Kawasaki Z125 420 Rear Sprocket for Scooters & Mopeds
ITEM# TT-16929
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Description
Kawasaki Z125 420 Rear Sprocket for Scooters and Mopeds
This rear sprocket for the Kawasaki Z125 420 is built for scooters and mopeds that need better performance. Changing the gear ratio is the main way it affects acceleration and top speed. It belongs to our scooter chain and sprocket range and can be swapped at home with basic tools, so you can set up your ride to match how you like to drive. It comes in 30-tooth and 32-tooth versions, giving you a choice between more torque and higher speed.
Adjusting the Gear Ratio
The gear ratio you run determines how the bike performs. Fewer teeth on the front combined with more on the rear increases torque and acceleration, which suits short tracks and wheelies. Adding teeth to the front or removing them from the rear raises top-end speed, which works better for long highway trips.
Build Quality and Fit
This rear sprocket is manufactured in the USA and has a case-hardened finish for long wear and steady performance. It runs on a #420 chain and uses 68mm bolt spacing, so it is simple to fit. Consider replacing the sprocket when acceleration starts to drop off, or when you want to change how the bike behaves.
Specs
- Material: Case Hardened
- Size: 30t / 32t Options
- Chain Compatibility: #420 Chain
- Bolt Spacing: 68mm
- Made in: USA
- Fits: Kawasaki Z125 with 420 chain, 68mm bolt spacing
Compatible Models
Fits:
- Kawasaki Z125 Pro
Choosing the right one: Match the sprocket to a #420 chain and 68mm bolt spacing, then select 30T or 32T. A larger rear sprocket provides quicker acceleration.
Browse related parts: Scooter Chains & Sprockets · Scooter Parts
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