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SRAM Force AXS 1x12 noisy

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SRAM Force AXS 1x12 noisy

Old 04-17-22, 06:14 AM
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Mattyb13
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SRAM Force AXS 1x12 noisy

Hello cycling friends. I have a 2021 Specialized Tarmac PRO w/SRAM Force AXS 1x12. Roughly 5000 miles on the bike. I keep the thing fairly immaculate, especially the drivetrain. Original chainrings and cassette. Replaced the chain ~1500 miles ago.
My question to the group is about drivetrain noise and indexing. My shifting is crisp enough, although I really don't understand how to index this thing properly using the micro-click method, Whats annoying is that there is a lot of drivetrain noise coming from the chain/cassette. I use ChainPro Max lube and love it. Just seems noisier than it should almost all the time. I would love any feedback, suggestions, links, therapy, anything. Thanks.
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Old 04-17-22, 06:41 AM
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The micro-adjust feature works just like the cable tension adjustment on a mechanical RD. If the shifts to larger sprockets is hesitant, use the left lever adjust the center of travel to the left. Right adjustment is done with the right lever. Hold the axs button while making a shift to make a micro-adjust.

RD hanger alignment is important. Check and correct alignment first. Parktool.com has the tool. Micro-adjusting a RD that's out of alignment is a waste of time.

Sram has videos on all of this.
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Old 04-17-22, 07:27 AM
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Has the drivetrain been noisy from Day One? Or has it gotten worse over time?

Someone with better mechanical knowledge may correct me, but I suspect that 1x drivetrains are inherently a bit noisier than 2x drivetrains, since the chain will likely more often be skewed at more extreme angles between the chainring and cassette. (Is your bike quieter when on the middle cogs, and noisier at the extreme ends of the cassette? That would lend credence to my theory.)
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Old 04-17-22, 08:03 AM
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Force cassettes don't have the rubber dampers that red cassettes come with. You can buy them for fairly cheap and it'll quiet things down.

though, I think if you have the chrome (as opposed to the older black) force cassette, those come with some (but not all) the Stealth rings.

https://www.universalcycles.com/shop....php?id=108916
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Old 04-17-22, 10:24 AM
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Originally Posted by Mattyb13
Hello cycling friends. I have a 2021 Specialized Tarmac PRO w/SRAM Force AXS 1x12. Roughly 5000 miles on the bike. I keep the thing fairly immaculate, especially the drivetrain. Original chainrings and cassette. Replaced the chain ~1500 miles ago.
My question to the group is about drivetrain noise and indexing. My shifting is crisp enough, although I really don't understand how to index this thing properly using the micro-click method, Whats annoying is that there is a lot of drivetrain noise coming from the chain/cassette. I use ChainPro Max lube and love it. Just seems noisier than it should almost all the time. I would love any feedback, suggestions, links, therapy, anything. Thanks.
What don't you understand about it? It's dead simple...you press the AXS button on either shifter and then click the shifter while holding the button down...the derailleur moves .25mm in that direction. With electronic shifting the only time you'd need to adjust is when switching wheels (maybe) or if you have a bent hanger, but you'd want to align the hanger and not adjust for an out of alignment hanger.
Also this is a mechanical question and should be posted in 'bicycle mechanics' and not here.
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Old 04-17-22, 11:32 AM
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Force cassettes have all had the noise reducing stealth rings for almost 2 years now. I bought two early model 10-36 cassettes in July of 2020 and they had them.
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Old 04-17-22, 12:07 PM
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Short chain stays + 1x = more noise.

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Old 04-17-22, 05:20 PM
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If you know how to adjust a mech RD, the microshift set up is similar. It's not hard and there's a lot of video on YouTube about how to do it.

Not familiar with your lube but if your chain got grit in it or the lube isn't great, you can go through most of a chain in 1500 miles. That's worth checking. As for lubes, since I came out, I've been using the new Silca stuff and it's extended the wear on my chains about 3X what they were before and is very quiet. The drivetrain gets noisier as the chain, cassette and chainrings wear. So I'd check the chain first, then the chain ring, then the cassette.
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Old 04-18-22, 11:10 AM
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Originally Posted by cxwrench
What don't you understand about it? It's dead simple...you press the AXS button on either shifter and then click the shifter while holding the button down...the derailleur moves .25mm in that direction. With electronic shifting the only time you'd need to adjust is when switching wheels (maybe) or if you have a bent hanger, but you'd want to align the hanger and not adjust for an out of alignment hanger.
Also this is a mechanical question and should be posted in 'bicycle mechanics' and not here.
It's even more simple now you can trim it directly from the SRAM phone app. It has 30 steps of micro-adjustment range
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Old 04-20-22, 12:17 PM
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Originally Posted by Mattyb13
Hello cycling friends. I have a 2021 Specialized Tarmac PRO w/SRAM Force AXS 1x12.
I’d be interested in seeing some photos of your Tarmac with that drivetrain. Did you install it yourself? What size chainring to you have? Do you find that the gearing limits you? If so, how?
All my bikes are 1x12, so I’m interested in hearing your opinions on yours
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Old 04-20-22, 06:34 PM
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I changed from a quiet 2x 9000 crank with SRAM AXS Red derailleurs to SRAm AXS Red 1x 48T. Not as quiet. It seems the 1X alternating narrow wide teeth pattern are a little noisy. Not awful but noticeable
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Old 04-21-22, 08:17 AM
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Are you on a indoor trainer? Turn up the radio or television.

Riding outside? Get over 16 mph so the wind noise in your ears drowns it out. Though it's unlikely at any speed they your friends riding next to it are bothered by it or even can hear it.

If it is truly noisier than others, then make sure it's adjusted properly and keep the chain lubed.

It is possible that getting a crank or rings and cogs made of different materials from a lower tier level product might help.
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Old 04-30-22, 05:31 AM
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Originally Posted by DaveSSS
The micro-adjust feature works just like the cable tension adjustment on a mechanical RD. If the shifts to larger sprockets is hesitant, use the left lever adjust the center of travel to the left. Right adjustment is done with the right lever. Hold the axs button while making a shift to make a micro-adjust.

RD hanger alignment is important. Check and correct alignment first. Parktool.com has the tool. Micro-adjusting a RD that's out of alignment is a waste of time.

Sram has videos on all of this.
Thank you for the feedback.
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