Blank generation xl bmx rimbuild your own custom wheelset or replace your old damaged rim with blanks excellent affordable generation xl rim featuring a double skin for extra strength and a low profile design youre free to lace up your hub of choice for the full custom build experience featuresdouble skin for extra strength40mm widelow profile 15 5mm designspoke holes 36total weight tbabuyblank rimsfrom chain reaction cycles the worlds largest online bike store