wheel question

[snarehead123]

ive got a single speed bendix coaster brake wheel thats 26x1/38 what the fattest tire i can fit on it? ps it says bendix mexico on the arm iam looking for an alloy 26X175 with coaster brake that i can bolt on and ride anybody got one and how much? :?:

 

[deorman]

26x1 3/8" rims only take one size.