Originally Posted by
hokicake
So I just got a aero frame road bike in the smallest size avail and the top tube still touching my privates but at least I can stand over it but I would like a like some clearance so I'm gonna put on 650b tires to drop the frame a little bit. I just got some mavic wheels in the mail and got some 27.5 x 1.5 tires so I'm hoping it'll fit cause I'm just playing it by ear. The main concern I'm having......
After you sort out brakes, sort out the rim size and tires. 650b rims will not fit 27 1/2 tires. Conversely, 27 1/2 rims will not fit 650b tires.
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