Beefy 40 Tooth Sprocket For 420 Chain With 40mm Bore Upgrade For Mini Bikes Compatible With CT200U CT200U-EX BT200X KT196 Baja MB165 MB200 Hensim Massimo TrailMaster Axis M200 212cc 196cc 200cc 6.5hp Powersports Parts
✔️ 40T gear, 7075 aluminum, fits CT200U/MB200 series, 40mm bore
The beefy 40-Tooth rear sprocket is designed to upgrade mini bikes that run a 420 chain. Made from 7075 aluminum, it's lightweight yet durable, with a precise tooth profile to minimize chain derailment. It's compatible with Coleman CT200U, CT200U-EX, BT200X, KT196, Baja MB165/MB200, Hensim MB165/MB200, MASSIMO MB200, and TrailMaster MB200, making it a straightforward upgrade to boost top speed on a range of popular models.
✅ 40T rear sprocket for 420 chain fits CT200U, MB200, Baja MB165/MB200, Hensim MB165/MB200, TrailMaster MB200
✅ 7075 aluminum alloy offers strong, lightweight durability
✅ Precision tooth design reduces chain derailment and enhances safety
✅ 40mm bore aligns with standard rear hubs and mounting patterns
✅ Color: Black; easy installation on compatible mini bikes
💡 What is a handy question about selecting a rear sprocket for mini bikes and does this 40T model with a 40mm bore fit?
This quick Q&A helps buyers decide. - 420 chain compatibility and 40T size for common mini bikes such as CT200U/MB200 and TrailMaster MB200 - 40mm bore compatibility check with rear hub mounting pattern and bolt circle - upgrade impact: higher top speed with proper gearing and accurate chain tension