I dont have my bike next to me but yeah basically that, the opening is the same on both sides. Since i picked it up a few months ago its probably only been ridden like 6 or 7 times 4 or 5 mile rides at a time with minimal shifting.
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"Lime green Velocity in the morning, bike thief take warning. Green rim in the afternoon, you're a buffoon." -Bike snob Nyc