Question: What’s the scoop on using talcum powder when installing a new tube? Is it necessary? — Lorri L. Coach Fred Matheny Replies: Powder applied to a tube or the inside of a tire makes a slippery interface. They won’t stick to each other. This makes it easier to mount and seat the tire, with less chance…
Question: When I install clincher tires, they often have a minor bulge. It isn’t noticeable on the road, but I can feel it when the bike is on the trainer. The wheel is round, but it looks like the tube doesn’t inflate evenly. Any tips? — Hal N. Coach Fred Matheny Replies: You may be using tubes…
Question: I’m short and shopping for a new bike. I’ve found that many with small frames use 650C wheels. Are there any disadvantages to having these smaller wheels? I notice that triathletes often prefer 650C no matter how tall they are. — Caren C. Coach Fred Matheny Replies: Smaller wheels are thought to create less wind resistance….
Question: I’ve heard that when riding in wet conditions, treadless tires are best. This is completely opposite of car tires. Why? — Ed J. Coach Fred Matheny Replies: The theory is that car tires need grooves because they’re wide, causing them to hydroplane on thin sheets of water and lose traction. The grooves channel the water to…
Question: I weigh 210 (aiming for a svelte 200 soon) and am dreaming of a cross-country ride in the next few years. What wheels should I use, aero or traditional 32 spokes? — Stan M. Coach Fred Matheny Replies: Call me an old fogy, but I like traditional three-cross 32-spoke wheels built with sturdy rims, especially for…
