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No, the brass-colored part at the top is the valve core. You undo the top nut a bit to let air in and out of the tire, because when it is in that position the valve is locked and can't leak (or admit) air. That whole assembly is simultaneously the greatest thing about Presta valves and their...

Better valve core caps, and in cool colors: https://www.performancebike.com/granitedesign-juicy-nipples-presta-valve-core-remover-caps-blue-2-gvc18-10/p974125 Yeah, the plastic ones break but they are cheap and you can always carry spares. You probably should because you'll tend to lose them...

All tubeless shrader valves I've ever seen have a lock nut. My own experience with tubeless (presta valves) is that the lock nuts tend to work loose and the best thing is to have at least two lock nuts on the valve to keep them in place. Another infuriating thing that can happen with a...

Problem solved (unless you are wearing a robe): https://www.rei.com/product/543017/jogalite-wide-leg-band-15-inches

She probably always rode with her husband who had the GPS bike computer. And since she always rode with him it didn't occur to her that she might need it. I've been in enough situations where a GPS by itself didn't help me very much. You need good maps too. And even the best maps can get...

It was a routefinding error, riding alone, probably being in a hurry to catch up to her husband, and a flat tire. Small mishaps snowballed into thirty hours. If any one of those things didn't happen it probably would have been a non-story. Yes, you need a first aid kit. But you need the...

That's all great, except: Winds shift direction. Especially in the event of unexpected weather. What "adequate" and "necessary" tools are largely depends on the type of trip, its length, and availability of outside support. A first aid kit is of limited value in a medical emergency without...

This is an inexpensive product that all of us need. You can put one of them on your helmet and stick one on the back of your cellphone case. What it is is a QR code sticker that links to a website endpoint. You register (free) with the website and put your contact and medical information...

Public Service Announcement Deserts have lots of sharp pointy things that cause flat tires. If you have any brains at all you will know how to fix a flat if you are riding your bicycle there. Even if you run tubeless, use self-sealing tubes, have puncture-resistant tires, or "never get flat...

Yes that sounds correct in theory but we all know that a pretty high percentage of e-bikers on this site (an enthusiast site) can't or won't fix a flat tire in the field. And I suspect that percentage is even higher amongst the vast majority of e-bikers who don't participate in this site or...

You can spend a bit more money and get one of the stick-on GoPro mounts on Amazon (about $17) and get a regular bike light that can use a GoPro mount. You'll spend a bit over $100 but you'll have a great night riding light (or one for rail-trail tunnels that sometimes are over a mile long)...

"VT rating" is the Virginia Tech number. And as the helmet models change year on year the ratings change.

The justification for DOT fluid is that your brakes will still work and work much better when the brake fluid is contaminated with water. At least in theory. Some of the mineral oil fluids sold at bike shops also are not great for you or other parts of your bike, so wouldn't assume that just...

Note that what kind of brake fluid you need will depend on the brakes. https://www.bikeradar.com/advice/buyers-guides/brake-fluid-mineral-oil-vs-dot Having said all that, some mountain bikers have used baby oil as brake fluid and relatively few of them have died in horrible crashes caused by...

So tell me how exactly you would make a house less expensive than a TV?

If you aren't picking up your bike every now and then you aren't on a real gravel ride.

https://forums.electricbikereview.com/threads/hardwiring-lights-on-a-como-2-0.41876/ I'd say that unless you are riding a lot (and I mean a lot) at night there are many great rechargeable LED lights at reasonable prices these days. And no matter how great the lights mounted on your bike even...

The Knipex Mini-Pliers are great but have some pretty specific narrow situations where you really need them. In particular on my Rohloff-equipped R&M Charger they are indispensable. I have a couple of other cases where they are helpful but not strictly necessary (one is a couple of very...

Even without considering the motor cutoff switch upgrading to hydraulic brakes is going to be quite a project. Especially if you haven't worked with hydraulic brakes on a bike before. Expect to make a mess and mess some stuff up. If it were me I'd start by upgrading the rotors, and probably...

The rim-drive dynamos are very inefficient and in practice are barely enough to charge small lights. Hub dynamos are more efficient, but are draggy, heavy, and often very expensive. I have a quite nice hub dynamo on my touring bike that keeps a front light going and has a USB jack on the stem...