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Progressive Suspension 13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B

  • Part #: 58447
  • Manufacturer Part #: 13-1241B

MSRP Price: $187.95

Our Price: $169.60

You Save:
$18.35 (10%)

Overview of Progressive Suspension 13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B

  • Contain Freon cells for superior, fade-free damping and consistent performance
  • Spring pre-load adjustment for a variety of load-carrying conditions
  • Double-wall steel shock body for durability
  • 1/2" heat-treated, hard-chromed steel shaft with long-life seal
  • Black-painted progressive rate springs sold separately
  • Standard springs are recommended for riders under 200 lb.
  • Heavy-duty springs are for riders over 200 lb.
  • Formerly sold as 1200 Series O/R Dual Shocks
  • Springs sold separately


NOTE: Standard springs are recommended for riders under 200 lb. Heavy-duty springs are recommended for riders over 200 lb.

Black Springs
Honda XL500S 1979-1980 Standard spring part number 58450 or Heavy Duty spring part number 58451

Kawasaki KX125 1979 Standard spring part number 58450

Kawasaki KX250 1979-1979 Standard spring part number 58451 or Heavy Duty spring part number 58452

Kawasaki KDX400 1979-1980 Standard spring part number 58451 or Heavy Duty spring part number 58452

Suzuki RM125 1979 Standard spring part number 58452 or Heavy Duty spring part number 58453

Suzuki RM250 1978-1979 Standard spring part number 58451 or Heavy Duty spring part number 58452

Specs for Progressive Suspension 13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B

Length - Shock 16 1/2 in.
Type - Shock Absorbers/Struts Shock Absorber
Units Pair
Weight 5.93 lbs

Specs for Progressive Suspension 13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B

Length - Shock 16 1/2 in.
Type - Shock Absorbers/Struts Shock Absorber
Units Pair
Weight 5.93 lbs

Fitment for Progressive Suspension 13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B

See if this part fits your ride

Part 58447 fits the following machines

13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B

4 out of 2 reviews
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Well worth the price

Bought these as a long shot to fit my 1980 RM250 as it isn't listed as a supported ride. They fit great; only issue was that the included bushing set didn't include a pair small enough for the upper bolt holes. The springs can be easily installed by hand without a spring compressor if you have a helper; one person pulls the springs downward and the other drops the retainer in. Total assembly and installation time was under 45 minutes without a stand for my bike, probably would have been half that if I had one.

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from Edmonton, AB

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good deal

this is the third set of progressive 13 series shocks that i have put on my maico bikes.they work great and are a great bargain for anyone who cant afford to spend 600 to 1000 dollars on a pair of shocks.i would suggest heavy duty springs no matter what your weight.

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Instructions and Manuals for Progressive Suspension 13 Series 16 1/2 in. Freon Cell Dual Shocks - 13-1241B