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Forum: Singlespeed & Fixed Gear

05-26-22, 02:15 PM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

I think I have a better way to address this. I...

I think I have a better way to address this. I have a Stages power meter which measures watts at the crank and an old Compu-trainer (if I can find all the pieces) that imposes load at the wheel. I...

Forum: Singlespeed & Fixed Gear

05-25-22, 09:36 AM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

To TMonk, yes same tires/tubes, wheels, bikes,...

To TMonk, yes same tires/tubes, wheels, bikes, geometry.

Forum: Singlespeed & Fixed Gear

05-24-22, 09:52 PM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

I ran across this in a cyclingabout article:...

I ran across this in a cyclingabout article: "Friction Facts have tested a singlespeed chain to be about 99% efficient at 150 watts (2-watts drag).... " Elsewhere, I think in one of the articles...

Forum: Singlespeed & Fixed Gear

05-24-22, 10:48 AM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

Thanks for all of your comments. I am setting up...

Thanks for all of your comments. I am setting up two bikes with exactly the same configuration. The drive train for both bikes is clean, new, and well lubricated. One is geared, has derailleurs, but...

Forum: Singlespeed & Fixed Gear

05-19-22, 09:57 AM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

Thanks prj71, I have seen both links. Neither one...

Thanks prj71, I have seen both links. Neither one provides actual data on single speed vs geared. Intuitively, I would think single speed is more efficient mechanically, but is there a significant...

Forum: Singlespeed & Fixed Gear

05-19-22, 09:45 AM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

Average speed, average heart rate.

Average speed, average heart rate.

Forum: Singlespeed & Fixed Gear

05-18-22, 08:16 PM

Replies: 21

Data on SS efficiency vs geared

Views: 3,021

Posted By steeltrap21

Data on SS efficiency vs geared

I am surprised that I have not been able to find any actual data on the efficiency of single speed vs geared. I generally ride road geared, but occasionally train with SS. I have a geared bike and a...

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