ScootsUSA Select – Rear Sprocket #420 37th Bolt Pattern 4x90mm (64mm to Adjacent Hole), Shaft 58mm Most Chinese Dirt Bikes

Compatibility / Fitment

Use the fitment details below to confirm this part matches your vehicle before ordering.

• Engine Size: See specifications / measure to confirm
• Fits Models / Common Applications: Dirt Bikes
• Fitment Notes: Transmission, Gears

Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible vehicle. If your vehicle has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.

Common Fitment Questions

Q: How do I confirm this matches my original part?

A: Measure your original part and compare against the listed specs (Shaft: 58mm; Chain/Pitch: #420; Size: 37th; Size: 64mm). Matching measurements is the most reliable way to confirm fitment.

Q: Which models does this fit?

A: Common applications include Dirt Bikes. Other compatible models may exist — confirm by comparing photos and measurements.