The Primo JJ sprocket is JJ Palmere's signature model featuring a dremel dimpled design made from 7075 aluminum with CNC machined cutouts to help shed weight.
The offset 1/8" teeth help improve chain alignment and the 15/16" bore includes both 19 and 22mm adapters to fit most spindles.
- Teeth: 1/8"
- Bore: 15/16"
- Thickness: 1/4"
- Adapter: 19mm & 22mm Included
- Weight: 2.5 oz (25T)