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Progressive Suspension 12 Series Rear Fork Springs, 11-1145

by Progressive Suspension
Progressive Suspension 12 Series Rear Fork Springs, 11-1145

Item Description

Progressive Suspension 12 Series Rear Fork Springs, 11-1145

Spring Rate (lbs/in): 40/65 lbs./in.
Outside Diameter (in): 1.350 in.
Free Length (in): 18.000 in.

Do your springs have you wound too tight? Progressive Suspension fork springs soak up small road bumps and have the ability to absorb the larger ones, too. Their progressively wound design provides you with the best of both worlds. When you install these fork springs, you'll be amazed at the improvement that you'll feel in the handling and ride of your machine. Straight rate springs can only offer linear resistance to compression and are a compromise. Give yourself the best ride and handling with Progressive Suspension fork springs. These springs are proudly made in the USA.

Bike Fitment
1993-1996 Honda CBR1000F
1991-1993 Honda CBR600F F2
1999-2001 Kawasaki VN1500G Vulcan 1500 Nomad
1999-2005 Kawasaki VN1500J/R Vulcan 1500 Drifter
2006-2011 Kawasaki VN900B Vulcan 900 Classic
2007-2011 Kawasaki VN900C Vulcan 900 Custom
2006-2011 Kawasaki VN900D Vulcan 900 Classic LT
1998-2006 Suzuki GSX750F Katana
1999-2002 Suzuki SV650
1999-2002 Suzuki SV650S
2002-2010 Triumph America
2003-2010 Triumph Speedmaster
2007-2011 Yamaha XVS1300 V Star 1300
2007-2011 Yamaha XVS1300A V Star 1300 Tourer

Item Details

  • Progressive springs offer a soft initial spring rate for a plush ride
  • Progressively wound design provides increased resistance to bottoming as spring compresses
  • Improves handling while retaining OEM geometry
  • Made in the USA

Manufacturers Part Number

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(Item: #11-1145-FRK-SPG-HONKAW-88)
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