Price Paid:
$37.00
at Bonktown Bike Setup: 2009 Kestrel RT800, Dura-Ace, Reynold MV32C UL. Summary: Fun tire to ride. I ride my road bike on the different bike paths in Denver, CO; these usually follow creeks or rivers, so they are very twisty, with alot of little hills (some big ones too). The R1's handle great and provide really good feedback. They do wear quickly, but I understood that when I bought them. After about 600 miles though I started to see a delamination from the sidewall near the tread. It looks like the sidewall is just starting to peel away slightly. I also noticed a considerable amount (more than 8) of small 1-2mm nicks/cuts in the treads (more on the rear). The rubber tread stretched open revealing the main casing underneath. Despite this I never had any flats or problems with these tires, and I was very hard on them-and always ran them @ 120psi front, 140psi rear. I did swap the rear back to a conti 4000s because of the nicks however; they became significant enough to concern me about blowouts on high speed road descents (deer creek canyon). Strengths: very light, grippy, and the colors are cool too. Despite all the cuts in my tire tread, I never had a single flat. Given the size of some of those cuts, this is fairly impressive. Weaknesses: They wear fast, but you should expect this from a lightweight/performance tire, so I'm not sure it this really constitute a weakness. Similar Products Used: Conti 4000, 4000s, light weight Vittoria's. 
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