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Discussion Starter · #1 ·
Hi all, I need help with finding a 520 48T steel sprocket for my 2004 ZZR-600.

I purchased the bike in 2007. In 2010, I replaced the stock 530 steel sprockets (16T front/48T rear) and 530/112-link chain with the RK/Vortex 520 Quick Acceleration kit. The kit has the 520 -1 steel front (15T), a 48T aluminum rear and GB520XSO chain. I am replacing the kit an average of every 3-years (2013 and 2016). This time I waited a little longer but it needs replacement.

1) I want to go back to a steel rear 48T sprocket but I can't find a 520 48T that is specifically identified for the 2004 ZZR. Does anyone know where I can find a 520 steel 48T rear sprocket?

2) My other option will be a 520 14T/46T to keep a similar gear ratio for quick acceleration. Again, I can't find a steel 520 46T sprocket that listed for the 2004 ZZR600. If I go with this 14T/46T, do I need a different chain size? Current size I am using with the 15T/48T is 112-links.

Thanks in advance.
 

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Discussion Starter · #2 ·
Posting to provide the information for other that may be interested.

I contacted Vortex directly and they were able to identify a 520 14T/46T steel set, which was my second option. This set provides a higher gear ratio (3.29) for a slightly higher acceleration than the 15T/48T (3.20) option.

3270-14 (14 tooth steel front sprocket) - $28.95
491AS-46
(46 tooth black steel rear sprocket) - $48.99

520SX3-110
(110 link black SX3 (Vortex) chain) - $123.99
G520SX3-110
(110 link gold SX3 (Vortex) chain) - $123.99
520MVXZ2-110G
(110 link gold EK chain) - $112.36
 

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