Joined: Sep 2010
Posts: 273
Likes: 0
From: San Gabriel, CA
Bikes: Nishiki Prestige, Reign, IH Warrior, Rockhopper, Brompton, Q-Bike, Forever, Free-Ride, Dahon, Merckx Premium, Litespeed Teramo, Raleigh MTi 1000, Motobecane Fly Ti, OnOne 456, Kona Unit, Transition TransAM
I just put 55mm inline skate wheels on my Brompton. The skate wheels have a square profile, which provides some stability the back wheel is folded in. They're also not too tall as to prevent the front wheel from touching the floor when completely folded.