40T High Speed Rear Chain Sprocket 6 Hole 37mm Bore For 420 Chain Fits Mini Bikes Like Coleman CT100U CC100X Mega Moto MMB80 Baja Doodle Bug DB30 Motovox MBX10

Regular price $60.95 Sale price$150.00you save $89.05
SKU: VXB0FBFX9M6Z
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Single 40T 6-Hole 37mm Bore Rear Sprocket for 420 Chain
✔️ 1x 40T sprocket with 6 mounting screws; 37mm bore; fits 420 chain

This 40T rear chain sprocket is a high-strength steel gear designed for 420 chain systems. It fits a range of minibikes and small off-road bikes with 37mm bore and 6 mounting holes, delivering reliable torque and smooth power transfer across rough terrain.

✅ 40T rear sprocket with 6 mounting holes and 37mm bore
✅ 420 chain compatibility; designed for #40/41/420 chains
✅ High-strength steel construction with galvanized rust-resistant coating
✅ Includes 1 sprocket and 6 mounting screws for install
✅ Improves low-end torque, acceleration, and hill-climbing ability

💡 What is a common use for a 40T 6-hole rear sprocket with a 37mm bore? - It pairs with 420 chain systems for minibikes with a 37mm bore and 6 mounting holes
- It boosts low-end torque and throttle response on hills
- It provides reliable power transfer on rough terrain
- It fits devices with 6 mounting holes and a 37mm center bore

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