diff --git a/Controllers/LogitechController/LogitechG203Controller.cpp b/Controllers/LogitechController/LogitechG203Controller.cpp
index 5a3d87c2..c97618bc 100644
--- a/Controllers/LogitechController/LogitechG203Controller.cpp
+++ b/Controllers/LogitechController/LogitechG203Controller.cpp
@@ -51,7 +51,7 @@ void LogitechG203Controller::SendMouseMode
     usb_buf[0x07]           = green;
     usb_buf[0x08]           = blue;
 
-    speed = 1000 + 4750 * (LOGITECH_G203_SPEED_FASTEST - speed);
+    speed = 100 * speed;
     if(mode == LOGITECH_G203_MODE_CYCLE)
     {
         usb_buf[0x0B]   = speed >> 8;
diff --git a/Controllers/LogitechController/LogitechG203Controller.h b/Controllers/LogitechController/LogitechG203Controller.h
index 883c8a0b..ea1d5ffb 100644
--- a/Controllers/LogitechController/LogitechG203Controller.h
+++ b/Controllers/LogitechController/LogitechG203Controller.h
@@ -22,13 +22,15 @@ enum
     LOGITECH_G203_MODE_BREATHING         = 0x03,
 };
 
+/*---------------------------------------------------------------------------------------------*\
+| Speed is 1000 for fast and 20000 for slow.                                                    |
+| Values are mutipled by 100 later to give lots of GUI steps.                                   |
+\*---------------------------------------------------------------------------------------------*/
 enum
 {
-    LOGITECH_G203_SPEED_SLOWEST          = 0x00, /* Slowest speed                */
-    LOGITECH_G203_SPEED_SLOW             = 0x01, /* Slow speed                   */
-    LOGITECH_G203_SPEED_NORMAL           = 0x02, /* Normal speed                 */
-    LOGITECH_G203_SPEED_FAST             = 0x03, /* Fast speed                   */
-    LOGITECH_G203_SPEED_FASTEST          = 0x04, /* Fastest speed                */
+    LOGITECH_G203_SPEED_SLOWEST          = 0xC8,    /* Slowest speed                           */
+    LOGITECH_G203_SPEED_NORMAL           = 0x32,    /* Normal speed                            */
+    LOGITECH_G203_SPEED_FASTEST          = 0x0A,    /* Fastest speed                           */
 };
 
 class LogitechG203Controller
diff --git a/Controllers/LogitechController/LogitechG403Controller.cpp b/Controllers/LogitechController/LogitechG403Controller.cpp
index 730bbdf1..5384bb69 100644
--- a/Controllers/LogitechController/LogitechG403Controller.cpp
+++ b/Controllers/LogitechController/LogitechG403Controller.cpp
@@ -53,7 +53,7 @@ void LogitechG403Controller::SendMouseMode
     usb_buf[0x07]           = green;
     usb_buf[0x08]           = blue;
 
-    speed = 1000 + 4750 * (LOGITECH_G403_SPEED_FASTEST - speed);
+    speed = 100 * speed;
     if(mode == LOGITECH_G403_MODE_CYCLE)
     {
         usb_buf[0x0B]   = speed >> 8;
diff --git a/Controllers/LogitechController/LogitechG403Controller.h b/Controllers/LogitechController/LogitechG403Controller.h
index df492f62..c0bb0ef0 100644
--- a/Controllers/LogitechController/LogitechG403Controller.h
+++ b/Controllers/LogitechController/LogitechG403Controller.h
@@ -22,13 +22,15 @@ enum
     LOGITECH_G403_MODE_BREATHING         = 0x03,
 };
 
+/*---------------------------------------------------------------------------------------------*\
+| Speed is 1000 for fast and 20000 for slow.                                                    |
+| Values are mutipled by 100 later to give lots of GUI steps.                                   |
+\*---------------------------------------------------------------------------------------------*/
 enum
 {
-    LOGITECH_G403_SPEED_SLOWEST          = 0x00, /* Slowest speed                */
-    LOGITECH_G403_SPEED_SLOW             = 0x01, /* Slow speed                   */
-    LOGITECH_G403_SPEED_NORMAL           = 0x02, /* Normal speed                 */
-    LOGITECH_G403_SPEED_FAST             = 0x03, /* Fast speed                   */
-    LOGITECH_G403_SPEED_FASTEST          = 0x04, /* Fastest speed                */
+    LOGITECH_G403_SPEED_SLOWEST          = 0xC8,    /* Slowest speed                           */
+    LOGITECH_G403_SPEED_NORMAL           = 0x32,    /* Normal speed                            */
+    LOGITECH_G403_SPEED_FASTEST          = 0x0A,    /* Fastest speed                           */
 };
 
 class LogitechG403Controller
diff --git a/Controllers/LogitechController/LogitechG502PSController.cpp b/Controllers/LogitechController/LogitechG502PSController.cpp
index 7c646da2..053a342b 100644
--- a/Controllers/LogitechController/LogitechG502PSController.cpp
+++ b/Controllers/LogitechController/LogitechG502PSController.cpp
@@ -53,7 +53,7 @@ void LogitechG502PSController::SendMouseMode
     usb_buf[0x07]           = green;
     usb_buf[0x08]           = blue;
 
-    speed = 1000 + 4750 * (LOGITECH_G502_PS_SPEED_FASTEST - speed);
+    speed = 100 * speed;
     if(mode == LOGITECH_G502_PS_MODE_CYCLE)
     {
         usb_buf[0x0B]   = speed >> 8;
diff --git a/Controllers/LogitechController/LogitechG502PSController.h b/Controllers/LogitechController/LogitechG502PSController.h
index a5a760c0..ec187034 100644
--- a/Controllers/LogitechController/LogitechG502PSController.h
+++ b/Controllers/LogitechController/LogitechG502PSController.h
@@ -23,13 +23,15 @@ enum
     LOGITECH_G502_PS_MODE_BREATHING         = 0x02
 };
 
+/*---------------------------------------------------------------------------------------------*\
+| Speed is 1000 for fast and 20000 for slow.                                                    |
+| Values are mutipled by 100 later to give lots of GUI steps.                                   |
+\*---------------------------------------------------------------------------------------------*/
 enum
 {
-    LOGITECH_G502_PS_SPEED_SLOWEST          = 0x00, /* Slowest speed                */
-    LOGITECH_G502_PS_SPEED_SLOW             = 0x01, /* Slow speed                   */
-    LOGITECH_G502_PS_SPEED_NORMAL           = 0x02, /* Normal speed                 */
-    LOGITECH_G502_PS_SPEED_FAST             = 0x03, /* Fast speed                   */
-    LOGITECH_G502_PS_SPEED_FASTEST          = 0x04, /* Fastest speed                */
+    LOGITECH_G502_PS_SPEED_SLOWEST          = 0xC8,     /* Slowest speed                       */
+    LOGITECH_G502_PS_SPEED_NORMAL           = 0x32,     /* Normal speed                        */
+    LOGITECH_G502_PS_SPEED_FASTEST          = 0x0A,     /* Fastest speed                       */
 };
 
 class LogitechG502PSController
diff --git a/Controllers/LogitechController/LogitechGPowerPlayController.cpp b/Controllers/LogitechController/LogitechGPowerPlayController.cpp
index 0b6f76b9..5f977188 100644
--- a/Controllers/LogitechController/LogitechGPowerPlayController.cpp
+++ b/Controllers/LogitechController/LogitechGPowerPlayController.cpp
@@ -54,7 +54,7 @@ void LogitechGPowerPlayController::SendMouseMatMode
     usb_buf[0x07]           = green;
     usb_buf[0x08]           = blue;
 
-    speed = 1000 * (LOGITECH_G_POWERPLAY_SPEED_FASTEST - speed);
+    speed = 100 * speed;
     if(mode == LOGITECH_G_POWERPLAY_MODE_STATIC)
     {
         usb_buf[0x09]   = 0x02;
diff --git a/Controllers/LogitechController/LogitechGPowerPlayController.h b/Controllers/LogitechController/LogitechGPowerPlayController.h
index c267f471..8cf2f261 100644
--- a/Controllers/LogitechController/LogitechGPowerPlayController.h
+++ b/Controllers/LogitechController/LogitechGPowerPlayController.h
@@ -22,11 +22,15 @@ enum
     LOGITECH_G_POWERPLAY_MODE_BREATHING         = 0x03,
 };
 
+/*---------------------------------------------------------------------------------------------*\
+| Speed is 1000 for fast and 20000 for slow.                                                    |
+| Values are mutipled by 100 later to give lots of GUI steps.                                   |
+\*---------------------------------------------------------------------------------------------*/
 enum
 {
-    LOGITECH_G_POWERPLAY_SPEED_SLOWEST          = 0x01,   /* Slowest speed                */
-    LOGITECH_G_POWERPLAY_SPEED_NORMAL           = 0x32,   /* Normal speed                 */
-    LOGITECH_G_POWERPLAY_SPEED_FASTEST          = 0xC8,   /* Fastest speed                */
+    LOGITECH_G_POWERPLAY_SPEED_SLOWEST          = 0xC8,     /* Slowest speed                   */
+    LOGITECH_G_POWERPLAY_SPEED_NORMAL           = 0x32,     /* Normal speed                    */
+    LOGITECH_G_POWERPLAY_SPEED_FASTEST          = 0x0A,     /* Fastest speed                   */
 };
 
 class LogitechGPowerPlayController
diff --git a/Controllers/LogitechController/LogitechGProWirelessController.h b/Controllers/LogitechController/LogitechGProWirelessController.h
index d68a30b1..b6f7cc89 100644
--- a/Controllers/LogitechController/LogitechGProWirelessController.h
+++ b/Controllers/LogitechController/LogitechGProWirelessController.h
@@ -22,12 +22,15 @@ enum
     LOGITECH_G_PRO_WIRELESS_MODE_BREATHING         = 0x03,
 };
 
+/*---------------------------------------------------------------------------------------------*\
+| Speed is 1000 for fast and 20000 for slow.                                                    |
+| Values are mutipled by 100 later to give lots of GUI steps.                                   |
+\*---------------------------------------------------------------------------------------------*/
 enum
-{   // Speed is 1000 for fast and 20000 for slow. 
-    // Values are mutipled by 100 later to give lots of GUI steps.
-    LOGITECH_G_PRO_WIRELESS_SPEED_SLOWEST          = 0xC8,   /* Slowest speed                */
-    LOGITECH_G_PRO_WIRELESS_SPEED_NORMAL           = 0x32,   /* Normal speed                 */
-    LOGITECH_G_PRO_WIRELESS_SPEED_FASTEST          = 0x0A,   /* Fastest speed                */
+{   
+    LOGITECH_G_PRO_WIRELESS_SPEED_SLOWEST          = 0xC8,  /* Slowest speed                   */
+    LOGITECH_G_PRO_WIRELESS_SPEED_NORMAL           = 0x32,  /* Normal speed                    */
+    LOGITECH_G_PRO_WIRELESS_SPEED_FASTEST          = 0x0A,  /* Fastest speed                   */
 };
 
 class LogitechGProWirelessController