Jim’s Tech Talk By Jim Langley My son-in-law Frankie has really taken to cycling. I introduced him to you a year ago when he asked for tips on shifting double-chainring road bikes to share with his riding group. Here’s that story in case you’re learning to shift or know someone who needs a quick primer: Beginners’ Guide to 2X Shifting. … [Read more...] about Identify the Exact Problem with Frankie’s Shifting and Win a Prize!
Jim’s Tech Talk By Jim Langley The subject this week is a fussy detail related to increasing the typical 140mm rotors on disc brake road bikes to 160mm. The brakes are Shimano Ultegra R8070 flat-mounts. … [Read more...] about Quest for the Right Road Disc Brake Adapters
Jim’s Tech Talk By Jim Langley It’s all Ed Pavelka’s fault. You remember, Ed. He’s the founder and original editor/publisher of this here RoadBikeRider e-newsletter and comprehensive online resource for roadies. Ed’s retired from writing and publishing now and riding just as much as ever. Ed and I go way back. We first met during the Putney Bicycle Club’s Route 9 … [Read more...] about Observations of a Zwift (Virtual World Riding) Rookie
QUESTION: I’ve got a bike with ultegra di2 electronic shifting after 2 years and 10k miles With no problems. The system won’t stay charged more then 48 hrs. The Bike has spent most of the summer in the local bike store where they swapped the main cable And the battery. It still Doesn’t work. Any suggestions? As a work around I just charge it up before every ride when charge … [Read more...] about Di2 Batteries Won’t Stay Charged: Ask the Coach
Jim’s Tech Talk By Jim Langley Boy, we roadies sure like our gearing! So far, 30 of you commented on last week’s Tech Talk in which I answered Dan’s question about whether his new classic steel Bottecchia could handle touring. … [Read more...] about Which Gearing for This Steel Road Bike – Follow-up