Description
420 Rear Sprocket for Honda Grom and Monkey 125
This 420 rear sprocket is designed specifically for the Honda Grom and Monkey 125cc motorcycles, providing a reliable replacement for your bike's gearing system. Made from case-hardened steel, it delivers durability and strength for your riding needs. It is one of the mini bike & pocket bike parts that can significantly affect performance and acceleration. Choose the tooth count that matches your model year for best results.
Performance Impact of Sprocket Size
Selecting the correct sprocket size can dramatically influence the bike's performance. A smaller sprocket can improve torque and acceleration, ideal for short racetracks or wheelies. Conversely, a larger sprocket increases top-end speed, perfect for open-road cruising. For Honda Grom models manufactured in 2021 and prior, a 34-tooth sprocket is standard, while the 2022 and newer models require a 38-tooth sprocket.
Construction and Fitment
This sprocket is engineered to fit a #420 chain and features an inner diameter of 58mm with a diagonal bolt spacing of 89mm. Its sturdy design ensures that it can withstand the demands of street and track riding, making it a suitable replacement for worn or damaged sprockets. Proper installation will keep your bike running smoothly and efficiently.
Specifications
- Material: Case Hardened Steel
- Size: 34T / 38T
- Fits: #420 Chain
- Inner Diameter: 58mm
- Diagonal Bolt Spacing: 89mm
- Made in: USA
Fitment
This rear sprocket is compatible with the following models:
- Honda Grom 125 (models from 2021 and prior - 34T)
- Honda Grom 125 (models from 2022 and newer - 38T)
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: Mini Bike & Pocket Bike Parts · Honda Scooter Parts · Scooter Chains & Sprockets · Scooter Parts
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