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Resistance to forward motion is an ever-present foe in cycling. In the spirit of know thine enemy, here's an interactive visualization of the 3 main power losses due to air, gravitational, and rolling resistance. It's made in the Desmos online graphing calculator...

Study: Ebike injuries growing exponentially That's the headline from a recent issue of The Coast News, a regional weekly covering coastal San Diego County. Ebike adoption has been high across all age groups here — especially among kids. Full text below. Alarming stats and trends from 2018 to...

Before replacing the SRAM Eagle GX 12-speed chain on my Specialized Vado SL 1, thought I'd better get some help with the factory grease controversy. Little help from forum search. Q1. Should I strip the factory grease off the new chain before lubing — specifically with Rock N Roll Gold? SRAM...

A riding buddy just bought a new Velotric Discover M mid-drive commuter. If you've actually ridden one, would love to hear any notable experiences you have to share — good, bad, or just unexpected. Thanks! Coming from an Aventon Level.2 hub-drive, this will be his first mid-drive. The specs...

CA state senator Blakespear just announced this upcoming ebike safety webinar. I plan to attend. She's all about protecting legal ebiking and public safety at the same time. I fully support her proposed bill SB1167, which goes after deceptive manufacturers and dealers who sell e-motos and...

Update: Bike's staying home now — thanks for the replies! And now for something totally different from my usual coastal riding: Leaving soon for 12 days in Yosemite, Sequoia, and Kings Canyon National Parks — all in the Sierra Nevada. Taking the Vado SL 1. All 3 parks allow legal ebikes...

Bike upgrades seem to be a way of life on EBR. Done anything interesting with the old parts? Never got over my childhood love of spinning tops. And now that I make my own, always on the lookout for found objects to turn into working tops. LEGO's a good source for any additional parts needed...

Would love some help figuring out a Specialized app (SA) problem first encountered today after 3,500 mi of use. This morning's 17 mi lagoon loop, here perfectly recorded, profiled, and mapped by my handlebar-mounted Wahoo ACE and its phone app. The SA running concurretly in my pocket also...

Posted this earlier today: https://forums.electricbikereview.com/threads/my-dream-bike-got-stolen-lessons-next.58804/post-701140 When I hit [Post thread], I'd mentioned 2 different Velotric ebikes WITHOUT linking them. Three mentions total. No links anywhere in post. Forum software added the...

Over the last 4 years, I've had the telephoto cameras in 3 different Samsung Galaxy Note20 phones lose their normally sharp focus. (The first 2 were replaced for other reasons.) All three have logged many hundreds of miles on my ebike handlebars — mostly on QuadLock out-front mounts like the...

EDIT: If you'd like to try outdoor synchronous pedaling to music, skip to my latest take on it here. I listen only to ambient sound in traffic, but listening to music with bone conduction earphones is safe enough on exercise laps around my sleepy neighborhood. Many benefits with the right...

The championships are in Rwanda this year. Men's elite road racing final is this Saturday Sunday. Pogacar's there to defend his road racing title. No US streaming options to my knowledge. FloBikes seems to have cornered video rights but they're putting some free coverage on YouTube...

Rider power needed for ECO dash and climb A recent thread made me wonder: How would an alloy Vado SL 1, a carbon SL 2, and a carbon Creo 2 compare on two very different rides — (1) a fast "dash" on the flat at 20 mph, and (2) a slow 8 mph "climb" up a 5% grade? The focus would be on relative...

HBO Max is streaming the 5-stage Tour of Denmark with 2 interesting TNT callers. Stage 3 coming up. Replays available. Mads Pedersen and Jasper Philipsen are probably the biggest names there. Most World Tour teams represented. Also a lot of Danish riders looking to make their mark. So far, the...

Just a reminder that the Vuelta a Espana, the 3rd and final Grand Tour of the year, will start on August 23. Peacock will be streaming it live in the US. Wish ITV were covering it, but I guess they're kaput now. @Rás Cnoic ? Just read that Pogacar will be sitting this one out, but Almeida will...

Our ongoing Know Your Coast program has taken us to a VRBO on the high bluff above The Strands Beach in Dana Point. Unlike the preceding Oceanside segment, left the ebikes home, as the bikeways here are generally short and poorly connected. But I do have something off-topic to share: A...

With 3 of 8 stages now complete, the 2025 Criterium du Dauphine through eastern France is turning into an interesting race. I'm streaming it on Peacock. All the big Tour de France (TdF) contenders are there — Pogi, Vingegaard, van der Poel, etc. But riders I know nothing about have been...

Say what you want about GCN, but when it's good, it's really good. The gravel and mountain bikes under comparison here weren't electric, but the content still applies. Of course, the playing field was heavily tilted toward the gravel bike in this 100-mile, mostly luxury gravel route. But the...

Anyone have experience with the following Specialized tire accessories? 1. Considering the $30, 60 psi, 55 cc/stroke hand pump below for the tubeless 38 mm Pathfinder Pros on my Vado SL 1. Comes with a holder I'd mount on my currently unused top-tube bottle bosses...

Decisive crashes, cruel cobbles, 32-35 mm tires. https://velo.outsideonline.com/road/road-racing/35mm-tires-62t-chainrings-and-more-tech-of-paris-roubaix-2025-part-one/?scope=anon