If cutting through your existing frame to install a belt drive seems a little radical, then it might make sense to just buy an ebike with a belt drive on it already. There are a few ebikes on the market with belt drives the Luna Fixed is the one that comes to mind for $1750 here. Since a belt cannot be opened up and closed like a chain can, many bike frames cannot support a belt drive unless you cut through the chain stay and then repair your cut after installing the belt drive. The Gates Carbon belt drive is the ‘Rolls Royce’ of ebike drive systems A bad chain line will also make much more noise because there is far more contact points on the chain with the gears and it is not going to be happy when it’s loading up the gear or shedding off a gear. This is not always the case, because often bikes with many gears will have a screwed up chain line when in your granny gears. The #420 chain on a Sur Ron is going to be way more noisy than a single speed bike chain and a single speed bike chain is going to be generally noisier than a 8 ,9 or 10 speed chain. Chain NoiseĪny chain is going to make noise, the bigger it is, often the noisier is is. Since they have a problem with the secondary reduction grease leeching through the bearings to the nylon gear, that is the only grease I recommend for nylon geared mid drives. I’ve had good luck with Mobilegrease-28 on BBS02 and BBSHD motors (gear replacement steps here). If the grease is black, it’s probably the wrong kind for nylon. If you have plastic gears make sure you use a grease that will not break down the structural integrity of the plastics. The best thing I’ve found for reducing gear noise is a liberal greasing. In a week or two you will be able to buy a replacement steel gear to replace the venerable nylon gear in the BBSHD Before your car wheel bearings fail, the noise is often the only warning you get that there is a problem at all. With failing bearings the noise tends to get extremely high pitched and gets incredibly annoying. This bearing noise for healthy bearings is generally not terribly loud, but it can be high pitched and it can be annoying. Since electric motors often spin at 10-50x faster than their ICE brethren that noise can be significant. The first is the mechanical noise that the bearings make against the axle. ![]() Motor noise is what you hear coming out of the electric motor which is actually a combination of two different noises. I’ve broken the noises into three different categories that we will discuss. The chain on the Sur-Ron Light Bee is much louder than the electric motor is There has been a lot of controversy about ebike motor noise lately and this article will discuss several different kinds of noise you can expect from ebikes or electric motorcycles and how you can avoid getting an ebike that is going to end up annoying the crap out of you. So are fast, some are slow, some are big, others are small but one thing that all ebikes have in common is that they are vastly more quiet than their internal combustion cousins. I’ve ridden every single ebike I can get my hands on in the last 5 years.
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