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Search: Posts Made By: Fergp
Showing results 1 to 13 of 13
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Forum: Tandem Cycling
02-06-23, 08:05 AM
Replies: 32
Views: 13,912
Posted By Fergp

A lot has changed since I did this conversion! My...

A lot has changed since I did this conversion! My Cannondale tandem is now an "E-Tandem" with a Bafang 500 watt mid-drive motor. (My wife and I are a lot older and need help on the hills!) I still...
Forum: Tandem Cycling
03-09-20, 05:10 AM
Replies: 32
Views: 13,912
Posted By Fergp

Yes, we still love it! (had a great ride...

Yes, we still love it! (had a great ride yesterday) I did change the big ring from 52 to 50. This this improved the shift up from the 38 tooth ring and helped with the chain wrap in the back in the...
Forum: Bicycle Mechanics
12-30-19, 07:02 AM
Replies: 6
Views: 3,369
Posted By Fergp

Finally figured out the problem! The battery...

Finally figured out the problem! The battery inside the seat tube was not adequately secured. Since this bike has a seat mast and not a seat post, you can't use the normal Shimano seat post mount...
Forum: Bicycle Mechanics
10-06-19, 07:11 AM
Replies: 6
Views: 3,369
Posted By Fergp

Rattle Noise Emonda DI2 R8070 Disk

I am trying to isolate and fix an annoying rattling sound on my 2019 Trek Emonda Project One with R8070 DI2 disk. All was well for the first 6 months, but it has recently developed a loud rattle...
Forum: Tandem Cycling
08-28-19, 08:20 AM
Replies: 32
Views: 13,912
Posted By Fergp

It's an Ultegra DI2 11 speed front derailleur. I...

It's an Ultegra DI2 11 speed front derailleur. I did end up changing the big ring to 50 tooth (still 38 small ring), to improve shifting performance. We have done about 3000 miles since the DI2...
Forum: Tandem Cycling
04-19-17, 11:57 AM
Replies: 32
Views: 13,912
Posted By Fergp

Yes, I understand, but when I'm in the...

Yes, I understand, but when I'm in the small/small the chain is almost hitting the 2 pulleys and there is very little tension in the spring. I am afraid that adding one more link to the chain will...
Forum: Tandem Cycling
04-14-17, 04:57 AM
Replies: 32
Views: 13,912
Posted By Fergp

Here are a few more pictures. I fabricated an...

Here are a few more pictures. I fabricated an extension to the standard battery mount to make it fit the water bottle mount on the bottom of the down tube. I decided to stay with the old-style...
Forum: Tandem Cycling
02-12-17, 10:43 AM
Replies: 32
Views: 13,912
Posted By Fergp

Cannondale Tandem Conversion to DI2 11 Speed

I just finished my winter project; converting our 2015 Cannondale Road Tandem 2 to DI2 11 speed! I received a lot of help from this form, so I wanted to share the result. Here are a few key points to...
Forum: Tandem Cycling
12-25-16, 07:21 PM
Replies: 86
Views: 16,945
Posted By Fergp

Sorry to upset the apple cart! I am in the middle...

Sorry to upset the apple cart! I am in the middle of a DI2 upgrade to my tandem and thought I could tap into the knowledge base. The DI2 discussion in this thread has been extremely helpful.
Forum: Tandem Cycling
12-17-16, 11:56 AM
Replies: 86
Views: 16,945
Posted By Fergp

Thanks, I will look at this option!

Thanks, I will look at this option!
Forum: Tandem Cycling
12-16-16, 05:01 PM
Replies: 86
Views: 16,945
Posted By Fergp

I would like to convert my 2014 Cannondale T2...

I would like to convert my 2014 Cannondale T2 with FSA Gossamer crank from triple to double. Is there a compatible FSA Gossamer double "drive side" that will work with the tandem "timing sprocket...
Forum: Tandem Cycling
09-08-16, 12:21 PM
Replies: 16
Views: 6,512
Posted By Fergp

Are there any other 11 speed cassettes that will...

Are there any other 11 speed cassettes that will work with the my DT 540 hub besides the XTR 11-40? Maybe something a little smaller?
Forum: Bicycle Mechanics
05-05-14, 06:29 PM
Replies: 3
Views: 7,203
Posted By Fergp

Changing derailleur cage on Ultegra 6770 DI2

I am replacing the standard rear derailleur cage on my DI2 6770 with a longer cage from an 6700 GS derailleur so I can run a bigger cassette. It seemed pretty straight forward, however when I...
Showing results 1 to 13 of 13


 
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