Newsletter Issue No. 1163
March 6, 2025
Radian’s Zilch Pump Promises An End To Pump Attachment Problems
Jim’s Tech Talk
By Jim Langley
Today’s new product isn’t available yet and I haven’t even had a chance to try a prototype. But I want to tell you about it because I bet you’ve experienced the problem the pump is designed to solve. I sure have. Read more.
Bikey Wipes – Quick Review
By Sheri Rosenbaum
Wandering the aisles of this year’s CABDA Midwest show, I came across an Australian company started by a husband and wife team, Greg and Susanne Griffith. Greg was working the booth and shared that, as cyclists, they started Bikey Wipes to develop quality bicycle cleaning products that were also environmentally friendly. Read more.
Should I Adjust My Training Intensity as I Age?
QUESTION: I just celebrated my 65th birthday and have been an avid cyclist for over 30 years. I’ve always followed the hard/easy approach with a couple of intense group rides each week, some tempo riding, and recovery days. This formula worked great in my 40s and 50s, but lately I’m finding that I need more recovery time after hard efforts, and I don’t bounce back like I used to. Read more.
How much air pressure am I losing when detaching my bike tire pump?
QUESTION: After pumping up my bike tires, I always hear the sound of air loss when disconnecting the hose. How much above the pressure I want should I pump the tires to compensate for the loss? I have Presta valves. —Darryl J.
RBR’S STAN PURDUM REPLIES: In theory, at least, and generally in actual practice, you aren’t losing much air pressure at all. The sound you hear is the pressure that’s built up in the pump escaping into the atmosphere. Read more.
Cyclists Age Better
by Gabe Mirkin, M.D.
Two exciting studies show that older men and women who have cycled for many years do not have the markers of aging found in non-exercising people. Their muscle size and strength, amount of body fat, levels of hormones such as testosterone, and blood cholesterol levels were close to those of much younger people. Their maximal ability to take in and use oxygen was more like that of people in their twenties than in non-exercisers of their own age group. Read more.
Question of the Week
Do you have a training plan?
Other Cool Things to Read
Cycling News: Why is Jonas Vingegaard using tiny 150mm cranks?
Bike Radar: Rim width explained for road bikes, mountain bikes and gravel bikes
Triathlon Magazine: Are you wasting your time in the gym trying to get stronger on the bike?
Most Clicked Last Week
Dementia Risk to Double: Should That Be Troubling to Cyclists?
End Notes
