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Search: Posts Made By: seansimp925
Forum: Road Cycling 10-18-14, 08:38 PM
Replies: 121
Views: 4,202
Posted By seansimp925
I don't pretend to know. My opinion is based on...

I don't pretend to know. My opinion is based on feedback from countless bike shows pitching an automatic shifting system that me and my team developed. What's yours based on?
Forum: Road Cycling 10-18-14, 06:10 PM
Replies: 121
Views: 4,202
Posted By seansimp925
Yes F1 is a great example of getting rid of...

Yes F1 is a great example of getting rid of electronics in competition. :)

http://www.popularmechanics.com/cm/popularmechanics/images/ty/indycar-wheel-1011-de.jpg
Forum: Road Cycling 10-18-14, 06:06 PM
Replies: 121
Views: 4,202
Posted By seansimp925
Agreed. The technology is expensive yet the vast...

Agreed. The technology is expensive yet the vast majority of people who want it aren't really willing to pay for it because they are just getting into the hobby and they see bikes as inexpensive...
Forum: Road Cycling 10-18-14, 05:59 PM
Replies: 121
Views: 4,202
Posted By seansimp925
I'd consider 100,000+ units per year for a decade...

I'd consider 100,000+ units per year for a decade to be pretty successful. 40,000 in their first 12 months. But you didn't know how harsh and unexpected the shifts were until after you assembled it...
Forum: Bicycle Mechanics 08-19-13, 08:46 PM
Replies: 28
Views: 2,008
Posted By seansimp925
Motorcycles are a super niche product in the US. ...

Motorcycles are a super niche product in the US. Cars and bikes are both mainstream. <0.5 million motorcycles sold in the US per year. 14+ million cars. 13+ million bikes. Look at who is riding...
Forum: Bicycle Mechanics 08-19-13, 08:39 PM
Replies: 28
Views: 2,008
Posted By seansimp925
Only three models had this system and they sold...

Only three models had this system and they sold 40,000+ of them per year. Not too many individual bike models selling those types of volumes. Of course that's not going to move the needle for...
Forum: Bicycle Mechanics 08-19-13, 08:30 PM
Replies: 28
Views: 2,008
Posted By seansimp925
It's not difficult but it's not typically the...

It's not difficult but it's not typically the highlight of the riding experience. Many people don't shift enough (some don't shift at all) and that leads to poor riding experiences. Poor riding...
Forum: Bicycle Mechanics 08-19-13, 08:23 PM
Replies: 28
Views: 2,008
Posted By seansimp925
Our bikes use the N360 with a mechanism that...

Our bikes use the N360 with a mechanism that automates the ratio selection as you ride. The system can perform multiple shifts per second and the result is a super smooth, comfortable, and fun ride....
Forum: Bicycle Mechanics 08-19-13, 07:37 PM
Replies: 28
Views: 2,008
Posted By seansimp925
We use speed and grade to estimate power. We...

We use speed and grade to estimate power. We line up that power output estimate with a target cadence and we let the rider adjust that on the bike itself or through iOS/Android apps that we've...
Forum: Bicycle Mechanics 08-19-13, 07:28 PM
Replies: 28
Views: 2,008
Posted By seansimp925
The Nuvinci N360 is an ideal hub for an automatic...

The Nuvinci N360 is an ideal hub for an automatic shifting bike without a derailleur.
Forum: Bicycle Mechanics 08-19-13, 07:25 PM
Replies: 28
Views: 2,008
Posted By seansimp925
The company that made the autobike classic in the...

The company that made the autobike classic in the 90s with the horrible commercials was CSA. Autobike was one of their brands.

AutoBike, Inc. was formed in 2011 in metro Detroit, Michigan and has...
Forum: Pacific Northwest 03-13-13, 08:16 PM
Replies: 7
Views: 712
Posted By seansimp925
Great show. Had a blast and will be back next...

Great show. Had a blast and will be back next year.

Cool pic I snapped while on a ride in West Seattle.

http://farm9.staticflickr.com/8235/8556524788_f51ebbdc1d_c.jpg
Forum: Commuting 01-09-13, 01:53 PM
Replies: 14,493
Views: 8,694,816
Posted By seansimp925
Who did you buy it through? Joe Bike or did...

Who did you buy it through? Joe Bike or did someone piece it together? Really interested in building a commuter on that frame with the belt drive.

Thanks!
Forum: Commuting 01-06-13, 02:20 PM
Replies: 14,493
Views: 8,694,816
Posted By seansimp925
That bike looks rad! Nice! IGH or is it...

That bike looks rad! Nice!

IGH or is it single/fixed? Like the belt drive!
Forum: Commuting 01-04-13, 03:49 PM
Replies: 14,493
Views: 8,694,816
Posted By seansimp925
I'm not actually using the Harmony automatic...

I'm not actually using the Harmony automatic shifting system in its stock configuration.

I helped develop a system that interfaces with the N360 using a modified version of their shift hub...
Forum: Commuting 01-03-13, 10:20 PM
Replies: 35
Views: 4,135
Posted By seansimp925
Have you had to bleed yours? I used to be a test...

Have you had to bleed yours? I used to be a test technician during college and would setup six dynos to run braking tests. Bleeding was always the worst part and I had an unlimited reservoir going...
Forum: Commuting 01-03-13, 04:09 PM
Replies: 5
Views: 414
Posted By seansimp925
I don't know the answer to your question but it...

I don't know the answer to your question but it prompted another question in my mind.

What are your thoughts on the slidepad braking system on their commuters? I met those guys at Interbike and...
Forum: Commuting 01-03-13, 04:06 PM
Replies: 35
Views: 4,135
Posted By seansimp925
Maybe he rides a ton but just doesn't ever slow...

Maybe he rides a ton but just doesn't ever slow down! :)
Forum: Commuting 01-03-13, 01:57 PM
Replies: 18
Views: 2,049
Posted By seansimp925
I noticed my Alfine-8 did not like to be shifted...

I noticed my Alfine-8 did not like to be shifted under heavy loads (really accelerating, going up steeper hills, etc). And going up a 10% grade on a 50# lb bike with a trailer sounds like you'd be...
Forum: Commuting 01-03-13, 01:53 PM
Replies: 35
Views: 4,135
Posted By seansimp925
That's pretty amazing. If you ever broke the...

That's pretty amazing. If you ever broke the seal, is it like bleeding automotive brakes? Those can be a pain and I figured it would be especially difficult with the tiny reservoirs that are...
Forum: Commuting 01-03-13, 01:49 PM
Replies: 14,493
Views: 8,694,816
Posted By seansimp925
I love it. The Seek 0 is OEM-equipped with an...

I love it. The Seek 0 is OEM-equipped with an Alfine-8 IGH and I'm glad that is gone. And it's much more efficient than the detractors think (I'm a mechanical engineer so I had to run my own tests...
Forum: Commuting 01-03-13, 01:01 PM
Replies: 14,493
Views: 8,694,816
Posted By seansimp925
Giant Seek 0 converted to Nuvinci N360 +...

Giant Seek 0 converted to Nuvinci N360 + automatic shifting
http://farm9.staticflickr.com/8222/8318395117_b62aec91d0_z.jpg
Forum: Commuting 01-03-13, 12:59 PM
Replies: 35
Views: 4,135
Posted By seansimp925
Hydraulic vs. Cable disc brakes for commuting?

One of my bikes has hydraulic disc brakes and the other has cable disc brakes. I really don't have a preference in terms of riding/stopping, so I guess that means I would lean towards cable since...
Forum: Commuting 01-03-13, 12:57 PM
Replies: 71
Views: 1,957
Posted By seansimp925
Around $1500. I ride a pretty much stock...

Around $1500.

I ride a pretty much stock Giant Seek 0 and just did a Nuvinci N360 conversion for this year.
Forum: Commuting 01-02-13, 09:26 AM
Replies: 18
Views: 2,049
Posted By seansimp925
Hey Marc, What part of Michigan are you...

Hey Marc,

What part of Michigan are you from? I can't PM yet but I can probably receive them.

-Sean
Showing results 1 to 25 of 32

 
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