YAMAHA YZ125/250-YZ250X/450X-YZF250/450-WRF250/450
> Top grade hardened Steel, will outlast an aluminum sprocket by 3 times.
> CAD designed and laser cut using state of art technology.
> Special coating for extra strength and durability.
> Sector optimized layout for maximum strength and lowest weight.
> Circular design around the hub reduces stress and maximizes reliability.
> Race proven on the toughest sand tracks in the Netherlands & Belgium
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