bicycling specific innovations

I recall there was a similar movement in the motorcycle world to adopt "radial mount" brake calipers some time back. Previously, most calipers were standard tab mount on sliders or just direct with no float. Most MTB brakes seem to be the radial/post mount nowadays with some other types of bikes doing a non-post mount. Why is that?
I asked Drew at Engine about that some years ago and his answer was weight. A IS-51 mount with an aluminum post adapter was lighter than building the frame for a post mount. This was back when he was still doing mostly steel frames, so it may depend on material. Oddly enough, my aluminum Chameleon has a 51mm mount and I've had to use a post adapter to mount the brake. Strange since I don't think any brake manufacturer makes a tab mount caliper anymore.
 
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The annual "Innovation Expo" at Silicon Valley's Techtopia was always a breeding ground for the bizarre, but this year, Barry "Gyro" Jenkins had outdone himself. He unveiled "Momentum," a bicycle that promised to revolutionize urban commuting.

"Ladies and gentlemen," Barry announced, his voice echoing through the crowded hall, "behold, the future of cycling!"

Momentum looked like a regular bike, albeit a bit bulkier around the wheel hubs. Barry explained that each wheel housed a powerful gyroscope, linked to the brake system. When the rider squeezed the brakes, the gyroscopes would spin up, absorbing the bike's momentum. This meant no more awkward foot-down stops at traffic lights. Then, when the rider released the brakes, the gyroscopes would transfer the stored momentum back to the wheels, propelling the bike forward – no pedaling required.

The crowd was a mix of awe and skepticism. Barry hopped onto Momentum, pedaled to gain speed, and then, as he approached a makeshift stop sign, squeezed the brakes. The bike smoothly decelerated, stopping perfectly without him putting a foot down. A collective gasp rippled through the audience. Then, he released the brakes, and the bike surged forward, effortlessly regaining its speed.

"Amazing!" someone shouted.

"It's like magic!" another exclaimed.

The next day, Momentum was the talk of Techtopia. Everyone wanted a test ride. The first few riders were amazed. The bike worked exactly as Barry had described. The smooth, effortless stops and the unexpected boost of speed were exhilarating.

However, things started to go awry later in the day. The first sign was a rider, a lanky engineer named Kevin, approaching a slight downhill. He squeezed the brakes, expecting a gentle stop, but the gyroscopes, now working with the added momentum of the hill, spun up with unexpected ferocity. The bike screeched to a halt, and Kevin, caught off guard, was flung forward, landing in a bush.

"What the...?" he sputtered, covered in leaves.

Then came the reports of riders experiencing sudden, uncontrolled bursts of speed. The gyroscopes, when released after absorbing a significant amount of momentum, were sending the bikes rocketing forward like they were launched from a slingshot. One rider, a petite woman named Sarah, found herself accelerating so quickly that she nearly collided with a food truck.

"It's like it has a mind of its own!" she yelled, fighting to control the bike.

The problem, as Barry sheepishly admitted, was that the gyroscopes were a bit...over-enthusiastic. The system, designed for smooth, controlled momentum transfer, was proving to be unpredictable and downright dangerous in real-world conditions. The gyroscopes were storing and releasing momentum with an almost sentient disregard for the rider's intentions.

By the end of the day, the Innovation Expo was in chaos. Momentum bikes were being confiscated, and Barry was being escorted off the premises by security. The "future of cycling" had turned into a chaotic, momentum-fueled roller coaster.

The next morning, a small footnote in the Techtopia Gazette read: "Gyro Jenkins' 'Momentum' Bike Recall: Gyroscopes Exhibit Unpredictable Momentum Transfer, Resulting in Numerous Incidents and Minor Bush-Related Injuries."

Barry, meanwhile, was back in his garage, tinkering with a new invention: self-folding laundry. He'd learned his lesson. Sometimes, less momentum was more.
 
The annual "Innovation Expo" at Silicon Valley's Techtopia was always a breeding ground for the bizarre, but this year, Barry "Gyro" Jenkins had outdone himself. He unveiled "Momentum," a bicycle that promised to revolutionize urban commuting.

"Ladies and gentlemen," Barry announced, his voice echoing through the crowded hall, "behold, the future of cycling!"

Momentum looked like a regular bike, albeit a bit bulkier around the wheel hubs. Barry explained that each wheel housed a powerful gyroscope, linked to the brake system. When the rider squeezed the brakes, the gyroscopes would spin up, absorbing the bike's momentum. This meant no more awkward foot-down stops at traffic lights. Then, when the rider released the brakes, the gyroscopes would transfer the stored momentum back to the wheels, propelling the bike forward – no pedaling required.

The crowd was a mix of awe and skepticism. Barry hopped onto Momentum, pedaled to gain speed, and then, as he approached a makeshift stop sign, squeezed the brakes. The bike smoothly decelerated, stopping perfectly without him putting a foot down. A collective gasp rippled through the audience. Then, he released the brakes, and the bike surged forward, effortlessly regaining its speed.

"Amazing!" someone shouted.

"It's like magic!" another exclaimed.

The next day, Momentum was the talk of Techtopia. Everyone wanted a test ride. The first few riders were amazed. The bike worked exactly as Barry had described. The smooth, effortless stops and the unexpected boost of speed were exhilarating.

However, things started to go awry later in the day. The first sign was a rider, a lanky engineer named Kevin, approaching a slight downhill. He squeezed the brakes, expecting a gentle stop, but the gyroscopes, now working with the added momentum of the hill, spun up with unexpected ferocity. The bike screeched to a halt, and Kevin, caught off guard, was flung forward, landing in a bush.

"What the...?" he sputtered, covered in leaves.

Then came the reports of riders experiencing sudden, uncontrolled bursts of speed. The gyroscopes, when released after absorbing a significant amount of momentum, were sending the bikes rocketing forward like they were launched from a slingshot. One rider, a petite woman named Sarah, found herself accelerating so quickly that she nearly collided with a food truck.

"It's like it has a mind of its own!" she yelled, fighting to control the bike.

The problem, as Barry sheepishly admitted, was that the gyroscopes were a bit...over-enthusiastic. The system, designed for smooth, controlled momentum transfer, was proving to be unpredictable and downright dangerous in real-world conditions. The gyroscopes were storing and releasing momentum with an almost sentient disregard for the rider's intentions.

By the end of the day, the Innovation Expo was in chaos. Momentum bikes were being confiscated, and Barry was being escorted off the premises by security. The "future of cycling" had turned into a chaotic, momentum-fueled roller coaster.

The next morning, a small footnote in the Techtopia Gazette read: "Gyro Jenkins' 'Momentum' Bike Recall: Gyroscopes Exhibit Unpredictable Momentum Transfer, Resulting in Numerous Incidents and Minor Bush-Related Injuries."

Barry, meanwhile, was back in his garage, tinkering with a new invention: self-folding laundry. He'd learned his lesson. Sometimes, less momentum was more.
Gotta love April Fools Day😁🤘
 
I saw this, and I’ve been thinking a lot about it. It would be a huge pain in the ass because it would render almost all of our bikes and wheels obsolete, but once you get over that initial hurdle, lol this could be an amazing innovation. Imagine how easy it would be to have the entire bicycle drivetrain all connected to the frame… cassette and rotor included.


 
I remember seeing that at least a year or so ago. Definitely a cool idea although I agree it'd be an advantage in a few situations. Perfect for XC racing as it should make rear flat wheel changes somewhat faster, although it would depend on if or how much the weight penalty is...
 
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