Board Thread:Game Discussion/@comment-2600:1004:B12D:E814:F47E:9FB8:DFAB:8699-20180713202417/@comment-2600:100E:B134:84:EDB8:92C7:AAE7:8237-20180716004250

SM racer your link says that 3 and 4 speed gear boxes are still used by some teams.