Suspension Parts for 2012 KTM 450 SX-F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2012 KTM 450 SX-F. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 2012 KTM 450 SX-F.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

This is a recommendation only please consult your manual

Ideal Fork Rate:

kg/mm ( N/mm)

Ideal Shock Rate:

kg/mm ( N/mm)

BIKE DETAILS

Stock Fork Spring Rate

0.48

Stock Shock Spring Rate

57N/mm

Bike Type

MX

Ideal Rider Weight

80 kg

Engine Specifications

4 Stroke Engine 450 cc

FORKS INFO

Fork Manufacturer

: WP USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 283 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 360cc mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 2 mm

Fork Comments

: We suggest 22-25 psi bladder pressure

SHOCKS INFO

Shock Manufacturer

WP: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Travel: 110 mm
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 105-115 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 7-8mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 57N/mm kg/mm

Shock Comments

: Check piston band for cracking

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

3 Parts

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FORK REBUILD KITS

6 Parts

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FORK UPGRADE PARTS

4 Parts

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FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

3 Parts

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FORK SEALS & BUSHES

15 Parts

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SHOCK UPGRADE PARTS

8 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

3 Parts

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SHOCK BLADDER PARTS

3 Parts

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SHOCK SEAL CASE PARTS

6 Parts

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SHOCK PISTON PARTS

2 Parts

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TOOLS & LUBRICANTS

27 Parts

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All Fitment-Matched Suspension Parts

Browse All 77 Products for KTM 450 SX-F 2012

RCU RESERVOIR BLADDER CONVERSION 54.00mm WP PDS/ LINK>2015

K-Tech

RCU RESERVOIR BLADDER CONVERSION 54.00mm WP PDS/ LINK>2015

(SKU: 211-900-115)

$179.95
2 In Stock

Teflon Shaft Bushing - 18 x 20 x 12

Teknik Motorsport

Teflon Shaft Bushing - 18 x 20 x 12

18mm id x 20mm od x 12mm Length
(SKU: 22-080-01)

$2.75
122 In Stock

Bump Stop Rubber 18 x 57 x 55 (WP 5018 1077)

Teknik Motorsport

Bump Stop Rubber 18 x 57 x 55 (WP 5018 1077)

18mm id x 57mm od x 55mm tall - WP Early Linkage
(SKU: 22-287-00)

Height H (mm): 64.0

Outside Ø D (mm): 59.0

$22.00
320 In Stock

Shock Oil Seal 18 x 30 x 5 Viton Hi Performance

Capelli Race

Shock Oil Seal 18 x 30 x 5 Viton Hi Performance

18mm id x 30mm od x 5mm thick - WP/Showa
(SKU: 22-406-00)

Oil Seal Inside Diameter d (mm): 18.0

Oil Seal Outside Ø D1 (mm): 30.0

Oil Seal Height H (mm): 5.0

$27.50
1482 In Stock

Nitrogen Shock Filling Valve M5

Teknik Motorsport

Nitrogen Shock Filling Valve M5

Standard M5 0.8mm thread - WP replacement
(SKU: 22-600-00)

$20.00
95 In Stock

WP Regas Valve (M5x0.8 Schrader)

Teknik Motorsport

WP Regas Valve (M5x0.8 Schrader)

Suits WP Shocks
(SKU: 22-600-09)

$30.80
669 In Stock

WP Front Fork DIY Service Kit - 48mm Forks

Capelli Race

WP Front Fork DIY Service Kit - 48mm Forks

(SKU: 24-374-01)

Fork Inner Tube Ø d (mm): 48.0

$169.95
58 In Stock

Outer Guide Bush 48 x 12 x 2.0 Aftermarket

Teknik Motorsport

Outer Guide Bush 48 x 12 x 2.0 Aftermarket

48mm id x 12mm tall x 2.0mm thick
(SKU: 24-580-01)

Inside Diameter d (mm): 48.0

Fork Inner Tube Ø d (mm): 48.0

Height H (mm): 12.0

Outside Ø D (mm): 52.0

Wall Thickness (mm): 2.0

$6.60
77 In Stock

WP Viton Cartridge Rod Seal (48600829)

WP Genuine Parts

WP Viton Cartridge Rod Seal (48600829)

12mm id x 17mm od x 3.5mm tall - Twin Chamber
(SKU: 24-703-08)

Inside Diameter d (mm): 12.0

Height H (mm): 3.5

Outside Ø D (mm): 17.0

$33.00
90 In Stock

48mm WP Stainless Steel Fork Seal Clip replaces WP 48600070

Teknik Motorsport

48mm WP Stainless Steel Fork Seal Clip replaces WP 48600070

fits all WP 48mm forks
(SKU: 24-750-14)

$22.00
90 In Stock

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