Login or Register Photos ::  Forums ::  Your Account ::  Blogs 
Menu
 Home
 Classifieds
 Coaching
 Coaching Registry
 Content
 Contact Us
 Downloads
 FAQ
 Links
 Photos
 Product Reviews
 Twitter
 Velodrome Database
 Your Account
The Good Stuff
The Real Deal

iNtervalTunes - on iTunes

Track Coaches
Introducing the FixedGearFever
Coach Registry

We have 44
Premier Coach Listings!

Check out Chris Helwig
from London Ontario Canada!

For more information about our Premier Coach Listing
Click Here!

Survey
Social Media?

Facebook?
Twitter?
Google+?
Other?



Results
Polls

Votes: 75
Comments: 1
Help FGF!
Help keep FGF Going!
Make donations with PayPal!
Donat-o-Meter Stats

February´s Goal: $400.00
Due Date: Feb 29
Amount in: $0.00
Balance: $0.00
Left to go: $400.00

Donations
Login
Nickname

Password

Security Code: Security Code
Type Security Code

Don't have an account yet? You can create one. As a registered user you have some advantages like theme manager, comments configuration and post comments with your name.

FixedGearFever FAQ (Frequently Asked Questions)



Category: Main -> Gear Charts

Question
·  How long will a lap take at 24 mph?
·  In a 90 inch gear what is my leg speed at 30mph and at 35 mph
·  What gear is a little bigger than a 48x14?
·  What size gear is a 48x14?

Answer
·  How long will a lap take at 24 mph?

This should help you figure it out! All of the times are in seconds!

     
   KPH     MPH   1k Time 250 Lap 333 Lap 400 Lap
   29     18.1    2:04   31.03   41.38   49.66
   30     18.8    2:00   30.00   40.00   48.00
   31     19.4    1:56   29.03   38.71   46.45
   32     20.0    1:53   28.13   37.50   45.00
   33     20.6    1:49   27.27   36.36   43.64
   34     21.3    1:46   26.47   35.29   42.35
   35     21.9    1:43   25.71   34.29   41.14
   36     22.5    1:40   25.00   33.33   40.00
   37     23.1    1:37   24.32   32.43   38.92
   38     23.8    1:35   23.68   31.58   37.89
   39     24.4    1:32   23.08   30.77   36.92
   40     25.0    1:30   22.50   30.00   36.00
   41     25.6    1:28   21.95   29.27   35.12
   42     26.3    1:26   21.43   28.57   34.29
   43     26.9    1:24   20.93   27.91   33.49
   44     27.5    1:22   20.45   27.27   32.73
   45     28.1    1:20   20.00   26.67   32.00
   46     28.8    1:18   19.57   26.09   31.30
   47     29.4    1:17   19.15   25.53   30.64
   48     30.0    1:15   18.75   25.00   30.00
   49     30.6    1:13   18.37   24.49   29.39
   50     31.3    1:12   18.00   24.00   28.80
   51     31.9    1:11   17.65   23.53   28.24
   52     32.5    1:09   17.31   23.08   27.69
   53     33.1    1:08   16.98   22.64   27.17
   54     33.8    1:07   16.67   22.22   26.67
   55     34.4    1:05   16.36   21.82   26.18
   56     35.0    1:04   16.07   21.43   25.71
   57     35.6    1:03   15.79   21.05   25.26
   58     36.3    1:02   15.52   20.69   24.83
   59     36.9    1:01   15.25   20.34   24.41
   60     37.5    1:00   15.00   20.00   24.00
   61     38.1    0:59   14.75   19.67   23.61
   62     38.8    0:58   14.52   19.35   23.23
   63     39.4    0:57   14.29   19.05   22.86
   64     40.0    0:56   14.06   18.75   22.50
   65     40.6    0:55   13.85   18.46   22.15
   66     41.3    0:55   13.64   18.18   21.82
   67     41.9    0:54   13.43   17.91   21.49
   68     42.5    0:53   13.24   17.65   21.18
   69     43.1    0:52   13.04   17.39   20.87
   70     43.8    0:51   12.86   17.14   20.57
      
      

[ Back to Top ]

·  In a 90 inch gear what is my leg speed at 30mph and at 35 mph

While we could tell you, it would be easier to check out the Gear and Speed Spreadsheet in the downloads section!

Doing this saves us a lot of typing!

-fgf

[ Back to Top ]

·  What gear is a little bigger than a 48x14?

I believe the chart below will help you out!

  Ring    Cog      Gear        
   56      13      116.3    
   55      13      114.2    
   54      13      112.2    
   53      13      110.1    
   52      13      108.0    
   56      14      108.0    
   55      14      106.1    
   51      13      105.9    
   54      14      104.1    
   50      13      103.8    
   53      14      102.2    
   49      13      101.8    
   56      15      100.8    
   52      14      100.3    
   48      13      99.7     
   55      15      99.0     
   51      14      98.4     
   47      13      97.6     
   54      15      97.2     
   50      14      96.4     
   46      13      95.5     
   53      15      95.4     
   49      14      94.5     
   56      16      94.5     
   52      15      93.6     
   45      13      93.5     
   55      16      92.8     
   48      14      92.6     
   51      15      91.8     
   44      13      91.4     
   54      16      91.1     
   47      14      90.6     
   50      15      90.0     
   53      16      89.4     
   46      14      88.7     
   49      15      88.2     
   52      16      87.8     
   45      14      86.8     
   48      15      86.4     
   51      16      86.1     
   44      14      84.9     
   47      15      84.6     
   50      16      84.4     
   46      15      82.8     
   49      16      82.7     
   45      15      81.0     
   48      16      81.0     
   47      16      79.3     
   44      15      79.2     
   46      16      77.6     
   45      16      75.9     
   44      16      74.3     
      

[ Back to Top ]

·  What size gear is a 48x14?

Here is a pretty full gear chart! (based on a 27" wheel)

 	 38	 39	 40	 41	 42	 43	 44
12	85.5	87.8	90.0	92.3	94.5	96.8	99.0
13	78.9	81.0	83.1	85.2	87.2	89.3	91.4
14	73.3	75.2	77.1	79.1	81.0	82.9	84.9
15	68.4	70.2	72.0	73.8	75.6	77.4	79.2
16	64.1	65.8	67.5	69.2	70.9	72.6	74.3
17	60.4	61.9	63.5	65.1	66.7	68.3	69.9
18	57.0	58.5	60.0	61.5	63.0	64.5	66.0
19	54.0	55.4	56.8	58.3	59.7	61.1	62.5
20	51.3	52.7	54.0	55.4	56.7	58.1	59.4

	 45	 46	 47	 48	 49	 50	 51
12	101.3	103.5	105.8	108.0	110.3	112.5	114.8
13	93.5	95.5	97.6	99.7	101.8	103.8	105.9
14	86.8	88.7	90.6	92.6	94.5	96.4	98.4
15	81.0	82.8	84.6	86.4	88.2	90.0	91.8
16	75.9	77.6	79.3	81.0	82.7	84.4	86.1
17	71.5	73.1	74.6	76.2	77.8	79.4	81.0
18	67.5	69.0	70.5	72.0	73.5	75.0	76.5
19	63.9	65.4	66.8	68.2	69.6	71.1	72.5
20	60.8	62.1	63.5	64.8	66.2	67.5	68.9

	 52	 53	 54	 55	 56	 57	 58
12	117.0	119.3	121.5	123.8	126.0	128.3	130.5
13	108.0	110.1	112.2	114.2	116.3	118.4	120.5
14	100.3	102.2	104.1	106.1	108.0	109.9	111.9
15	93.6	95.4	97.2	99.0	100.8	102.6	104.4
16	87.8	89.4	91.1	92.8	94.5	96.2	97.9
17	82.6	84.2	85.8	87.4	88.9	90.5	92.1
18	78.0	79.5	81.0	82.5	84.0	85.5	87.0
19	73.9	75.3	76.7	78.2	79.6	81.0	82.4
20	70.2	71.6	72.9	74.3	75.6	77.0	78.3
Click here for quick printable copy!

[ Back to Top ]



Google
 
Our Sponsors
RIDE FAST!


Riding for a cause

5 Bling - You can wear them, too!

They may be old but they are faster than YOU!

Biking.com has cogs and cranks from All City and other top bike part manufacturers!
Find the Latest!
Indoor Trainer Question - Watt Bike or Cycleops 400 pro
2/03 @ 21:31 PST
Mavic Comete for sale
2/02 @ 18:08 PST
Raleigh Rush Hour Pro
2/02 @ 9:40 PST
Nationals 2012
2/02 @ 4:55 PST
Track Powertap SL+ wireless for sale
2/01 @ 20:19 PST
Jump to the Forums...
Friends of FGF
They may be old but they are faster than YOU!
Search FGF
Google