Jim Langley

Jim’s Tech Talk By Jim Langley Part 1 - The Problem And Some Tips For On-The-Road Repair A few of you asked me to cover repairing bent derailleur hangers so that’s the topic for this week and next. It’s a good problem to understand because it doesn’t take much to knock a derailleur hanger out of alignment. Even something as seemingly harmless as putting your bike in … [Read more...] about Fixing Bent Derailleur Hangers 

Jim’s Tech Talk By Jim Langley Last week we answered reader “Fixieguy’s” question on how rear derailleur limit screws work. Afterward another RBRer named “Bryan” asked if I could next explain how rear derailleur B Tension screws work. Since that’s another important rear derailleur adjustment to understand, we’ll cover that today. … [Read more...] about How Rear Derailleur B Tension Screws Work

Jim’s Tech Talk By Jim Langley Today’s topic was suggested by “Fixieguy,” who often posts helpful comments on this column. This time he emailed me asking for help setting up a new bike, which he called a “Dingle Speed.” Dingle Speed, I thought? What the heck is a Dingle Speed? It turns out - as Fixieguy kindly explained - that a Dingle Speed is slang for a Single Speed … [Read more...] about How Rear Derailleur Limit Screws Work

Jim’s Tech Talk By Jim Langley Early this week I answered a question from a roadie wondering about the tire inflation capacity of his and his friend’s CO2 inflators. Since I only rarely use them, I’m hoping you CO2 aficionados will read the question and my answer and weigh in with your advice. Please share your favorite CO2 inflator, too. If you don’t know what a CO2 … [Read more...] about Please Share Your CO2 Inflator Expertise

Jim’s Tech Talk By Jim Langley In two recent Tech Talks I mentioned that my wife and I drove cross country from our California home to our former home of New England. Traveling part way with us and also crossing the USA - except headed to the Carolinas, were our pals and fellow RVers Tony and Kathy. While we drive a Class C motorhome, they cruise in a Mercedes Sprinter … [Read more...] about A Tour of Park Tool Headquarters