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RADBMX.CO.UK  |  New School BMX 2004 - Now  |  New School Racing  |  Individual Gear Charts
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Author Topic: Individual Gear Charts  (Read 5211 times)

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Lee Shurey

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Individual Gear Charts
« on: September 07, 2008, 11:43 PM »
Gear chart info would be a good one for the mod's to make a sticky  :daumenhoch:
http://www.crupibmx.com/downloads.htm

Offline Stodgy

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Re: Individual Gear Charts
« Reply #1 on: September 08, 2008, 08:20 AM »
Sticky stuck.

 :daumenhoch:

Moschops

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Re: Individual Gear Charts
« Reply #2 on: September 08, 2008, 07:43 PM »

Diego

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Re: Individual Gear Charts
« Reply #3 on: September 10, 2008, 09:59 PM »
What do the gearing results mean

Moschops

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Re: Individual Gear Charts
« Reply #4 on: September 12, 2008, 10:53 PM »
The roll out is the distance in inches your bike will travel after one crank revolution.
In my experiance a roll out of 50-53 inches is ideal for BMX racing, however that opinion will be a can of worms.....

Lets see the gearing argument begging:LolLolLolLol:


« Last Edit: September 17, 2008, 10:56 PM by Moschops »

webbwood

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Re: Individual Gear Charts
« Reply #5 on: October 27, 2008, 06:03 PM »
Hi try these chart.   The three top charts Give the ratio of front  to back sprockets.  The chats only cover 14,15 & 16 rear sprockets and 32 to 45 front.  If you only want to higher or lower your gearing go to the bottom chart and select the next higest or lowest.


16 tooth      15tooth      14tooth         
32      32      32   2.2851      
33      33   2.2   33   2.3571      
34      34   2.2666   34   2.4285      
35      35   2.3333   35   2.5      
36      36   2.4   36   2.5714      
37   2.3125   37   2.4666   37   2.6428      
38   2.3750   38   2.5333   38   2.7142      
39   2.4375   39   2.6   39   2.7857      
40   2.5   40   2.6666   40   2.8571      
41   2.565   41   2.7333   41   2.9285      
42   2.625   42   2.8   42   3      
43   2.6875   43   2.8666   43   3.0714      
44   2.75   44      44         
45   2.8125   45      45         



15   33   2.2         16   42   2.625      
15   34   2.2666         15   40   2.666      
14   32   2.2851         14   37   2.6428      
16   37   2.3125         16   43   2.6875      
15   35   2.3333         14   38   2.7142      
14   33   2.3571         15   41   2.7333      
16   38   2.3750         16   44   2.75      
15   36   2.4         14   39   2.7857      
14   34   2.4285         15   42   2.8      
16   39   2.4375   12.525      16   45   2.8125      
15   37   2.4666         14   40   2.8751      
14   35   2.5         15   43   2.8666      
16   40   2.5   12.846      14   41   2.9285      
15   38   2.5333         14   42   3      
16   41   2.565         14   43   3.071      
14   36   2.5714                     
15   37   2.6                     



webbwood

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Re: Individual Gear Charts
« Reply #6 on: October 27, 2008, 06:07 PM »
Hi sorry was ok untill I posted the item then it was nfg.  If you let me have your email I will send it.

Offline Humps00

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Re: Individual Gear Charts
« Reply #7 on: February 01, 2009, 07:19 PM »
The newer 1.95 tyres aren't covered by most of the gear calculators.  But this one was pointed out to me on Talk and seems sound http://www.badasstoys.com/chandler/chandler_gear_calculator.htm The diameter of a 24 x 1.95 is 23.9" so a few plays and you'll be matching existing ratios when you use them, eg. Kenda Small Block 8s, Intense Knobblies.  Humps
« Last Edit: February 03, 2009, 06:05 PM by Humps00 »

Offline berndott

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Re: Individual Gear Charts
« Reply #8 on: May 12, 2009, 08:15 PM »
here a complete gear chart


RADBMX.CO.UK  |  New School BMX 2004 - Now  |  New School Racing  |  Individual Gear Charts
 

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