What Sprockets Have You Used?? - Honda CBR500R Forum : CB500F and CB500X Forums
 
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post #1 of 10 (permalink) Old 10-14-2019, 05:17 AM Thread Starter
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Question What Sprockets Have You Used??

Hi all, first time poster and im sure this question has been asked before BUT...

What sprockets have we all used apart from the standard 15/41?? just seems a little excessive at near 5k revs at 100kmph/60mph. would love to drop that down abit, now i know it will lose a little down low but not overly worried about that... do i go a 16 on the front? maybe even 17 tooth? oorr 16 front with a 39 rear? its mainly a town ridden bike but will do some highway cruising.

im just looking for peoples opinions, as its my first road bike and dont know HEAPS about em. I have come from a life of riding dirt bikes and fast cars.

any input is greatly appreciated!!

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post #2 of 10 (permalink) Old 10-14-2019, 07:32 AM
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There are tons of threads on this.
Search "gearing up" or "16T" or "17T"

Most common is a 16T counter sprocket from what I've read, or at least it's the most talked about.

2014 CB500F White
16T counter sprocket
IXIL hyperlow slipon
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post #3 of 10 (permalink) Old 10-14-2019, 07:50 AM
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Welcome to the Forum. Upper Right of this page , just above this thread window.. "Custom Search".. Type in 16T or 17T sprocket change.. I'd suggest using the "VB Search" over the "Google Search". OR upper Left of this page,, Under "Forums".. "2013+ CBR500 Tech Section".. "Engine and Technical Discussion".. And Others.. you can view previously discussed topics at your leisure. Still have questions? Ask again.

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post #4 of 10 (permalink) Old 10-15-2019, 08:44 PM
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I just changed the front to a rubber center 16t jt. I put a 38 Vortex aluminum on the rear. Results: I no longer have to take off in second to get through the intersection without shifting and my top speed is about 20% higher than stock setup. I’m finally able to Keep up with the bigger bikes and get away from the cars on the local freeways. I’m in need of a speedo healer but I would guess I’m going above 90 @ 5000rpm in 5th gear. I can still pull the front end up with a good rev before popping the clutch
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post #5 of 10 (permalink) Old 10-16-2019, 09:04 AM
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I installed a 16 tooth JT Steel rubber cushioned sprocket on my 2018 CB500x. It fit perfectly, and made the gear range drop just enough. The JT sprocket fit perfectly, and was an easy change to make.
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post #6 of 10 (permalink) Old 10-22-2019, 07:14 PM
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16T Front Sprocket

Quote:
Originally Posted by DRIBBLE92 View Post
Hi all, first time poster and im sure this question has been asked before BUT...

What sprockets have we all used apart from the standard 15/41?? just seems a little excessive at near 5k revs at 100kmph/60mph. would love to drop that down abit, now i know it will lose a little down low but not overly worried about that... do i go a 16 on the front? maybe even 17 tooth? oorr 16 front with a 39 rear? its mainly a town ridden bike but will do some highway cruising.

im just looking for peoples opinions, as its my first road bike and dont know HEAPS about em. I have come from a life of riding dirt bikes and fast cars.

any input is greatly appreciated!!
Welcome Dribble, I can concur with the other posts that moving to a 16T front (retaining 39T rear) has made the bike much easy at slow speed take off and also helps when you're in the curves given that 4th and 5th now have longer legs. Together with adding mirror extenders (got tired of looking at my elbows) and a small PUIG screen this has been a great mod in terms of improving the overall riding enjoyment. FYI I'm a newbie as well - only been on the bike 6 months.
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post #7 of 10 (permalink) Old 10-23-2019, 11:40 PM
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The moment I first rode my new 2017 model, with standard 15/41 gearing, I knew a 16T countershaft sprocket was not going to get the job done. I fitted a 17T following instructions on this forum re how to lightly modify the case saver and the OEM chain worked fine. You just have to move the rear wheel forward to suit. If an 18T were made for the bike, and it would fit, I'd have that on. As it is, the 17 reduces rpm by about 600 at 60 mph indicated. Well worth the $33 for the sprocket from Sprocket Specialists and it makes longer rides at cruising speed more enjoyable. Adds to engine life also, I should think..

Ralph

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post #8 of 10 (permalink) Old Yesterday, 06:49 PM
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I'm still using the stock 15/41 T ratio, but as time for a chain replacement gets closer I'm thinking in just changing for a 39T rear sprocket, but probably preserving the front for not having any change in the odometer calibration (if there were no need to do it because of wear). The pro's for a rear smaller 39T are lower rpm range without loosing acceleration capability as possible.
In addition a lighter rear sproket made of alluminium or other material could gain some weight, I' thinking in some brands like Renthal that could have a replacement for our bikes. Does anybody knows about this items? I believe some people here has gone with the Honda NC 750 39T. Also in case of preserving the 41T rear think I've read that the new 2019 500's model has a lighter black 41T rear sprocket.
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post #9 of 10 (permalink) Old Yesterday, 10:54 PM
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Quote:
Originally Posted by PMB View Post
I'm still using the stock 15/41 T ratio, but as time for a chain replacement gets closer I'm thinking in just changing for a 39T rear sprocket, but probably preserving the front for not having any change in the odometer calibration (if there were no need to do it because of wear). The pro's for a rear smaller 39T are lower rpm range without loosing acceleration capability as possible.
In addition a lighter rear sproket made of alluminium or other material could gain some weight, I' thinking in some brands like Renthal that could have a replacement for our bikes. Does anybody knows about this items? I believe some people here has gone with the Honda NC 750 39T. Also in case of preserving the 41T rear think I've read that the new 2019 500's model has a lighter black 41T rear sprocket.
Any sprocket change will need speedometer correction.

2014 CB500F White
16T counter sprocket
IXIL hyperlow slipon
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post #10 of 10 (permalink) Old Today, 07:19 AM
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Quote:
Originally Posted by Slevin View Post
Any sprocket change will need speedometer correction.
Slevin, You're right of course. But my R3 and GSX250R both consistently show approx. 10% high on the speedometer, over actual road speed. While I don't like it, I'm aware of it, and simply adjust. My question.. Couldn't some sprocket changes actually help correct, for example, a bike as I described above? More importantly, what device do you recommend using to "correct" the discrepancies in speedometers, that I suspect are the norm.

To ride or not to ride? What a stupid question!... Anon
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