Motorcycle Sprockets / Gearing - Explained with Bike It!
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- Опубліковано 13 жов 2021
- Gearing can be confusing at the best of times. Do you go bigger or smaller and what will those changes do to your bike?! We're here to explain all and clear up the great gearing debate once and for all!
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Changing sprocket sizes is an important modification. Newer (Euro 5) Triumphs will flash an ECU light and error code if you make minor sprocket changes. The OEM gearing is 17T/37T and way too high! 5th gear at 4500 RPM is 154 km/h! The 6th gear at 4500 RPM is 171 km/h!
3:41
I suspect it mite have something to do with more easy rideability at super slow speeds in bloody slow moving traffic.
I am new to this and researching it as well
Before I buy my 1st ktm
I’ve just received my new chain and sprockets and can’t wait to lower the gearing (first time) on my dinky Suzuki gsxr125. Top speed isn’t worth a wank (displayed 87mph downhill with wind behind me) so an extra 7.7% acceleration is eagerly awaited. Also at 100mpg+ I can afford lose a little fuel economy.
Looking forward to the continuing wheelie practice and pulling away that little bit faster.
Wish I’d ordered a plated chain sealed chain tho instead of a raw unsealed one. Oh well, always next time. Now to buy an expensive press fit rivet tool, the costs never stop do they?!
i upgraded the rare tyre to 1 size higher i.e., stock was 160 now its 170 ... do i need to change the sprocket ?? with additional teeth
Sorry I meant, revving the throttle handle
I am lowering the gearing from oem 16 front, 41 rear to 15 front , 42 rear If I go 1 down on the front and 1 up on the rear is this a better combination rather than going 1 down on the front on a KTM Duke 790
At least it means you keep the same chain length.
I have a 2022 ninja Kawasaki 400, at low gears, it’s very jerky despite raving smoothly. Would going high on the front sprocket adding more teeth, and removing teeth form the back sprocket help with a smoother ride, since the rpms would be lower ??
That is the idea yes I’m thinking of doing the same to mine
Going up one on the front and down one on the rear and you will keep ur stock (original) chain length (links). You’re acceleration will drop, it may even feel sluggish.
So what is the difference in characteristic changing front vs rear. Does it spin up quicker vs has more bite in the tire?
So lemme try to explain it to you if you had a 15 tooth front and a 52 tooth back it would be around 3:1 ratio which means the front sprocket has to do 3 revolutions to get the back sprocket/tire to spin once and if you switched the back to a 64 it would go slower and 20 front would be faster and same with the front sprocket
And you shouldent change the front sprocket larger then 15 tooth or even lower
A smaller front sprocket will wear the chain a bit quicker than stock but you’ll get pokier acceleration and maybe 10% less top speed. You’ll wear the tyres a bit faster with the acceleration improvement and drink more fuel.
You contradicted yourself , if a bigger rear raises gear ratio, which I know it does . You said adding one tooth to the front is the same as adding three teeth to the rear ? it's driving me crazy I've been trying to find a simple explanation all night on the web .