Vortex alloy rear race sprockets in 520 chain size. To convert modern 600 and 1000cc sport bikes to 520 chain size is an easy inexpensive upgrade to reduce weight and rotating mass that robs horsepower. We can sell these individually or we can offer complete 520 kits.
We also offer 520 alloy race sprockets for other common race machines that come standard with 520 size chain.
Vortex sprockets come with a black hard coat to extend the life of the sprockets. These sprockets have been tested and proven by the toughest racers in NZ and overseas.
The alloy sprockets are available in red, blue, silver, orange and black, we stock the harder wearing F5 Hardcoat black version.