I'm not a big fan of Shimano cranks. Why? This is the true reason! I don't like the way they LOOK! That's it! I like RF Products, they're well made, lightweight, strong and LOOK good! Plus, they come in different colors!
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger