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What Noise Is My E-Bike Making? | How To Silence your EMTB Noises

What Noise Is My E-Bike Making? | How To Silence your EMTB Noises

– Your e-mountain bike
should be near silent when out and about on the trails. You might hear a little
whir coming from the motor, you might hear somebody
shouting “Cheat!” at you. But those noises are
nothing to worry about. There are a few noises
that could mean something a little bit more ominous
going on with your e-bike. Today, we’re taking a look
at some of the main offenders and how you can rectify them. (light music) (logo beeping)
(lightning crackling) (light music) One of the most annoying
noises on your e-bike, particularly when you’re
tackling tech terrain is chain slap. Now this is where the
chain slaps up and down and can hit the chainstay, echoing all the way through
the main frame of the bike. Now, a common mistake,
particularly if you’ve been working on your bike and
removing the rear wheel, is to leave the clutch off. So the clutch needs to be switched on, therefore that’s going to
stop the mech moving forward and creating that chain slap. If you leave it off the chain
is quite free to move forward and you can get that horrible chain slap on every single descent. (upbeat music) Another common noise coming
from the rear mech area is where your gears
aren’t indexed properly. Now, indexing means that
when you click the shifter the derailleur moves up
one cog either up or down. Now, if this indexing isn’t quite correct you’re going to get the
chain, the cassette, and it’s going to be trying
to jump between gears either up or down. Now, this amplified with the motor can mean you’re going
to get a load of noise coming from that rear mech. So you need to get on the
barrel adjuster on the shifter and just increase or
decrease that tension. Just make sure every time
you click that button it’s going to denote one gear
shift up or down the cassette. The chain on your e-mountain bike is one of the main offenders
when it comes to noise. Now, the chain is responsible
for taking all that power from the motor and delivering
it to the back wheel. If your chain’s rusty or it’s not lubed with the correct lube, you’re going to get a lot
of noise coming from that. Particularly if it’s
rusty it’s going to sound like a budgerigar going down the trail. It’s really important to lube your chain in the correct way with
the correct lube as well. So if you’re riding in the dry make sure you’re running
dry-condition lubes, if you’re riding in the rain and the wet make sure you’re putting
a wet lube on there. It’s really important
to keep that chain lubed ’cause it can make an absolute
racket if it’s running dry. The brakes on your e-mountain bike can be responsible for a lot of noise too. One of the main ones is brake rub. Now, this comes from, maybe, a bent rotor when you’ve been transporting your bike. It’s quite common to get that rotor bent, or even in a crash or
hitting something on a trail can cause those rotors to bend. Now, you’re going to
need a rotor truing tool to pull that rotor nicely back into true. It is quite tricky, you
can get the correct tools, but maybe take it down to your bike shop to make sure that rotor’s nice and true. Another noise that is really nasty, that comes from your e-bike, can be contaminated discs. Now, this is pretty common if
you’ve been lubing your chain, you can get a bit of overspray
drift onto that rotor. Meaning that the rotor’s
going to get covered in oil. Every time you press the brake it sounds like a squealing banshee coming from the back of the bike. You’re not going to have a lot of power, but you’re going to have a lot of noise. Now the only option to
get rid of that noise is to put some fresh brake pads in, clean that rotor off, and that braking should
sound all good again. (upbeat active music) The next nasty noise is creaks. Now, this can come from
the front end of the bike, the bar and stem, it can come from your
saddle and your seat post, or maybe even from your bottom bracket, your cranks and your peddles. Now, creaks can absolutely
do your head in. Now, the only way to remedy this is to go for the creak
elimination process. So you need to know if that creak’s coming when you’re pedaling or is
it when you’re free wheeling. Is it when you’re in the
saddle or out the saddle? Is it when you’re cranking hard? It is quite hard to find out where those creaks are coming from. But once you’ve found that creak it’s time to take apart that component, give it a good clean, give it a bit of a lube up, and just make sure it’s cranked back up to that manufacturer’s specifications. The cassette on your e-mountain bike can be quite a high-wear item. Now, a noise that does develop
when the cassette is worn is that chain jumping and
skipping around under load, particularly in these
smaller cogs on the cassette. It’s quite common if you’re
commuting on your e-bike to wear these smaller cogs out. The noise is pretty nasty, it’s going to be popping and skipping, and you’re not going to get
any power to that back wheel. Now, the only way to remedy this is to replace the chain and
the cassette at the same time and you should be able to get
rid of that horrible noise coming from the back wheel. So that’s it, I hope
that’s helped you guys out on some of those noises that’re coming from your e-mountain bikes. But let us know down in the comments about any ways and little
hacks that you’ve got for removing those noises. Check out the video that’s also playing that Doddy’s done about how to look after your e-mountain bike. Give us a thumbs up if you enjoyed it, and don’t forget to hit the globe in the middle of the screen
to subscribe to EMBN.

15 comments on “What Noise Is My E-Bike Making? | How To Silence your EMTB Noises

  1. Biggest noise I hear is the shimano motor on the 8000 any ideas to make it quiet? My other bike has a brose which is very quiet!

  2. Dry and wet lube FFS 😂😂😂😂
    I got some dry it won't come out the bottle 😂😂
    Ya fix ya bike then ya raz it down them trails seems pointless 😂

  3. I have a grinding sound coming from the crank area. Happens when,I hammer down pedaling uphill. I just replaced the chain and cassette. Could it be the chain breaking in on the chain ring? I did have about 600 miles on it when i replaced it

  4. My e bike sounds like a tractor, but only when I'm pedaling or have motor switched on so it's the motor. Think it's the torque senor. Any ideas?

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