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Another gearing question  RSS Feed

#1 2014-05-15 9:24am

Bmx Cynthia
Pro Memberthebigg36
From: oklahoma city
Registered: 2014-02-13
Posts: 1378

Another gearing question

I have 44/16 gearing

I want to go lower

I want to retain my OG sprocket

Will taking my freewheel to 17 have the same effect as dropping the sprocket to 43?

Will this noticeably lower my gearing?

thanks

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#2 2014-05-15 10:37am

IPD
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From: Dangerous independant thinking
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Re: Another gearing question

No.

Pull out a calculator and do simple math.  Adding a tooth to the freewheel has a MUCH BIGGER effect than subtracting a tooth from the sprocket.  It's more on the order of subtracting 3-4 teeth from the sprocket.


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#3 2014-05-15 11:25am

Bmx Cynthia
Pro Memberthebigg36
From: oklahoma city
Registered: 2014-02-13
Posts: 1378

Re: Another gearing question

IPD wrote:

No.

Pull out a calculator and do simple math.  Adding a tooth to the freewheel has a MUCH BIGGER effect than subtracting a tooth from the sprocket.  It's more on the order of subtracting 3-4 teeth from the sprocket.

You really need to seek help for this bad mood hateful thing. You're not your avatar

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#4 2014-05-15 11:36am

IPD
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From: Dangerous independant thinking
Registered: 2011-08-13
Posts: 7187
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Re: Another gearing question

thebigg36 wrote:

IPD wrote:

No.

Pull out a calculator and do simple math.  Adding a tooth to the freewheel has a MUCH BIGGER effect than subtracting a tooth from the sprocket.  It's more on the order of subtracting 3-4 teeth from the sprocket.

You really need to seek help for this bad mood hateful thing. You're not your avatar

I gave you my help.  You clearly want me to push buttons on a calculator FOR you.  The answer to your question could have been achieved in about 15 seconds via google-fu.

I don't hate you.  I don't hate anyone.  I have a low tolerance for lazy/stupid.


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#5 2014-05-16 1:39am

bazookajonn
Centurion Member
From: Davenport IA
Registered: 2011-03-26
Posts: 203

Re: Another gearing question

1 tooth on rear = 2 1/2 in front. 44-17 = 41.5-16


#sed-a-give!!??

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#6 2014-05-16 9:21am

cmb
Pro MemberTexan by birth, Scottish by drink
From: Texas
Registered: 2010-07-14
Posts: 3128
Bikes: 8

Re: Another gearing question

It is a ratio issue.  Divide the front sprocket tooth number by the freewheel tooth number.  The lower the ratio number, the easier it will be to pedal.  However, it will be much slower because the rear wheel will completing fewer revolutions per 1 revolution of the cranks.

44 divided by 16 = 2.75. 

Dropping the front to a 43 (43/16) would give a ratio of 2.69   

Changing your freewheel to a 17t and keeping the 44t would give a ratio of 2.59

To get an equivalent front sprocket with a 16t, multiply 16 by the wanted ratio 16*2.59 =41.44

If you want to keep the front sprocket and go to an 18t freewheel, your ratio would be 2.44




What exactly do you mean by wanting a lower gear?


Just your typical Aggie Hutch owner. Gig'em.

Never trust a man that doesn't know what beer tastes like or wears more than two rings.

I usually edit for my grammar mistakes.

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#7 2014-05-16 10:21am

Bmx Cynthia
Pro Memberthebigg36
From: oklahoma city
Registered: 2014-02-13
Posts: 1378

Re: Another gearing question

Thanks. I found a page on profile's website that explained it all pretty well. Just lower geared. My neighborhood is very hilly and I'm too old to be "hauling ass" anyway

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#8 2014-05-16 10:36am

cmb
Pro MemberTexan by birth, Scottish by drink
From: Texas
Registered: 2010-07-14
Posts: 3128
Bikes: 8

Re: Another gearing question

Yes, but I did a much better job explaining gear ratios. lol

Last edited by cmb (2014-05-16 10:37am)


Just your typical Aggie Hutch owner. Gig'em.

Never trust a man that doesn't know what beer tastes like or wears more than two rings.

I usually edit for my grammar mistakes.

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#9 2014-05-16 11:23am

IPD
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From: Dangerous independant thinking
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Re: Another gearing question

Spoon feeding.  meh.


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#10 2014-05-16 11:25am

cmc
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From: Austin, TX
Registered: 2009-05-05
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Re: Another gearing question

http://www.profileracing.com/tech/gear-inch-chart/

http://i255.photobucket.com/albums/hh138/upsetbmx/WhatGearRatio.jpg

Last edited by cmc (2014-05-16 11:26am)


20", 22", 24", 26", and 700c !

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#11 2014-05-16 11:36am

cmb
Pro MemberTexan by birth, Scottish by drink
From: Texas
Registered: 2010-07-14
Posts: 3128
Bikes: 8

Re: Another gearing question

IPD wrote:

Spoon feeding.  meh.

The 1st part of my post was for anyone who needed the information, not just one person.  I gave examples to make it easier to understand. wink

I do share your sentiments, though with people who ask basic questions that they could find the answers in 10 seconds or less.  So, I understand your posts.

Last edited by cmb (2014-05-16 11:39am)


Just your typical Aggie Hutch owner. Gig'em.

Never trust a man that doesn't know what beer tastes like or wears more than two rings.

I usually edit for my grammar mistakes.

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#12 2014-05-16 11:54am

IPD
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From: Dangerous independant thinking
Registered: 2011-08-13
Posts: 7187
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Re: Another gearing question

It's not even google.  The answers exist on here.  I've posted in those threads, ffs.


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#13 2014-05-16 12:32pm

cmb
Pro MemberTexan by birth, Scottish by drink
From: Texas
Registered: 2010-07-14
Posts: 3128
Bikes: 8

Re: Another gearing question

IPD wrote:

It's not even google.  The answers exist on here.  I've posted in those threads, ffs.

I hear you and agree with you.


http://bmxmuseum.com/forums/viewtopic.php?id=528999
http://bmxmuseum.com/forums/viewtopic.php?id=533800
http://bmxmuseum.com/forums/viewtopic.php?id=533196

Last edited by cmb (2014-05-16 12:35pm)


Just your typical Aggie Hutch owner. Gig'em.

Never trust a man that doesn't know what beer tastes like or wears more than two rings.

I usually edit for my grammar mistakes.

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#14 2014-05-16 8:14pm

GasGuzzler
Intermediate
From: Cooke County, TX
Registered: 2014-05-06
Posts: 451
Bikes: 8

Re: Another gearing question

...and it seems without explanation one could figure basic ratio differences with common sense but we're in the now times where people would rather ask than think.  That  being said people need to welcome questions by nearly anyone that wants to LEARN.  I mean LEARN not just be told. 

This:

"It is a ratio issue.  Divide the front sprocket tooth number by the freewheel tooth number.  The lower the ratio number, the easier it will be to pedal.  However, it will be much slower because the rear wheel will completing fewer revolutions per 1 revolution of the cranks.

44 divided by 16 = 2.75.

Dropping the front to a 43 (43/16) would give a ratio of 2.69   

Changing your freewheel to a 17t and keeping the 44t would give a ratio of 2.59

To get an equivalent front sprocket with a 16t, multiply 16 by the wanted ratio 16*2.59 =41.44

If you want to keep the front sprocket and go to an 18t freewheel, your ratio would be 2.44"





is by far the easierest, simplerest, most efficient way to TEACH the THEORY.  Wait....it's not a theory it's simple math.


Swap Meet Sucker

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#15 2014-05-16 10:22pm

billyhandyjunior
Pro MemberEvery day is a gift!
From: Freeport, NY
Registered: 2013-11-30
Posts: 7921
Bikes: 14

Re: Another gearing question

GasGuzzler wrote:

...and it seems without explanation one could figure basic ratio differences with common sense but we're in the now times where people would rather ask than think.  That  being said people need to welcome questions by nearly anyone that wants to LEARN.  I mean LEARN not just be told. 

This:

"It is a ratio issue.  Divide the front sprocket tooth number by the freewheel tooth number.  The lower the ratio number, the easier it will be to pedal.  However, it will be much slower because the rear wheel will completing fewer revolutions per 1 revolution of the cranks.

44 divided by 16 = 2.75.

Dropping the front to a 43 (43/16) would give a ratio of 2.69   

Changing your freewheel to a 17t and keeping the 44t would give a ratio of 2.59

To get an equivalent front sprocket with a 16t, multiply 16 by the wanted ratio 16*2.59 =41.44

If you want to keep the front sprocket and go to an 18t freewheel, your ratio would be 2.44"





is by far the easierest, simplerest, most efficient way to TEACH the THEORY.  Wait....it's not a theory it's simple math.

Well said!!

Cmb: great explanation

smile


"Change your thoughts and you change your world." - Norman Vincent Peale

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#16 2014-05-16 10:35pm

Bmx Cynthia
Pro Memberthebigg36
From: oklahoma city
Registered: 2014-02-13
Posts: 1378

Re: Another gearing question

IPD wrote:

It's not even google.  The answers exist on here.  I've posted in those threads, ffs.

Dude. You're really getting creepy like you're stalking people. Don't like my questions or posts, scroll on by. If you're that traumatized over all this you're pathetic and should seek help. I get the whole, you're the self appointed inner circle at the bmx message board, but at this point you're pretty much just engaging in harassment. Frankly it's pathetic

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#17 2014-05-16 10:53pm

IPD
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From: Dangerous independant thinking
Registered: 2011-08-13
Posts: 7187
Bikes: 3
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Re: Another gearing question

thebigg36 wrote:

IPD wrote:

It's not even google.  The answers exist on here.  I've posted in those threads, ffs.

Dude. You're really getting creepy like you're stalking people. Don't like my questions or posts, scroll on by. If you're that traumatized over all this you're pathetic and should seek help. I get the whole, you're the self appointed inner circle at the bmx message board, but at this point you're pretty much just engaging in harassment. Frankly it's pathetic

Speak for yourself.  Where I come from, banal & stupid forum questions are openly ridiculed with a "USE THE SEARCH FUNCTION, NOOB" response.  So not only did you NOT do that, (or google) you couldn't be bothered to use a calculator--or even a pencil/paper.

Why does it bother me so much?  Because you're the epitome of everything that's wrong with the USA; you want it, you want it NOW, and you want it SPOON FED.  Most of all, you don't want to WORK for it by putting in even a token amount of effort.  No wonder entitlements are skyrocketing higher each year.

If that's "harassment" fine.  You can do something about it--you can start learning how to use the search function.  People like you who exhibit no desire for self-improvement--only a demand for immediate gratification--sicken me.


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#18 2014-05-16 11:03pm

Bmx Cynthia
Pro Memberthebigg36
From: oklahoma city
Registered: 2014-02-13
Posts: 1378

Re: Another gearing question

Get off your high horse. Sometimes the whole number going up or down corresponds to higher or lower gearing gets confusing. And nothing screams pathetic online quite like "noob". This isn't 1998 anymore. "Mastery of the message board" doesn't pick up chicks quite like it used to. Just another message board and you're just another self appointed guardian of interweb purity. Sail by my posts. You're stalking me and harassing me

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#19 2014-05-16 11:11pm

Bmx Cynthia
Pro Memberthebigg36
From: oklahoma city
Registered: 2014-02-13
Posts: 1378

Re: Another gearing question

The reason the ratios in relation to higher or lower gear got confusing to me was too often its relation to gear inches or roll out is adequately explained. Once that clicks and you see that a 44/17 ratio propels you a shorter distance than a 44/16 does it becomes clear. 2.59 is a lower gear than 2.75. Which is confusing because a 4:11 gear in a car is a lower gear than a 3:75. See? Not everyone's a math major.

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#20 2014-05-17 12:13am

IPD
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From: Dangerous independant thinking
Registered: 2011-08-13
Posts: 7187
Bikes: 3
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Re: Another gearing question

thebigg36 wrote:

The reason the ratios in relation to higher or lower gear got confusing to me was too often its relation to gear inches or roll out is adequately explained. Once that clicks and you see that a 44/17 ratio propels you a shorter distance than a 44/16 does it becomes clear. 2.59 is a lower gear than 2.75. Which is confusing because a 4:11 gear in a car is a lower gear than a 3:75. See? Not everyone's a math major.

Because you're reading it backwards--at least if you're trying to use car terminology.  If you want to think in car terms, the ratio is how many times the back wheel rotates for 1 rotation of the sprocket.

It's really not difficult to understand if you've ever owned a 10-speed bike.  If you have, then you know that a bigger sprocket requires more effort but goes faster--and the same is true of the freewheel/cog.  It's NOT a 1:1 ratio though.

P.S.
Don't take it personally.  I'm going to razz on anyone who doesn't put in a modicum of effort.

http://adventure.howstuffworks.com/outd … cycle4.htm


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#21 2014-05-17 3:33am

billyhandyjunior
Pro MemberEvery day is a gift!
From: Freeport, NY
Registered: 2013-11-30
Posts: 7921
Bikes: 14

Re: Another gearing question

Numerator
Denominator
Division
Ratios

Gearing is a great math lesson.

Math is FUN!!! I geek out on the Khan Academy website from time to time. Knowledge is power.

Maybe we could try to be slow to reprove each other's faults. smile


"Change your thoughts and you change your world." - Norman Vincent Peale

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#22 2014-05-17 3:40am

gordy
Pro Member
From: Australia
Registered: 2010-06-05
Posts: 1221
Bikes: 65

Re: Another gearing question

Just use this gear chart.

http://bmxultra.com/gear-chart/


"Gordy - Midschool Cool" on Facebook

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#23 2014-05-17 1:03pm

cmc
Pro Member
From: Austin, TX
Registered: 2009-05-05
Posts: 3640
Bikes: 8
For Sale: 1

Re: Another gearing question

What gear ratio should I run on my Unicycle in order to play Unicycle Football? *  wink   wink   wink   wink   wink 

http://smmercury.com/wp-content/uploads/2011/03/unicycle1.jpg
http://smmercury.com/2011/03/30/unicycle-underdogs/




http://www.marcellobrivio.com/tumblr/bike-gear-ratio.png

http://www.cycling360media.com/wp-content/uploads/2012/10/gears.jpg

* i don't play unicycle football.... a unicycle doesn't have a gear "ratio." because "ratio" means relationship of two things.  on a unicyle, one full crank rotation of your feet means one full crank rotation of the wheel.  that is why a 24" wheel unicycle is harder to pedal than a 12" clown unicycle.  or a little kid's tricycle.  note how easy it is for them to do one crank rotation, but they don't go very far?
http://www.harborfreight.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/i/m/image_21275.jpg


NOW... let's say instead of 1:1 ratio (one crank turn = one wheel turn) there was a way for you to get more wheel turns out of one crank rotation.... THAT is what ratio means.  if your front sprocket is double the size of the rear sprocket, it means one rotation of your feet spins the rear wheel twice.  that's a 2:1 ratio.   a 2:1 ratio with 20" wheels is verrrry easy to pedal (because of the wheel size).  but a 2:1 ratio with 26" wheels is pretty typical in cross country mountain biking.     hope that helps..............

Last edited by cmc (2014-05-17 1:31pm)


20", 22", 24", 26", and 700c !

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#24 2014-05-17 10:21pm

IPD
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From: Dangerous independant thinking
Registered: 2011-08-13
Posts: 7187
Bikes: 3
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Re: Another gearing question

Unicycle's don't have gear ratios? wink
http://www.yoyoguy.com/php/gif.php?imagenum=12085&resolution=images_medium


Those who dislike Israel are in favor of Jewish and Kurdish Genocide.  It's that simple.

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#25 2014-05-18 4:30am

rcsnipe2000
Pro Member
From: La Porte ,TX
Registered: 2006-11-25
Posts: 12314
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Re: Another gearing question

big36, welcome to the site.

i dont think ipd was comming out the gate on ya, you asked, he answered and he even gave another 2 cents.

some members are blunt in reply, yet have a sense of humor. lighten up, ipd is no self apointed anything around here and is one of the good guys. he is no stalker eitha.

just relax and enjoy the site. it gives ya skin time to thicken up a bit.

rc


I sell used parts! If you are looking for nos or dead mint parts, dont buy from me. If you are looking for used, usable parts. Im the guy ya want to buy from.

WILL TRADE FOR

snafu mobus or simular gyro , gold, red,or blue, sealed threadless headset gold, red, anno chain tensioners red, gold, or blue, anno v brakes gold or red, anno u brakes blue,gold, or red anno colored spoke nipples gold, red, or blue

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