque, mud, training volume, and the punishment of repeated off-road use.

Material: 42CrMo4
Priority: Endurance
Platform: 520 chain

02 / Fitment Logic

Geometry
decides fit.

FIT / 520

Chain platform

Confirm 520 pitch before tooth count or material enters the decision.

Pitch first

Mechanical interface

Countershaft pattern, hub geometry, bolt circle, center bore, and clearance must align.

Geometry locked

Bike application

Make, model, year, and model type complete the verified Langbiang Gravity fitment path.

Application verified

Honda CRFYamaha YZKawasaki KXKTM SX-FSuzuki RM-Z

03 / Finder

Bike in.
Fitment out.

Enter your bike details here. The verified result continues in the dedicated Langbiang Gravity finder app.

04 / Field Notes

Before
the gate.

01 How should riders choose front vs rear sprocket changes?

Front sprocket changes create a larger gearing shift. Rear changes are better for fine-tuning drive feel, torque delivery, and track response.

02 Can the finder search by make, model, year, and type?

Yes. Those four inputs route the application into the dedicated sprocket finder for fitment support.

03 Can buyers cross-reference an OEM code?

Yes. Cross-reference supports search and quoting by mapping the OEM code through the existing LBG SKU system; it does not replace final fitment verification.

04 Does public SKU guidance expose private geometry?

No. Public product guidance supports riders and dealers while protected geometry remains inside the verification workflow.

Ready / Set / Fit

Find your sprocket