40T 6 Hole Rear Sprocket For 420 Chain High Speed Direct Fit For Coleman CT100U CC100X RB100 B100 Baja Doodle Bug DB30 Monster Mega Moto Motovox MBX10 Oryxearth 105cc And Similar 6 Hole Mini Bikes

40T 6-Hole Rear Sprocket for 420 Chain Upgrade
✔️ 1x package: single 40T 6-hole sprocket for 420 chain

The 40T 6-hole rear sprocket is a rugged upgrade designed for 420 chain systems on popular mini bikes. It’s a direct-fit replacement for Coleman CT100U, CT100X, RB100, B100, Baja Doodle Bug DB30, Mega Moto MBX series, Motovox MBX10, and Oryxearth 105cc. Use it to boost acceleration and top-end speed on flat roads or racing setups.

✅ Direct-fit for 6-hole mounting on compatible 420 chain systems
✅ 40T size delivers stronger top-end speed with improved acceleration
✅ High-carbon steel core with zinc plating resists corrosion, handles 10,000+ RPM
✅ CNC precision-cut teeth for enhanced chain engagement and reduced slippage
✅ Includes 6 x Grade 8.8 M6 bolts for quick, drill-free installation
✅ Only fits 6 inch wheel rims with 6-hole mounting pattern

💡 What is a 40T 6-hole rear sprocket used for with a 420 chain on 6-inch mini bikes? This handy upgrade improves drive efficiency and top-end performance on flat terrain. - Increases chain engagement and reduces slippage - Improves acceleration and sustained top speed on level ground - Fits 6-hole mounting on compatible 420 chain systems - Zinc-coated high-carbon steel resists wear and corrosion

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