28 T Compact sprocket December 10 2003
The 28T compact sprocket is here, and will be available soon. There will be two versions available, which are: 7075 aluminum which is 6mm thick. 4.4 ounces 6061 aluminum which is 8mm thick. 4.9 ounces 28t sprockets should be used with a 10t driver to maintain a normal gear ratio.