"10 x 3-1/2 flat-free, with 3/4 inch PBB offset"
"10 x 3-1/2 flat-free, with 5/8 inch PBB offset"
"10 x 3-1/2 flat-free, with 3/4 inch PBB centered"
"10 x 3-1/2 flat-free, with 5/8 inch PBB centered"
"10 x 3-1/2 flat-free, with 1/2 inch PBB centered"
12 flat-free wheel with 3/4 inch BB centered
