Dirt Bike Suspension
Dirt Bike Suspension Parts at JJ Motorsports
Fine-tune your ride with advanced suspension components from JJ Motorsports. From rear suspension upgrades to precision-manufactured forks, these products ensure improved handling and shock absorption. Find complementary off-road dirt bike parts to optimize every ride on the track or trail.
Shop trusted brands like Progressive Suspension for adjustable shocks and Fox for high-performance forks. Explore related categories such as Dirt Bike Braking for stopping power or Dirt Bike Tires and Wheels for complete setups.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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SDI Spring Perch Set SDETCV25-SET
SDI
$110.95Fine-tuning suspension geometry is critical for maximizing both comfort and control across varied terrain, and the SDI Spring Perch Set SDETCV25-SET delivers the adjustability you need without expensive re-valving or complete shock replacement. By...04500610- SKU:
- 04500610
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$110.95 -
SDI Spring Perch Set - KTM/Husqvarna SDETCVWP
SDI
$104.95If you're running out of suspension travel on aggressive terrain or experiencing harsh bottoming on deep compressions, the SDI Spring Perch Set addresses these issues directly by optimizing your shock's geometry and stroke characteristics. This U.S.-made...04500611- SKU:
- 04500611
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$104.95 -
SDI Spring Perch Set - YZ250F/450F SDETCVY18-SET
SDI
$110.95Suspension geometry directly impacts your bike's stability and comfort, especially during aggressive riding or rough terrain. The SDI Spring Perch Set lets you dial in your YZ250F/450F's suspension characteristics without replacing major components,...04500613- SKU:
- 04500613
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$110.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-KTB50
SDI
$19.95Stock piston wear bands deteriorate rapidly under damping cycles, causing friction buildup and inconsistent suspension response within the first few hours of use. The SDI DU Piston Bushing Conversion Kit replaces this wear band with a DU composite...04500615- SKU:
- 04500615
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 40 mm DRPBK-SH40
SDI
$19.95Stock piston rings are a compromise between cost and performance—they wear rapidly during initial operation, causing your damping characteristics to shift unpredictably within the first five hours. The SDI DU Piston Bushing Conversion Kit replaces that...04500616- SKU:
- 04500616
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-SH50
SDI
$19.95Stock piston rings shed their wear band rapidly, often within the first five hours of operation, causing unpredictable low-speed damping and performance loss. The SDI DU Piston Bushing Conversion Kit eliminates this inconsistency by replacing that wear...04500617- SKU:
- 04500617
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 36 mm DRPBK-WP36
SDI
$19.95Stock piston wear bands degrade rapidly, causing inconsistent damping within the first five hours of operation and compromising your suspension's performance throughout the oil's service life. The SDI DU Piston Bushing Conversion Kit replaces this wear...04500618- SKU:
- 04500618
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 46 mm DRPBK-WP46XPL
SDI
$19.95Stock piston rings wear dramatically within the first five hours of operation, degrading low-speed damping and compromising suspension consistency when you need it most. This DU Piston Bushing Conversion Kit eliminates that performance loss by replacing...04500619- SKU:
- 04500619
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-WP50
SDI
$19.95Stock wear bands degrade rapidly under damping loads, causing inconsistent performance and accelerated component wear within the first five hours of operation. The SDI DU Piston Bushing Conversion Kit replaces that compromised design with a low-friction...04500620- SKU:
- 04500620
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-WP5016
SDI
$19.95Stock piston wear bands degrade rapidly, causing inconsistent damping and unpredictable handling within the first five hours of operation. The SDI DU Piston Bushing Conversion Kit eliminates this performance loss by replacing the wear band with a...04500621- SKU:
- 04500621
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 50 mm DRPBK-WP50PDS
SDI
$19.95Stock piston wear bands typically degrade within the first five hours of use, compromising damping consistency and forcing premature rebuilds. The SDI DU Piston Bushing Conversion Kit replaces this wear point with a durable alternative that maintains...04500622- SKU:
- 04500622
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI DU Piston Bushing Conversion Kit - 40 mm DRPBK-KYB40
SDI
$19.95Stock piston rings wear rapidly during initial operation, compromising your damper's low-speed performance within just five hours of use. The SDI DU Piston Bushing Conversion Kit replaces that stock wear band with a precision-engineered bushing that...04500623- SKU:
- 04500623
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI Fork Service Kit - 46 mm KFSK46
SDI
$79.95Proper fork maintenance is critical to preserving your suspension's responsiveness, damping characteristics, and structural integrity—especially if you're pushing performance limits on track or trail. This comprehensive service kit eliminates the...04500626- SKU:
- 04500626
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$79.95 -
SDI Fork Service Kit - 48 mm KSFK48
SDI
$89.95A properly serviced fork is the foundation of responsive handling and rider confidence. This complete service kit eliminates the guesswork—no hunting for individual seals, fluids, or wear components across multiple suppliers. Keep your 48 mm forks...04500627- SKU:
- 04500627
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$89.95 -
SDI Fork Service Kit - 47 mm SFSK47
SDI
$74.95Proper fork maintenance is critical to maintaining responsive handling and consistent performance on the track or trail. The SDI Fork Service Kit - 47 mm delivers all the seals, bushings, and internal components you need to restore your forks to factory...04500629- SKU:
- 04500629
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$74.95 -
SDI Fork Service Kit - 48 mm SFSK48
SDI
$79.95A properly serviced fork is the foundation of consistent suspension performance and rider safety. This comprehensive kit eliminates the guesswork by providing all the essential components needed for a complete 48 mm fork overhaul, saving you time and...04500630- SKU:
- 04500630
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$79.95 -
SDI Linkage Arm - Blue SDECLAK16-BLU
SDI
$449.95If you're running a stock linkage arm, you're compromising both handling and comfort. The SDI Linkage Arm eliminates front-to-back rocking under acceleration while maintaining responsive feedback through corners—meaning better chassis balance and a more...13020707- SKU:
- 13020707
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$449.95 -
SDI Linkage Arm - Blue SDECLAY18-BLU
SDI
$449.95If you're experiencing excessive front-to-back movement or harshness in deep compressions, the SDI Linkage Arm directly addresses these handling compromises by stiffening the initial curve of your suspension. This precision-engineered component improves...13020712- SKU:
- 13020712
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$449.95 -
SDI Lowering Pull Rod - Black SDECPRKT16-B
SDI
$219.95If your bike wallows through corners and harshes over bumps, your suspension geometry is working against you. The SDI Lowering Pull Rod corrects this by stiffening the initial suspension curve while maintaining compliance in deeper strokes—giving you a...13041063- SKU:
- 13041063
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$219.95 -
SDI Lowering Pull Rod - Black SDECPRKX250-B
SDI
$219.95If you're experiencing vague mid-corner feel or harsh bottoming in your suspension, a quality lowering pull rod directly addresses both issues by improving chassis geometry and damping characteristics. This SDI component stiffens the initial suspension...13041064- SKU:
- 13041064
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
$219.95
