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Progressive Suspension 13 Series Dual Shocks - 13-1240B
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Progressive Suspension 13 Series Dual Shocks - 13-1240B

  • Part #: 58446
  • Manufacturer Part #: 13-1240B

MSRP Price: $187.95

Our Price: $169.60

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Overview of Progressive Suspension 13 Series Dual Shocks - 13-1240B

  • 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 CB700SC Nighthawk S 1984-1986 Standard springs part number 58452 or Heavy Duty springs part number 58453

Bultaco Frontera 250 1978-1979 Standard springs part number 58451 or Heavy Duty springs part number 58452

Bultaco Pursang 250 1977-1979 Standard springs part number 58451 or Heavy Duty spring part number 58452

Bultaco Frontera 370 1978-1979 Standard springs part number 58451 or Heavy Duty springs part number 58452

Bultaco Pursang 370 1977-1979 Standard spring part number 58451 or Heavy Duty spring part number 58452

Husqvarna Automatics 1976-1979 Standard springs part number 58452 or Heavy Duty springs part number 58453

Husqvarna CR125 1976-1980 Standard springs part number 58450 or Heavy Duty springs part number 58451

Husqvarna CR250 1977-1978 Standard springs part number 58452 or Heavy Duty springs part number 58453

Husqvarna WR250 1977-1980 Standard springs part number 58452 or Heavy Duty springs part number 58453

Husqvarna CR390 1977-1978 Standard springs 58452 or Heavy Duty springs 58453

Husqvarna WR390 1977-1980 Standard springs part number 58452 or Heavy Duty springs part number 58453

Miaco/M-Star 250 Enduro 1978-1979 Standard springs part number 58452 or Heavy Duty springs part number 58453

Maico/M-Star 400 Enduro 1978-1979 Standard springs part number 58452 or Heavy Duty springs part number 58453

Maico/M-Star 450 Enduro 1978-1979 Standard springs part number 58452 or Heavy Duty springs part number 58453

Suzuki RM125 1977-1978 Standard springs part number 58450 or Heavy Duty springs part number 58451

Suzuki PE175 1978-1979 Standard springs part number 58452 or Heavy Duty springs part number 58453

Suzuki PE250 1978-1979 Standard springs part number 58452 or Heavy Duty springs part number 58453

Suzuki RM250 1977 Standard springs part number 58451 or Heavy Duty springs part number 58452

Suzuki DR370 1978-1979 Standard springs part number 58450 or Heavy Duty springs part number 58451

Suzuki RM370 1977 Standard springs part number 58451 or Heavy Duty springs part number 58452

Suzuki SP370 1978-1979 Standard springs part number 58450 or Heavy Duty springs part number 58451

Yamaha TT500 1976-1981 Standard springs part number 58451 or Heavy Duty springs part number 58452

Yamaha XT500 1976-1979 Standard springs part number 58451 or Heavy Duty springs part number 58452

Specs for Progressive Suspension 13 Series Dual Shocks - 13-1240B

Length - Shock 15 in.
Type - Shock Absorbers/Struts Shock Absorber
Units Pair
Weight 5.68 lbs

Specs for Progressive Suspension 13 Series Dual Shocks - 13-1240B

Length - Shock 15 in.
Type - Shock Absorbers/Struts Shock Absorber
Units Pair
Weight 5.68 lbs

Fitment for Progressive Suspension 13 Series Dual Shocks - 13-1240B

See if this part fits your ride

Part 58446 fits the following machines

Honda
  • 1986 Honda CB700SC Nighthawk S
  • 1985 Honda CB700SC Nighthawk S
  • 1984 Honda CB700SC Nighthawk S
Suzuki
  • 1979 Suzuki DR370
  • 1978 Suzuki DR370
  • 1979 Suzuki PE175
  • 1978 Suzuki PE175
  • 1979 Suzuki PE250
  • 1978 Suzuki PE250
  • 1978 Suzuki RM125
  • 1977 Suzuki RM125
  • 1977 Suzuki RM250
  • 1977 Suzuki RM370
  • 1979 Suzuki SP370
  • 1978 Suzuki SP370
  • 1982 Suzuki SP500
Yamaha
  • 1981 Yamaha TT500
  • 1980 Yamaha TT500
  • 1979 Yamaha TT500
  • 1978 Yamaha TT500
  • 1977 Yamaha TT500
  • 1976 Yamaha TT500
  • 1979 Yamaha XT500
  • 1978 Yamaha XT500
  • 1977 Yamaha XT500
  • 1976 Yamaha XT500
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Instructions and Manuals for Progressive Suspension 13 Series Dual Shocks - 13-1240B

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