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Old 03-12-18, 10:08 AM
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Join Date: May 2011
Location: Upstate NY
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Bikes: Bianchi San Mateo and a few others

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I'm not going to try to talk you out of upgrading your brakes, but for whatever it's worth...

Pretty much any brake caliper, including every dual-pivot Tektro model I've had my hands on, will open PLENTY wide for any rim you could possibly fit on that bike. It should just be a matter of adjustment - namely letting out a bit of cable at the caliper's pinch bolt. And with decent pads, your Tektro brake calipers offer performance that's plenty good. (Tektro's OEM brake pads leave something to be desired, though.)

And just to clarify something... You mentioned reach, but so long as your old wheels and new ones are both 700c (and they almost certainly are), then your original brakes have the proper reach. Reach is the distance from the brake caliper's mounting bolt to the rim's brake track. It has practically nothing to do with the width of your rim.
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