Question: I lowered my stem slightly after 18 months of riding in the same position. Immediately I felt knee pain on my usual 20-mile lunch ride. Coincidence, or did the stem change cause it? If it did, is there some other adjustment I should make to compensate, like lowering my saddle? -- Mike P. Coach Fred Matheny Replies: The lower stem might be the culprit, or you may … [Read more...] about Can a Low Stem Cause Knee Pain?
Aerodynamics
9 Aerodynamic Cycling Tips For Increased Speed
By Coach Fred Matheny John Cobb was Lance Armstrong's aerodynamics consultant for his first five Tour de France victories. [Aerodynamics, of course, have nothing to do with PEDs, so Cobb's advice holds true no matter what one's opinion of Armstrong might be.] Cobb was known to draw artful pictures on an easel to illustrate his points. Here are nine you can use. … [Read more...] about 9 Aerodynamic Cycling Tips For Increased Speed
How to perfect your cycling pedal stroke
By Coach Fred Matheny I'll never forget the rider approaching me near Boulder, Colorado, some years ago. Roadies are common in that cycling-mad town but this guy stood out, even at a distance, for the smoothness and fluidity of his pedaling motion. He sat rock steady on the saddle and his legs flowed underneath him. I wasn't surprised when he came closer and I recognized Ron … [Read more...] about How to perfect your cycling pedal stroke
What Effect Does Rain Have on Speed?
Question: How much does rain -- and wearing a rain jacket -- affect the aerodynamics of a ride and thereby the speed? Is there a best way to achieve speed in a wet race or fast group ride? -- Dave G. Coach Fred Matheny Replies: In a rainy ride or race, the issue isn't speed so much as traction. Rain won't affect speed by adding rolling resistance unless there are … [Read more...] about What Effect Does Rain Have on Speed?
How Does Wind Speed Affect Gradient?
Question: While grinding downhill into a nasty headwind recently, I had plenty of time to ponder the following question: What headwind velocity would compensate for the downhill advantage, making it feel like I was pedaling in calm conditions? If going uphill on various grades, what tailwind speed would compensate for the vertical gain? -- Dusty C. Coach Fred Matheny … [Read more...] about How Does Wind Speed Affect Gradient?