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New bike: coasting question

Old 07-15-19, 11:21 AM
  #1  
artshotwell
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New bike: coasting question

I have just acquired a new bike, a 2020 Specialized Diverge E5 Elite. When I coast, I hear ratcheting sound. Haven't had this sound on my older bikes. My LBS mechanic says it's the high quality components on this bike. Do other bikes have ratcheting sound when coasting???
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Old 07-15-19, 11:24 AM
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Yes.
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Old 07-15-19, 11:25 AM
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Wilfred Laurier
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Almost all bikes that coast give off a ratcheting noise from the rear wheel, but some manufacturers (Shimano, esp.) uses a thicker grease in their freewheel/freehub mechanisms that dampens the noise.

And higher-end wheels often do have considerably louder ratcheting noise.
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Old 07-15-19, 12:18 PM
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Yep, it's normal. Generally speaking, Shimano goes out of its way to make the ratcheting sound as quiet as they can. For other manufacturers, they consider the sound an indication of how robust their ratcheting system is, and make it LOUD. Some high-quality freehubs, (Chris King, Huegi, etc) sound like a swarm of angry bees.

So if the shop is trying to imply that non-Shimano parts are superior, that's not necessarily the case either.
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Old 07-15-19, 01:09 PM
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It varies a lot, and cost doesn't seem to be a factor. I noticed when riding with a couple of friends this weekend one wheel was particularly loud when coasting. Main difference seemed to be the fellow's deep dish carbon aero wheels. The rim resonated with the noise from the freehub.

I've noticed similar sound resonance with my older carbon fiber frame. Clicking from downtube shifters was amplified compared with my steel bike's downtube shifters.

Freewheels I've tried are never as loud as some newer freehub aero wheels. My older bikes range from 7-speed freewheels to 8-speed cassette. Freewheels are generally fairly quiet but some are nearly silent while others are audible. The aluminum rims are usually low profile or only very slightly "aero", so they don't resonate with ratcheting sounds from the freewheels.
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Old 07-15-19, 02:19 PM
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Some free hubs are simply noisier than others - depends on the design, materials, grease etc etc - I wouldn’t necessarily equate noisiness with quality - Campag & DT tend to be noisy, Shimano tends to be quiet - they’re all good
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Old 07-15-19, 02:58 PM
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Ah good, I'm glad someone else thought this was odd. The ratcheting on my new bike is so loud, I think it's my least favourite part about the bike. I want my bike to sound completely silent.
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Old 07-15-19, 03:37 PM
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NomarsGirl
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I figure the noise is just a reminder to stop being lazy and start pedaling.
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Old 07-15-19, 03:42 PM
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You could pull apart the freehub body and pour some Phil's Tenacious Oil in there.
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Old 07-15-19, 03:58 PM
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Pawls in freehub

Search that.
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Old 07-15-19, 04:07 PM
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I used to be concerned about those noises until I purchased a bicycle with the Rohloff hub. My hub puts out so much noise that I can't hear noise coming from the other bicycles.
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Old 07-15-19, 04:23 PM
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surak
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GCN asked Chris King about the angry bees sound, he said that he originally planned to make his hubs silent but got feedback that everybody liked the noise.
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Old 07-15-19, 04:44 PM
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"The Tao is Silent", and so are my hubs
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Old 07-15-19, 04:53 PM
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Thanks for this explanation. I'm in the silent school, and the angry buzzing is a deal-breaker for me. (Not like I buy bikes or anything, but if I did ...)
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Old 07-15-19, 04:56 PM
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In the back of my brain I remember reading that the noise is the new fad. Reminds me of Harley riders and their penchant for loud pipes. When I was a kid, we just attached cards to the forks. MUCH cheaper....
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Old 07-15-19, 04:57 PM
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If you find the noise to be appawling, try a single speed coaster hub.

But seriously, totally silent hubs are the exception rather than the rule.
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Old 07-15-19, 05:48 PM
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Facts do not matter in this instance. Noisy hubs just sound junky to me.
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Old 07-15-19, 07:54 PM
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I like the clicky noise. In fact when we had a patient come with a clicking walker, I kept looking around for the bike
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Old 07-15-19, 08:00 PM
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Originally Posted by Gromax View Post
Ah good, I'm glad someone else thought this was odd. The ratcheting on my new bike is so loud, I think it's my least favourite part about the bike. I want my bike to sound completely silent.
Onyx hubs have a one way clutch instead of a ratchet. There’s another brand I’m blanking on that has magnets rather than springs for the pawls
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Old 07-15-19, 08:08 PM
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Originally Posted by Darth Lefty View Post
There’s another brand I’m blanking on that has magnets rather than springs for the pawls
Foss.

Though to be fair, they don't really use pawls at all.
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Old 07-15-19, 08:17 PM
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BirdsBikeBinocs
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I like the noise. It's the only noise I like. On a bike.
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Old 07-15-19, 10:55 PM
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My Helicomatic is as quiet as a church mouse. Try using Marvel's Mystery Oil on your noisey cassettes.
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Old 07-16-19, 12:10 AM
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you could always not coast to avoid that sound hehe. I use to try to never coast, but have been doing it more lately, the clicking is good
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Old 07-16-19, 02:35 PM
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Originally Posted by Gromax View Post
Ah good, I'm glad someone else thought this was odd. The ratcheting on my new bike is so loud, I think it's my least favourite part about the bike. I want my bike to sound completely silent.
It'd not odd that they make the noise, but I agree that the current fad of insanely noisy freehubs is incredibly annoying.
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Old 07-17-19, 08:46 AM
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artshotwell
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Originally Posted by Gromax View Post
Ah good, I'm glad someone else thought this was odd. The ratcheting on my new bike is so loud, I think it's my least favourite part about the bike. I want my bike to sound completely silent.
I like to be able to coast past walkers silently except for my little bell and a verbal warning.
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