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Changing fixig rear cog from 16t to 19t


Will an 1/8' chain and cogs wear slower than 3/32' chain and cogs for single speed / fixed gear setup?How do I change my single-speed to a fixed gear?Is it ok to use fixed gear threads for a freewheel?Planning on building a fixed-gear/single-speed from an old Schwinn World. What new parts will I need?Do I have all needed for flip flop swapMore or less skid patches for winter tires?Does chain tension change how hard/easy it is to pedal?Convert fixed side of flip flop hub to freewheelSkidding/skipping a fixie with ratio 48/16Should I get a smaller chainring or bigger cog?Finding compatible fixed-gear cog and lockring













2















I have a single speed with 48/16 ratio with flip-flop wheel.



I'm considering to change fixie cog to 19t, as it is easier to skit and has more skid patches.



Will I need to enlarge my chain too?










share|improve this question






















  • Depending on your bike, it may be easier to change the chain ring than the rear cogs. A change from 16 to 19 for the rear cog is a fair change to your gearing. It will make climbing easier and your top speed lower. That might be good or it might be bad. A change to the chain ring could make a smaller change to your gearing, and if you get an odd number of teeth you get 16 skid patches.

    – Ross Millikan
    May 5 at 14:04











  • If you use the flip flop ability, don’t accidentally make the chain too long for the freewheel cog. Might be another reason to change the chainring (plateau de vélo) instead

    – Swifty
    May 5 at 19:42















2















I have a single speed with 48/16 ratio with flip-flop wheel.



I'm considering to change fixie cog to 19t, as it is easier to skit and has more skid patches.



Will I need to enlarge my chain too?










share|improve this question






















  • Depending on your bike, it may be easier to change the chain ring than the rear cogs. A change from 16 to 19 for the rear cog is a fair change to your gearing. It will make climbing easier and your top speed lower. That might be good or it might be bad. A change to the chain ring could make a smaller change to your gearing, and if you get an odd number of teeth you get 16 skid patches.

    – Ross Millikan
    May 5 at 14:04











  • If you use the flip flop ability, don’t accidentally make the chain too long for the freewheel cog. Might be another reason to change the chainring (plateau de vélo) instead

    – Swifty
    May 5 at 19:42













2












2








2








I have a single speed with 48/16 ratio with flip-flop wheel.



I'm considering to change fixie cog to 19t, as it is easier to skit and has more skid patches.



Will I need to enlarge my chain too?










share|improve this question














I have a single speed with 48/16 ratio with flip-flop wheel.



I'm considering to change fixie cog to 19t, as it is easier to skit and has more skid patches.



Will I need to enlarge my chain too?







road-bike fixed-gear






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked May 5 at 10:40









dimbadimba

1516




1516












  • Depending on your bike, it may be easier to change the chain ring than the rear cogs. A change from 16 to 19 for the rear cog is a fair change to your gearing. It will make climbing easier and your top speed lower. That might be good or it might be bad. A change to the chain ring could make a smaller change to your gearing, and if you get an odd number of teeth you get 16 skid patches.

    – Ross Millikan
    May 5 at 14:04











  • If you use the flip flop ability, don’t accidentally make the chain too long for the freewheel cog. Might be another reason to change the chainring (plateau de vélo) instead

    – Swifty
    May 5 at 19:42

















  • Depending on your bike, it may be easier to change the chain ring than the rear cogs. A change from 16 to 19 for the rear cog is a fair change to your gearing. It will make climbing easier and your top speed lower. That might be good or it might be bad. A change to the chain ring could make a smaller change to your gearing, and if you get an odd number of teeth you get 16 skid patches.

    – Ross Millikan
    May 5 at 14:04











  • If you use the flip flop ability, don’t accidentally make the chain too long for the freewheel cog. Might be another reason to change the chainring (plateau de vélo) instead

    – Swifty
    May 5 at 19:42
















Depending on your bike, it may be easier to change the chain ring than the rear cogs. A change from 16 to 19 for the rear cog is a fair change to your gearing. It will make climbing easier and your top speed lower. That might be good or it might be bad. A change to the chain ring could make a smaller change to your gearing, and if you get an odd number of teeth you get 16 skid patches.

– Ross Millikan
May 5 at 14:04





Depending on your bike, it may be easier to change the chain ring than the rear cogs. A change from 16 to 19 for the rear cog is a fair change to your gearing. It will make climbing easier and your top speed lower. That might be good or it might be bad. A change to the chain ring could make a smaller change to your gearing, and if you get an odd number of teeth you get 16 skid patches.

– Ross Millikan
May 5 at 14:04













If you use the flip flop ability, don’t accidentally make the chain too long for the freewheel cog. Might be another reason to change the chainring (plateau de vélo) instead

– Swifty
May 5 at 19:42





If you use the flip flop ability, don’t accidentally make the chain too long for the freewheel cog. Might be another reason to change the chainring (plateau de vélo) instead

– Swifty
May 5 at 19:42










1 Answer
1






active

oldest

votes


















6














Very likely, yes.



Your cog is 3 teeth larger, so the chain will need to be 1.5 halflinks longer which rounds to 2 half or 1 full link, OR you may be able to move your wheel forward if you have trackends instead of dropouts.



If you can't get the wheel further forward, then you will definitely require more links in the chain. Given you're changing cog its probably worth fitting a new chain anyway, and consider upgrading to 1/8" if you're using 3/32" now.




I note that 48/16 gives you exactly one skid patch, or two if you can use both legs. 48/19 will give you 19 skid patches, so that will help on tyre wear.



https://www.bikecalc.com/skid_patch_calculator is helpful for these kind of calculations.






share|improve this answer


















  • 3





    A noob question, why I would want to move 1/8"?

    – dimba
    May 5 at 12:47











  • @dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

    – Criggie
    May 6 at 7:57











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









6














Very likely, yes.



Your cog is 3 teeth larger, so the chain will need to be 1.5 halflinks longer which rounds to 2 half or 1 full link, OR you may be able to move your wheel forward if you have trackends instead of dropouts.



If you can't get the wheel further forward, then you will definitely require more links in the chain. Given you're changing cog its probably worth fitting a new chain anyway, and consider upgrading to 1/8" if you're using 3/32" now.




I note that 48/16 gives you exactly one skid patch, or two if you can use both legs. 48/19 will give you 19 skid patches, so that will help on tyre wear.



https://www.bikecalc.com/skid_patch_calculator is helpful for these kind of calculations.






share|improve this answer


















  • 3





    A noob question, why I would want to move 1/8"?

    – dimba
    May 5 at 12:47











  • @dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

    – Criggie
    May 6 at 7:57















6














Very likely, yes.



Your cog is 3 teeth larger, so the chain will need to be 1.5 halflinks longer which rounds to 2 half or 1 full link, OR you may be able to move your wheel forward if you have trackends instead of dropouts.



If you can't get the wheel further forward, then you will definitely require more links in the chain. Given you're changing cog its probably worth fitting a new chain anyway, and consider upgrading to 1/8" if you're using 3/32" now.




I note that 48/16 gives you exactly one skid patch, or two if you can use both legs. 48/19 will give you 19 skid patches, so that will help on tyre wear.



https://www.bikecalc.com/skid_patch_calculator is helpful for these kind of calculations.






share|improve this answer


















  • 3





    A noob question, why I would want to move 1/8"?

    – dimba
    May 5 at 12:47











  • @dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

    – Criggie
    May 6 at 7:57













6












6








6







Very likely, yes.



Your cog is 3 teeth larger, so the chain will need to be 1.5 halflinks longer which rounds to 2 half or 1 full link, OR you may be able to move your wheel forward if you have trackends instead of dropouts.



If you can't get the wheel further forward, then you will definitely require more links in the chain. Given you're changing cog its probably worth fitting a new chain anyway, and consider upgrading to 1/8" if you're using 3/32" now.




I note that 48/16 gives you exactly one skid patch, or two if you can use both legs. 48/19 will give you 19 skid patches, so that will help on tyre wear.



https://www.bikecalc.com/skid_patch_calculator is helpful for these kind of calculations.






share|improve this answer













Very likely, yes.



Your cog is 3 teeth larger, so the chain will need to be 1.5 halflinks longer which rounds to 2 half or 1 full link, OR you may be able to move your wheel forward if you have trackends instead of dropouts.



If you can't get the wheel further forward, then you will definitely require more links in the chain. Given you're changing cog its probably worth fitting a new chain anyway, and consider upgrading to 1/8" if you're using 3/32" now.




I note that 48/16 gives you exactly one skid patch, or two if you can use both legs. 48/19 will give you 19 skid patches, so that will help on tyre wear.



https://www.bikecalc.com/skid_patch_calculator is helpful for these kind of calculations.







share|improve this answer












share|improve this answer



share|improve this answer










answered May 5 at 11:04









CriggieCriggie

46.5k578158




46.5k578158







  • 3





    A noob question, why I would want to move 1/8"?

    – dimba
    May 5 at 12:47











  • @dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

    – Criggie
    May 6 at 7:57












  • 3





    A noob question, why I would want to move 1/8"?

    – dimba
    May 5 at 12:47











  • @dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

    – Criggie
    May 6 at 7:57







3




3





A noob question, why I would want to move 1/8"?

– dimba
May 5 at 12:47





A noob question, why I would want to move 1/8"?

– dimba
May 5 at 12:47













@dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

– Criggie
May 6 at 7:57





@dimba that's a separate question, somewhat answered in bicycles.stackexchange.com/questions/14353 Basically 1/8" is thicker and stronger, less chance of breaking under a decent braking load, and fixed gear bikes brake through the chain so you don't want it failing.

– Criggie
May 6 at 7:57

















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