This 21" wheel natural left side speedometer drive kit includes drive and adapter ring to utilize a 2240:60 speedometer on FXWG dual disc and FLH single disc
The inner diameter of the drive ring that mounts to the wheel is 3/4"
The spacer measures 1.127" inner diameter, 0.748" outer diameter, and 0.156" thick
The overall wide is 1-3/8", the top pipe is 3/4" and the overall height is 2-3/8"
