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Messages - stumpjumper8

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Do the shifters rattle? I've now seen several videos of people complaining that on rougher roads, the shifters rattle.

I've rim brake version.  When riding, never heard any noise from the shifters.  I've got them turned in A LOT and 99% of the time, I'm grabbing them in aero position.  Not sure if that prevents any rattling.

2
This groupset is trash. You'd be stupid to buy it over a complete 105 di2 groupset.

I got an original Cervelo S2 and it is an amazing bike.  The only problem is the rear shifting due to the frame design (bad cable path).  My dream has always been to put SRAM wireless shifting on it but at this point, that's not a realistic option.  All I needed was to swap out the FD, RD, and shifters... and along came WheelTop with the exact solution.  Got $125 CAD discount on AliExpress and bought the groupset for $618 CAD (free shipping and didn't pay a cent for duties). 

It has been perfect (everything has already been documented) but pretty damn close.  IMHO, anyone with rim brake bike should consider this upgrade option.  The only negative is the slight weight increase since I'd swapped out SRAM Red shifters and Force derailleurs.  From my experience, don't see how it's trash or it is stupid to buy over a complete 105 di2 groupset that doesn't exist.

3
Hello, I saw that there was also an accessories management part in the app where you are asked to scan the QR code of the shifters. Maybe we need to do this procedure for pairing but where are the QR codes then??? I'm lost and very angry.
Thanks.

You said you bought the group from WheelTop Europe.  If that's the case, did you try contacting them?  I sent them a message on their website's contact us form and they got back to me somewhat quickly.  I bought mine from Aliexpress so they didn't help me directly but if you bought it from them, I'm pretty sure they'll provide assistance to you.

4
Today, I started the app to check battery after ride and got a fault code after communication was established.  In fact, the log showed it twice within seconds.  The error message is "Magnetic encoder abnormality".  The error code is 20.  The "Equipment type" is "front".  Anyone experience this?

I tried everything after and didn't notice anything out of the ordinary.  Also, when closed and opened the app again, it didn't have any fault.

5
I think i've seen trace velo on YT use a bit of plastic wrap around the area to increase friction? i'd have thought the max torque would be dictated by the bars, because that's what is at risk of cracking. 6-7nm sounds right. 10-12 sounds very high indeed. on carbon bars, i'd be afraid to tighten that much. obviously on alu, you don't care.

I took it apart and put some gorilla tape under the bands of the shifters.  It is better but still needed 8Nm to keep it from moving easily.  My guess is if I try hard enough, they will still move by hand.  Took the bike for a short ride and they didn't move from tucking at them on climbs. 

Got a lot of thoughts on my experience installing the groupset, setting everything, fine-tuning, ergonomics, shifting performance, etc.  For now, the most important thing is the shifting is beyond my expectations for what I paid for it ($618 CDN). 

6
Hello everyone.  New here. 

Received rim brake groupset yesterday.  Installed it today.  Wireless does make some things easier but the need to fine tune in order to get everything working perfectly took a lot longer than mechanical shifting.  With load (i.e. actually riding bike), had to tune it some more.  Will go for a real ride tomorrow.

The question I have is what torque do you apply to the shifters?  The user guide states 10-12Nm.  That's really high compared to other brands.  I'm using carbon bars and normally, 6-7Nm is sufficient to prevent the shifters from moving for Shimano/SRAM shifters that I've installed before.  At 6Nm, these shifters can be moved very easily.  I've to go around 9Nm to get them to stay and I didn't try to use that much force to move them.

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