Upgraded 25H Chain 13T Motor Sprocket Master Link Replacement For Razor Dirt Rocket Bikes MX500 MX650 SX500 RSF650 MY1020 Kids Electric Scooter Mini Bike Go Kart Parts
✔️ 25H chain compatible, 13T teeth, 29mm OD, 5 master links
This replacement motor sprocket is designed for 25H chain drive systems used on dirt bikes, mini bikes, scooters, and go-karts. It’s a direct upgrade for MX500, MX650, SX500, RSF650 style models and similar 36V platforms.
✅ Teeth: 13T
✅ Chain compatibility: 25H
✅ Outer diameter: 29mm
✅ Mounting diameter length: 10mm
✅ Mounting diameter width: 8.5mm
✅ Tooth thickness: 4mm
✅ Includes: 1 x 25H Chain 13T Sprocket, 5 x 25H Master Links
💡 What is a 25H chain 13T motor sprocket replacement used for in dirt bike drive systems?
This handy upgrade is designed to improve drive reliability and chain life, especially on mid‑range electric dirt bikes and mini karts. - Compatibility with 25H chain drives - 13T gear size optimizes torque and acceleration - Includes master links for quick installation - Works with 36V Razor Dirt Rocket family and similar bikes