KITACO Driven Sprocket 428 Size for Monkey 125 and Grom (Rear/39T) (JB03/JB05) (JC92) 535-1452239

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[Important Notice] Items are made for the Japanese domestic market: - Products: Official Japanese market items (Manufacturing origin varies by model). - Voltage: AC 100V / Type A plug (Voltage converter may be needed). - Language: Japanese by default (Unless specified in title/images). - Region: Please check system compatibility before ordering.

Follow our shop for new arrivals! Please leave a review when your item arrives. ―・―・―・―・―・―・―・―・―・―・―・―・― Compatible models [for 428 size conversion]: Monkey 125: JB03/JB05 | Grom: JC92 | See compatibility chart on the KITACO website for details. 428 size PCD: 90mm | Center hole diameter: φ58 | Mounting hole diameter: φ10 For normal repairs and setting the secondary reduction ratio. Sprockets are consumables. We recommend checking them every 1000km as a guideline for general road use. Replace them if the teeth are worn down. *The side with the indentation is the front side (the side with the tooth number engraved). *Depending on the change in the number of teeth, it may be necessary to install a speed conversion pulse unit. Please check the compatibility chart on the KITACO website for details. *When converting from a 420 size to a 428 size, a 428 size front sprocket and drive chain are required.