Bmx help??

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JakeRokjer

Vital BMX member JakeRokjer
107822 JakeRokjer /images/default/avatar/c50.png http://www.vitalbmx.com/community/JakeRokjer,107822/all 09/01/13 1 1

Posts: 2

Joined: 9/1/2013

Location: Cropseyville, NY USA

9/1/2013 12:49 PM

So I have a 2013 viper x. I wanted to put a new sprocket on it so I did. I bought a 25t and put it on. My stock setup was 44/16 so now I'm running a 25/16 when I should be running a 25/9 correct? What do smaller sprockets do? What are the benefits? If I need to get a 9t rear how should I do that, would I have to buy a whole new cassette?

zachkrejmas

Vital BMX member zachkrejmas
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Posts: 428

Joined: 1/21/2013

Location: Long Beach, CA USA

9/1/2013 1:43 PM
Edited Date/Time: 9/1/2013 1:51 PM

Yup! Now that you've upgraded your front sprocket to a smaller size, you now need to get a smaller back driver to accommodate that change. The mechanical details are a little hard to explain, but just know that that smaller your front sprocket is, the smaller your rear cog/driver needs to be, otherwise you'll be pedaling hard and going nowhere, looking like a hamster in a wheel-cage.

The benefits of a smaller sprocket include a little weight loss, as well as more clearance when doing various grinds or lip tricks (so your sprocket doesn't hit the coping, ledge or rail).

To my knowledge, if you don't already have a cassette, then you're going to have to buy an entire new rear hub (cassette) in order to have the 9-tooth driver. I believe the smallest cog you can get for a non-cassette hub would be about a 12 or 13 tooth, allowing you to run a 33 or 36 tooth sprocket up front.

Check out our product guide where you can find info like this on all bike parts!!!

http://www.vitalbmx.com/product/category/Sprockets,11

Just click where it says "How To Choose a BMX Sprocket" to get more detailed answers to your questions.

JakeRokjer

Vital BMX member JakeRokjer
107822 JakeRokjer /images/default/avatar/c50.png http://www.vitalbmx.com/community/JakeRokjer,107822/all 09/01/13 1 1

Posts: 2

Joined: 9/1/2013

Location: Cropseyville, NY USA

9/1/2013 2:19 PM

Ok thanks! I've been riding away from home for this weekend and it sucks because like you said ill be pedaling a lot without getting anywhere. I'm just gonna throw the old 44t on til I get a 9t cassette!

crazyclark

Vital BMX member crazyclark
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Posts: 675

Joined: 8/2/2013

Location: Helendale, CA USA

9/2/2013 8:04 PM

JakeRokjer wrote:

Ok thanks! I've been riding away from home for this weekend and it sucks because like you said ill be pedaling a lot without getting anywhere. I'm just gonna throw the old 44t on til I get a 9t cassette!

have fun out there and be safe!

This week's Sweet Shoutout goes to: biggybuggy!

crazyclark

Vital BMX member crazyclark
107313 crazyclark http://p.vitalbmx.com/photos/users/107313/avatar/c50_clark_1389568022.jpg?1389567611 http://www.vitalbmx.com/community/crazyclark,107313/all 08/02/13 1 94 581

Posts: 675

Joined: 8/2/2013

Location: Helendale, CA USA

9/2/2013 8:04 PM

zachkrejmas wrote:

Yup! Now that you've upgraded your front sprocket to a smaller size, you now need to get a smaller back driver to accommodate that change. The mechanical details are a little hard to explain, but just know that that smaller your front sprocket is, the smaller your rear cog/driver needs to be, otherwise you'll be pedaling hard and going nowhere, looking like a hamster in a wheel-cage.

The benefits of a smaller sprocket include a little weight loss, as well as more clearance when doing various grinds or lip tricks (so your sprocket doesn't hit the coping, ledge or rail).

To my knowledge, if you don't already have a cassette, then you're going to have to buy an entire new rear hub (cassette) in order to have the 9-tooth driver. I believe the smallest cog you can get for a non-cassette hub would be about a 12 or 13 tooth, allowing you to run a 33 or 36 tooth sprocket up front.

Check out our product guide where you can find info like this on all bike parts!!!

http://www.vitalbmx.com/product/category/Sprockets,11

Just click where it says "How To Choose a BMX Sprocket" to get more detailed answers to your questions.

THIS is why you get the sweet shoutout. excellent, time-taken advice, mr. krejmas

This week's Sweet Shoutout goes to: biggybuggy!

Sharpy

Vital BMX member Sharpy
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Posts: 1169

Joined: 7/17/2012

Location: In big hills., AUS

10/3/2013 3:15 AM

zachkrejmas wrote:

Yup! Now that you've upgraded your front sprocket to a smaller size, you now need to get a smaller back driver to accommodate that change. The mechanical details are a little hard to explain, but just know that that smaller your front sprocket is, the smaller your rear cog/driver needs to be, otherwise you'll be pedaling hard and going nowhere, looking like a hamster in a wheel-cage.

The benefits of a smaller sprocket include a little weight loss, as well as more clearance when doing various grinds or lip tricks (so your sprocket doesn't hit the coping, ledge or rail).

To my knowledge, if you don't already have a cassette, then you're going to have to buy an entire new rear hub (cassette) in order to have the 9-tooth driver. I believe the smallest cog you can get for a non-cassette hub would be about a 12 or 13 tooth, allowing you to run a 33 or 36 tooth sprocket up front.

Check out our product guide where you can find info like this on all bike parts!!!

http://www.vitalbmx.com/product/category/Sprockets,11

Just click where it says "How To Choose a BMX Sprocket" to get more detailed answers to your questions.

I second this.

What type of hub do you have?

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