Sonic Springs
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Selecting Your Spring Rate
Please find your spring rate using the tables below. Shown are the most common models, if you do not see yours please email Sonic Springs and we will provide a detailed analysis of your application, free of charge. Please include the following information:
  • Motorcycle model and year
  • Rider weight (without gear)
  • Type of riding (touring, street, track, offroad, etc.)








Click on image to enlarge

Sonic Springs suggested spring rates for Honda motorcycles

Sonic Springs suggested spring rates for Yamaha motorcycles

Sonic Springs suggested spring rates for Kawasaki motorcycles

Sonic Springs suggested spring rates for Suzuki motorcycles

Sonic Springs suggested spring rates for Triumph motorcycles

Sonic Springs suggested spring rates for Harley-Davidson motorcycles

Sonic Springs suggested spring rates for other motorcycles

 
Quick Find
 
Use keywords to find the product you are looking for.
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We Accept
1 x EX500 87-93 - 0.95kg/mm Sonic Springs
1 x ZX-9R Ninja 98-03 - 1.00kg/mm Sonic Springs
1 x EX500 87-93 - 0.90kg/mm Sonic Springs
1 x ZX6R Ninja 96-97 - 1.00kg/mm Sonic Springs
1 x ZR550 Zephyr 90-98 - 0.85kg/mm (155-195lb rider)
1 x GPZ750 Turbo 84-85 - 1.00kg/mm Sonic Springs
1 x ZX-9R Ninja 98-03 - 0.95kg/mm Sonic Springs
1 x EX500 87-93 - 0.80kg/mm Sonic Springs
1 x ZL900 Elininator - 1.00kg/mm Sonic Springs
1 x ZG1400 Concours (C14) - 1.30kg/mm Fork Spring Set
1 x ZX6R Ninja 05-08 - 0.85kg/mm Sonic Springs
1 x KZ750 80-83 - 1.00kg/mm Sonic Springs
1 x ZL900 Elininator - 0.90kg/mm Sonic Springs
1 x Next Day Air
1 x ZX6R Ninja 05-08 - 1.10kg/mm Sonic Springs
1 x GPZ750 Turbo 84-85 - 0.85kg/mm Sonic Springs
1 x ZX-10R Ninja 08-10 - 1.00kg/mm Sonic Springs
1 x ZX-9R Ninja 98-03 - 0.85kg/mm Sonic Springs
1 x ZZR1200 Ninja - 0.90kg/mm Sonic Springs
1 x KZ550 82-83 - 0.75kg/mm Sonic Springs
1 x KZ550 82-83 - 0.85kg/mm Sonic Springs
1 x Voyager - 1.20kg/mm Sonic Springs
1 x GPZ750 Turbo 84-85 - 1.10kg/mm Sonic Springs
1 x KZ550 82-83 - 1.00kg/mm Sonic Springs
1 x ZX6R Ninja 03-04 - 1.10kg/mm Sonic Springs
1 x ZX-9R Ninja 98-03 - 0.90kg/mm Sonic Springs
1 x EX500 87-93 - 0.75kg/mm Sonic Springs
1 x KZ550 82-83 - 0.80kg/mm Sonic Springs
1 x W650 - 1.00kg/mm Sonic Springs
1 x ZZR1200 Ninja - 1.00kg/mm Sonic Springs
1 x ZX6R Ninja 03-04 - 0.90kg/mm Sonic Springs
1 x ZX6R Ninja 96-97 - 0.90kg/mm Sonic Springs
1 x ZX6R Ninja 96-97 - 0.95kg/mm Sonic Springs
1 x Ninja 650R - 1.05kg/mm Sonic Springs
1 x W650 - 0.90kg/mm Sonic Springs
1 x ZX-11 Ninja - 1.10kg/mm Sonic Springs
1 x ZX6R Ninja 05-08 - 0.95kg/mm Sonic Springs
1 x ZR550 Zephyr 90-98 - 0.80kg/mm (115-155lb rider)
1 x GPZ1100 95-96 - 0.95kg/mm Sonic Springs
1 x W650 - 0.95kg/mm Sonic Springs
1 x ZX6R Ninja 05-08 - 1.00kg/mm Sonic Springs
1 x Ninja 650R - 0.95kg/mm Sonic Springs
1 x ZL900 Elininator - 0.95kg/mm Sonic Springs
1 x ZX-11 Ninja - 1.00kg/mm Sonic Springs
1 x 2 Day Air
1 x ZX6R Ninja 03-04 - 1.00kg/mm Sonic Springs
1 x EX500 87-93 - 1.00kg/mm Sonic Springs
1 x ZX-11 Ninja - 0.95kg/mm Sonic Springs
1 x W650 - 0.85kg/mm Sonic Springs
1 x Voyager - 1.00kg/mm Sonic Springs
1 x W650 - 1.10kg/mm Sonic Springs
1 x GPZ1100 95-96 - 1.00kg/mm Sonic Springs
1 x GPZ750 Turbo 84-85 - 0.90kg/mm Sonic Springs
1 x KZ750 80-83 - 0.85kg/mm Sonic Springs
$6,457.10