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Here’s a fun one: get a measuring tape and angle finder and go measure the geometry on your current bike. I guarantee you it doesn’t line up with the geometry chart. At least one number will be surprisingly off.

That’s completely normal. There can be enormous variation in tire weight from tire to tire, even when they are identical models. Some hardcore puzzlers will weigh out tires with a gram scale at the store to get the lightest ones possible. I have never, ever, ever been able to tell a 7% difference in mountain bike tires because they’re so damn heavy to start with.

You guys are going to think I'm full of shit, but these are completely true: -I used to work at Suzuki headquarters. Ricky Carmichael gave me the " 'sup" head nod when he came to visit once, because he recognized me from a previous media event. -The drummer for No Doubt is my cousin. He introduced me to Gwen Stefani backstage once, right before they got real famous, and for a little while, I felt like I had a chance with her. -I partied with Ron Lechien about a dozen years ago at a convention. Yes, that Ron Lechien. Yes...