I have two pulley questions..

[VinSVT]

What size is the Motoblue aux one piece idler w/ bracket from rpmoulet.com? 100mm or 90mm?

Also, with a 2.80 Motoblue pulley what size belt do I need?

 

[BO TY KLR]

Don't Know about the idler but belt sizes are either 74" or 74.5". Here is a link also.

http://cobrabob.com/tips.htm

 

[VinSVT]

Thanks

 

[Z O SICK]

The motoblue aux is 100mm.