Drive Sprocket, Front, 12T, 420 size, RZ50, TZM50R

[KITACO 530-0019212 Drive Sprocket Front 12T 420 Size RZ50.TZM50R KITACO 530-0019212]
The timing for replacing a sprocket is very ambiguous, with no clear criteria.
One factor to consider is "tooth wear."
When the tooth tips become pointed, or the belly or sides are worn down, it's time for a replacement.
If you only replace one of the three components (front sprocket, rear sprocket, and chain), the worn, unreplaced parts will prevent the new part from performing optimally and shorten its lifespan. Therefore, for long-term economy, it's recommended to replace all three at once, as they will last longer.
This is a front (engine side) sprocket.
Made from S45C (high carbon steel) for lightness and high durability.
Sprockets are consumables.
As a general guideline for normal driving, inspect the sprocket approximately every 1000 km.
(Regular lubrication significantly extends the life of both the sprocket and chain.)
Rear sprocket tooth count ÷ Front sprocket tooth count = reduction ratio. A higher number indicates a focus on acceleration, while a lower number indicates a focus on top speed.
Compatible models: RZ50 5R6/1HK
DT50 3LM all models
TZM50R all models
Mate 50 3AC1-9/4AT1-9
Mate 80 4AW1-4
YB-1 (Four) 5JE all models
TT-R50E all models
TT-R90 5HN1-4
*Images are for illustration purposes only, and the design and specifications of the actual product may change without notice. Thank you for your understanding.