Drive Sprocket Rear 40T 420 Size NS50F NSR50

[KITACO 535-1036240 Drive Sprocket Rear 40T 420 size NS50F NSR50 KITACO 535-1036240]
There is no clear standard for when to replace a sprocket, making the timing very ambiguous.
One factor that helps determine this is "tooth wear."
If the tooth tips become sharp, or the belly or sides are worn down, it's time for replacement.
Simultaneous replacement of the front sprocket, rear sprocket, and chain: If you only replace one of these components, the worn unreplaced parts will prevent the new part from performing to its full potential and durability, leading to premature replacement. Therefore, considering the long term, replacing all three simultaneously is recommended for better longevity.
This is the rear sprocket (wheel side).
To allow for precise settings, it supports tuners with a wide range of teeth counts and reasonable pricing.
Made from highly durable chromoly high-tensile steel.
Sprockets are consumables.
As a general guideline for normal driving, inspect the sprocket approximately every 1000km (regular lubrication significantly improves the lifespan of sprockets and chains).
The larger the reduction ratio (rear sprocket teeth count ÷ front sprocket teeth count), the more acceleration-oriented it is; the smaller the ratio, the more top-speed-oriented it is.
Compatible models: NSR50/80 All models
NS-1 All models
NS50F All models
NSR MINI
NSR50R
XR50 Motard AD14 All models
XR100 Motard HD13 All models
APE50-D (FI model) AC18 All models
APE100-D HC13 All models
NSF100
*The image is for illustration purposes only. The design and specifications of the products shown may change without notice. Please understand.