mini light or 505 hub

[foreverfaster]

what's the difference? have a 3 hole hub, (no rotor) no numbers, kart has big caliper. most 7 inch rotors are four hole... any insight to insure i order the right rotor?

 

[dunlop01]

Big caliper uses 505 hub which there is 2 sizes 3/16 and 1/8 thick rotors that is on a 1 1/4 axle

 

[Michael Curry]

505 hub will have three holes threaded 5/16-24

Mini Lite hub will have three "thru holes" with a ID to accept 1/4 bolts (no threads(

 

[Michael Curry]

There is a 1/8" x 7.1" rotor to fit the 505 hub