Senior Member
Join Date: Dec 2009
Location: Denver area (Ken Caryl Valley)
Posts: 1,803
Bikes: 2022 Moots RCS, 2014 BMC SLR01 DA Mech, 2020 Santa Cruz Stigmata, Ibis Ripmo, Trek Top Fuel, Specialized Levo SL, Norco Bigfoot VLT
Mentioned: 8 Post(s)
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Quoted: 464 Post(s)
I think the GP4000s is very fast, but my few rides on the Schwalbe Pro One seem faster. I actually have my fastest 16-mile route on those Pro Ones, followed by the GP4000s, tied with the Vred Tricomp, and last comes the Michelin Service Course.