Bikes in the database !    

Select Units:

 

Setup   

Primary
Drive Ratio		 Rear Tire Size
Width / % / Rim		 Tire
 Circum-ference		 M.P.RPM Final Drive Ratio
Front / Rear		 Chain Pitch Chain links

Stock: // /

 

Current: // /

Custom: // /

1st Gear Ratio 2nd Gear Ratio 3rd Gear Ratio 4th Gear Ratio 5th Gear Ratio 6th Gear Ratio
/ / / / / /
  Speed in related to Gear and RPM in   Stock   Current   Custom Setup:

Enter minimum
 RPM ▬►
to display (help)

Speed 1st Gear
Speed 2nd Gear
Speed 3rd Gear
Speed 4th Gear
Speed 5th Gear
Speed 6th Gear

Top speed per gear for 49 sprocket combinations in    at M.P.RPM in Custom setup:

Enter gear to display
top speed of (help):

 

Custom Front sprocket
- 3

Custom Front sprocket
 - 2

 Custom
 Front
sprocket
- 1
 Custom Front sprocket
=
 Custom Front sprocket
+ 1
 Custom Front sprocket
+ 2
 Custom Front sprocket
+ 3

Custom Rear sprocket  -3

Custom Rear sprocket  -2

Custom Rear sprocket  -1

Custom Rear sprocket  = 
Custom Rear sprocket +1 
Custom Rear sprocket +2 
Custom Rear sprocket +3 

 

  RPM differences due to drive train setup changes:

    Enter custom
Speed (help):

 

StockFinal Drive Ratio

 /		 Current Final Drive Ratio

 /		 Custom Final Drive Ratio
    
/		 Difference 
Current
to Stock
in percent:

in RPM: 		Difference 
Custom
to Current
in percent:

in RPM: 		Difference 
Custom to Stock
in percent:
in RPM:
 RPM 1st Gear
 RPM 2nd Gear
RPM 3rd Gear
RPM 4th Gear
RPM 5th Gear
RPM 6th Gear

  Chain geometry changes due to sprocket & chain changes:

Chain
 (help)

 Stock
  chain &
  sprockets
 Current
  chain &
  sprockets
 Custom
  chain &
  sprockets
 Difference
(Current - Stock)
 		 Difference
(Custom - Current)
 		 Difference
(Custom - Stock)
Pitch 
Links 
Length 
Sprocket Distance 
                                                              

  Relative sprocket & chain wear due to drive train changes: (help)

    Same Tooth - Same Link (help)                             Tooth-Links contacts & Link-Teeth contacts (help)

Same
tooth-chain
 position every X chain rev's

Stock chain &
sprockets

Chain Rev's		 Current chain &
 sprokcets

Chain
Rev's		 Custom chain &
sprokcets

Chain
Rev's		  

Number  of
contacts
per

Stock chain &  sprockets

contacts		 Current chain &  sprockets

contacts		 Custom chain &
sprockets

contacts		 Difference
(Current - Stock)
%		  Difference
(Custom - Current)
%		  Difference
(Custom - Stock)
%

 Front 

  

 Front 

 Rear 

 

 Rear 

Both F&R 

 

Link 

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