The following bike skins can be unlocked by performing the actions below:

• Electric Blue - Get 100% S ranks in the Platinum Cup
• Forest Green - Get 100% S ranks in the Bronze Cup
• Lemon Yellow - Get 100% S ranks in the Bronze Cup
• Plum Crazy - Get 100% S ranks in the Silver Cup
• Sea Green - Get 100% S ranks in the Gold Cup
• Speed Green - Get 100% S ranks in the Silver Cup
• Sunset Orange - Get 100% S ranks in the Gold Cup
• Void Black - Get 100% S ranks in the Platinum Cup
• Skull - Get all 100% S ranks in all four cups

The following designs can be unlocked by winning points in Wi-Fi mode:

• Wiggle - Obtain 050 friend points
• Boomerang - Obtain 050 points
• Dots - Obtain 100 friend points
• Astro - Obtain 250 friend points
• Flames - Obtain 500 friend points
• Splat - Obtain 250 points
• Swirl - Obtain 100 points
• Tiger - Obtain 500 points