CC PINION 28T-48 PITCH 5MM BOREThe CC PINION offerings are expanding and will include additional 1: 10 scale applications! These mega strength pinions are machined from carbon steel and will have a good resistance to wear and tear with their case hardened finish. The result is a performance pinion that can take the extreme conditions large scale RC cars operate inAvailable in 20T, 21T, 22T, 23T, 24T, 25T, 26T, 27T, 28T, 29T, and 30T. Our pinions use a 5mm bore.