SLS and Standard Steel Rear Shock Spring Information

WARNING: Modification or alteration of a FOX product can cause product failure resulting in SEVERE INJURY OR DEATH. Never modify or alter ANY part of a FOX product (including coil springs, lower leg cross brace, crown, steerer, upper tubes, lower leg, air can, seat post, air volume spacers, internals, axle slit shims, axle adapters, or any other parts).

Some springs may be too long to fit on certain model shocks. Please contact FOX directly with fit/application inquiries.

 

DHX2 Spring Fitment
Eye-to-Eye Travel Longest TLG Spring that Fits
7.875in 2.25in 5.03in/ 127.9mm
8.5in 2.5in 5.65in/ 143.7mm
8.75in 2.75in 5.90in/ 150.0mm
9.5in 3in 6.66in/ 169.1mm
10.5in 3.5in 7.65in/ 194.4mm
185mm (T) 50-55mm 5.02in/ 127.6mm
210mm 50-55mm 5.42in/ 137.6mm
205mm (T) 60-65mm 5.81in/ 147.6mm
230mm 60-65mm 6.20in/ 157.6mm
225mm (T) 70-75mm 6.60in/ 167.6mm
250mm 70-75mm 6.99in/ 177.6mm


SLS (Super Light Steel) springs are now available from FOX for DHX and VAN rear shocks. These SLS springs are a lighter weight steel spring option offered in addition to our standard steel springs. The new SLS springs from FOX are lighter than titanium springs at more affordable prices. A proprietary surface treatment and stress relief process removes residual stresses from the spring, allowing them to withstand higher stresses. Each spring is optimized by using a smaller wire diameter and fewer coils, creating a lighter spring.

 

  • All SLS springs are orange and are marked with their spring rate in lbs/in (in 25 lb increments) and the maximum travel of the shock that they are designed to be paired with. 

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SLS Springs
Part Description  TLG ± 0.25in/7mm* Where used
039-94-034 Spring: (T) [1.385 ID X 400 lb/in, 2.25 Travel] SLS 120mm/4.7in ≤ 2.25" Travel shock
039-94-036 Spring: (T) [1.385 ID X 450 lb/in, 2.25 Travel] SLS 120mm/4.7in ≤ 2.25" Travel shock
039-94-038 Spring: (T) [1.385 ID X 500 lb/in, 2.25 Travel] SLS 120mm/4.7in ≤ 2.25" Travel shock
039-94-040 Spring: (T) [1.385 ID X 550 lb/in, 2.25 Travel] SLS 120mm/4.7in ≤ 2.25" Travel shock
039-94-042 Spring: (T) [1.385 ID X 600 lb/in, 2.25 Travel] SLS 120mm/4.7in ≤ 2.25" Travel shock
039-94-000 Spring: (T) [1.385 ID X 300 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-001 Spring: (T) [1.385 ID X 325 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-002 Spring: (T) [1.385 ID X 350 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-003 Spring: (T) [1.385 ID X 375 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-004 Spring: (T) [1.385 ID X 400 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-005 Spring: (T) [1.385 ID X 425 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-006 Spring: (T) [1.385 ID X 450 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-007 Spring: (T) [1.385 ID X 475 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-008 Spring: (T) [1.385 ID X 500 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-009 Spring: (T) [1.385 ID X 525 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-010 Spring: (T) [1.385 ID X 550 lb/in, 2.75 Travel] SLS 140mm/5.5in ≤ 2.75" Travel shock
039-94-011 Spring: (T) [1.385 ID X 300 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-012 Spring: (T) [1.385 ID X 325 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-013 Spring: (T) [1.385 ID X 350 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-014 Spring: (T) [1.385 ID X 375 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-015 Spring: (T) [1.385 ID X 400 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-016 Spring: (T) [1.385 ID X 425 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-017 Spring: (T) [1.385 ID X 450 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-018 Spring: (T) [1.385 ID X 475 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-019 Spring: (T) [1.385 ID X 500 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-020 Spring: (T) [1.385 ID X 525 lb/in, 3.00 Travel] SLS 155mm/6.1in ≤ 3.00" Travel shock
039-94-022 Spring: (T) [1.385 ID X 225 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-023 Spring: (T) [1.385 ID X 250 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-024 Spring: (T) [1.385 ID X 275 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-025 Spring: (T) [1.385 ID X 300 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-026 Spring: (T) [1.385 ID X 325 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-027 Spring: (T) [1.385 ID X 350 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-028 Spring: (T) [1.385 ID X 375 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock
039-94-029 Spring: (T) [1.385 ID X 400 lb/in, 3.50 Travel] SLS 165mm/6.5in ≤ 3.50" Travel shock

  

  • All standard steel springs are black and are marked with their spring rate in lbs/in (in 50 lb increments) and the total travel of the spring itself. Standard black springs should only be paired with shocks having less travel than the travel marked on the spring itself.

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Standard Steel Springs
Part Description  Where used
2.3in/58mm-2.55in/65mm Travel Springs
039-03-011 Spring: [4.285 TLG X 1.385 ID X 250 lbs/in, 2.500 Travel] Black 7.875inx2.25in, 185mm(T)x50mm, 185mm(T)x52.5mm, 185mm(T)x55mm, 210mmx50mm, 210mmx52.5mm, 210mmx55mm
039-03-012 Spring: [4.344 TLG X 1.385 ID X 300 lbs/in, 2.500 Travel] Black
039-03-013 Spring: [4.381 TLG X 1.385 ID X 350 lbs/in, 2.450 Travel] Black
039-12-011 Spring: [4.990 TLG X 1.385 ID X 350 lbs/in, 2.45 Travel] Black
039-03-014 Spring: [4.675 TLG X 1.385 ID X 400 lbs/in, 2.450 Travel] Black
039-03-015 Spring: [4.723 TLG X 1.385 ID X 450 lbs/in, 2.370 Travel] Black
039-03-016 Spring: [4.733 TLG X 1.385 ID X 500 lbs/in, 2.350 Travel] Black
039-03-017 Spring: [4.776 TLG X 1.385 ID X 550 lbs/in, 2.350 Travel] Black
039-03-018 Spring: [4.830 TLG X 1.385 ID X 600 lbs/in, 2.350 Travel] Black
039-03-019 Spring: [4.954 TLG X 1.385 ID X 650 lbs/in, 2.300 Travel] Black
039-03-100 Spring: [5.200 TLG X 1.375 ID X 700 lbs/in, 2.300 Travel] Black
039-03-009 Spring: [5.701 TLG X 1.385 ID X 700 lbs/in, 2.550 Travel] Black
039-03-101 Spring: [5.280 TLG X 1.375 ID X 800 lbs/in, 2.300 Travel] Black
2.8in/71mm Travel Springs
039-03-022 Spring: [4.924 TLG X 1.385 ID X 250 lbs/in, 2.800 Travel] Black 8.50inx2.50in, 205mm(T)x60mm, 205mm(T)x62.5mm, 205mm(T)x65mm*, 230mmx60mm, 230mmx62.5mm, 230mmx65mm
039-03-001 Spring: [5.799 TLG X 1.385 ID X 350 lbs/in, 2.800 Travel] Black
039-03-002 Spring: [5.459 TLG X 1.385 ID X 400 lbs/in, 2.800 Travel] Black
039-03-003 Spring: [5.409 TLG X 1.385 ID X 450 lbs/in, 2.800 Travel] Black
039-03-004 Spring: [5.728 TLG X 1.385 ID X 500 lbs/in, 2.800 Travel] Black
039-03-005 Spring: [5.949 TLG X 1.385 ID X 550 lbs/in, 2.800 Travel] Black
039-00-600 Spring: [5.750 TLG X 1.385 ID X 550 lbs/in, 2.800 Travel] Black
039-03-007 Spring: [6.382 TLG X 1.385 ID X 600 lbs/in, 2.800 Travel] Black
039-00-601 Spring: [5.750 TLG X 1.385 ID X 600 lbs/in, 2.800 Travel] Black
039-03-008 Spring: [6.150 TLG X 1.385 ID X 650 lbs/in, 2.800 Travel] Black
039-03-010 Spring: [6.402 TLG X 1.385 ID X 700 lbs/in, 2.800 Travel] Black
3.19in/81mm-3.25in/83mm Travel Springs
039-09-010 Spring: [6.468 TLG X 1.385 ID X 250 lbs/in, 3.25 Travel] Black 8.75inx2.75in, 9.50inx3.00in, 225mm(T)x70mm,  225mm(T)x72.5mm, 225mm(T)x75mm, 250mmx70mm, 250mmx72.5mm, 250mmx75mm
039-03-000 Spring: [6.126 TLG X 1.385 ID X 300 lbs/in, 3.240 Travel] Black
039-09-000 Spring: [6.476 TLG X 1.385 ID X 300 lbs/in, 3.25 Travel] Black
039-09-001 Spring: [6.689 TLG X 1.39 ID X 350 lbs/in, 3.25 Travel] Black
039-09-002 Spring: [6.634 TLG X 1.385 ID X 400 lbs/in, 3.25 Travel] Black
039-09-003 Spring: [6.760 TLG X 1.385 ID X 450 lbs/in, 3.25 Travel] Black
039-00-603 Spring: [6.600 TLG X 1.385 ID X 500 lbs/in, 3.15 Travel] Black
039-09-004 Spring: [6.909 TLG X 1.385 ID X 500 lbs/in, 3.25 Travel] Black
039-00-604 Spring: [6.400 TLG X 1.385 ID X 550 lbs/in, 3.15 Travel] Black
039-09-005 Spring: [6.929 TLG X 1.385 ID X 550 lbs/in, 3.25 Travel] Black
039-09-006 Spring: [7.114 TLG X 1.385 ID X 600 lbs/in, 3.25 Travel] Black
039-09-007 Spring: [6.815 TLG X 1.385 ID X 650 lbs/in, 3.19 Travel] Black
039-09-008 Spring: [7.130 TLG X 1.385 ID X 700 lbs/in, 3.19 Travel] Black
3.64in/92mm-3.85in/98mm Travel Springs
039-12-000 Spring: (T) [6.800 TLG X 1.385 ID X 150 lb/in X 3.85 Travel] Black 10.5inx3.5in
039-12-001 Spring: (T) [7.000 TLG X 1.385 ID X 200 lb/in X 3.80 Travel] Black
039-12-008 Spring: (T) [7.000 TLG X 1.385 ID X 225 lb/in X 3.80 Travel] Black
039-12-002 Spring: (T) [7.200 TLG X 1.385 ID X 250 lb/in X 3.75 Travel] Black
039-12-009 Spring: (T) [7.500 TLG X 1.385 ID X 275 lb/in X 3.75 Travel] Black
039-12-003 Spring: (T) [7.750 TLG X 1.385 ID X 300 lb/in X 3.70 Travel] Black
039-12-010 Spring: (T) [7.7550 TLG X 1.385 ID X 325 lb/in X 3.70 Travel] Black
039-12-004 Spring: (T) [7.750 TLG X 1.385 ID X 350 lb/in X 3.70 Travel] Black
039-12-005 Spring: (T) [7.750 TLG X 1.385 ID X 400 lb/in X 3.65 Travel] Black
039-12-006 Spring: (T) [8.100 TLG X 1.385 ID X 450 lb/in X 3.65 Travel] Black
039-12-007 Spring: (T) [8.250 TLG X 1.385 ID X 500 lb/in X 3.64 Travel] Black

 

*Only certain springs in this group will fit this shock size. Please see the longest spring that will fit your shock in the table above.



 Pricing and availablility may vary. Please contact FOX directly for additional information.

*NOTE: Spring TLG (Total Length) listed is an average of a sample of springs. Your springs TLG may vary beyond the dimensions listed above.

WARNING: Tighten the preload adjuster just until the spring no longer moves, then preload no more than 2 full turns. Preloading the spring more than 2 full turns may cause the spring to coil bind when the shock is bottomed out. This can cause damage to the shock which could lead to a loss of control resulting in SERIOUS INJURY OR DEATH.




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