Dirt Bike Rear Suspension
Dirt Bike Rear Suspension Parts: Lowering Rods, Swingarm Bearings & Shock Springs at JJ Motorsports
Upgrade your dirt bike's rear suspension with premium parts from JJ Motorsports, designed for better damping and durability in motocross, enduro, and trail riding. These components improve handling and reduce wear for reliable performance.
Shop Moose Offroad, Moose Racing, and Factory Connection rear suspension parts for durable, easy-to-install upgrades. Explore related categories such as dirt bike suspension for front forks and shocks, or dirt bike frame and body for guards and panels to complete your build and achieve balanced, responsive ride quality across all conditions, from high-speed jumps to technical singletrack.
Top Dirt Bike Rear Suspension Parts
- Moose Offroad Lowering Pull Rod 0419-0022 – Adjustable aluminum rod for lowering rear suspension; fits Honda CRF and Yamaha YZ for improved ergonomics.
- Moose Racing Swingarm Bearing Kit 28-1231 – Complete sealed bearing kit for swingarms; smooth rotation on Kawasaki KX models.
- Factory Connection Shock Spring ANB-0034 – Progressive rear shock spring for Factory Connection shocks; tunes damping for KTM SX.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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SDI Lowering Pull Rod - Blue SDECPRKX85L-BLU
SDI
$62.95Lowering Pull Rod - SDECPRKX85L-BLU Stiffens initial curve for enhanced handling performance Reduces wallowing feel, providing a smoother ride Minimizes deep stroke harshness and hook for better control Lowers seat height by 5-10 mm on...13041066- SKU:
- 13041066
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Black SDESBC52B-S
SDI
$66.95If you're running a performance suspension setup, shock temperature management and consistent feel across your suspension travel directly impact lap times and ride quality. The SDI Bladder Cap increases shock volume to deliver a more linear pressure...13140700- SKU:
- 13140700
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$66.95Qty in Cart: 0Quantity:Price:$66.95Subtotal: -
SDI Bladder Cap - Blue SDESBC85BLU
SDI
$62.95Bladder Cap - Blue SDESBC85BLU Precision machined and anodized for a sleek, factory appearance Enhances shock volume for a more linear performance Improves cooling efficiency of the shock system Compatible with standard Schrader valves...13140706- SKU:
- 13140706
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Red SDESBC85R
SDI
$62.95Bladder Cap - Red Machined and anodized *factory* look, Increases volume, giving the shock a more linear feel, Helps keep shock cooler, Uses easy-to-service standard Schrader valve13140708- SKU:
- 13140708
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCAKT16SBLU
SDI
$143.95If you're running a stock floating piston accumulator, you're dealing with unnecessary friction that degrades shock performance over time. The SDI Bladder Cap converts your suspension to a proven conventional bladder system, delivering a plusher ride,...13140713- SKU:
- 13140713
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$143.95 -
SDI Bladder Cap - Orange SDESBCAKT16SORG
SDI
$143.95If you're running a stock OEM floating piston shock, you're dealing with unnecessary friction that compromises both performance and component longevity. The SDI Bladder Cap converts your suspension to a conventional bladder system, delivering smoother...13140714- SKU:
- 13140714
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
SDI Bladder Cap - Orange SDESBCAKT17-ORG
SDI
$143.95Bladder Cap - Orange SDESBCAKT17-ORG Converts OEM floating piston to a conventional bladder system Minimizes friction from the stock floating piston Enhances volume for a plusher, more linear shock feel Improves damping consistency for...13140716- SKU:
- 13140716
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$143.95 -
SDI Bladder Cap - Black SDESBCK250B
SDI
$62.95If you're running a performance shock system, a larger reservoir volume is critical for consistent damping performance under sustained track conditions. The SDI Bladder Cap increases your shock's fluid capacity, delivering a more linear force curve and...13140728- SKU:
- 13140728
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCK250BLU
SDI
$59.95Bladder Cap - Blue Machined and anodized *factory* look, Increases volume, giving the shock a more linear feel, Helps keep shock cooler, Uses easy-to-service standard Schrader valve13140729- SKU:
- 13140729
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
MOOSE RACING Shock Spring - 63 mm OD - 54 n/mm - White 1312-0982
MOOSE RACING
$111.95Shock Spring - 1312-0982 Durable 63 mm outer diameter for optimal performance Spring rate of 54 N/mm, ensuring precise handling Constructed from high-grade chrome silicone wire for longevity Cold coiled and heat treated for enhanced...13120982- SKU:
- 13120982
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$111.95 -
MOOSE RACING Shock Spring - 59 mm OD - 72/75/78 n/mm - White 1312-1020
MOOSE RACING
$111.95Precision shock tuning demands springs that maintain consistent spring rates across your entire suspension travel—this is where Moose Racing delivers. Built from premium chrome silicone wire and heat-treated for durability, these 59mm shock springs...13121020- SKU:
- 13121020
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 63 mm OD - 48 n/mm - White 1312-1033
MOOSE RACING
$111.95Precise suspension tuning demands a shock spring that holds its rate under extreme conditions—and that's exactly what you get with Moose Racing's meticulously engineered 48 n/mm spring. Built from premium chrome silicone wire and cold-coiled for...13121033- SKU:
- 13121033
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
$111.95 -
MOOSE RACING Shock Spring - 63 mm OD - 60 n/mm - White 1312-1037
MOOSE RACING
$111.95Shock Spring - 1312-1037 Durable construction with high-grade chrome silicone wire Cold coiled and heat treated for enhanced performance Pre-set and ground to precise length for optimal fit Polished finish for improved aesthetics and...13121037- SKU:
- 13121037
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
SDI Linkage Shock Bladder Conversion Kit - Factory Brown SDM-2222006-FB
SDI
$139.95Linkage Shock Bladder Conversion Kit - Factory Brown Machined and anodized *factory* look bladder conversion, Converts stock OEM floating piston to a conventional bladder system found on other bikes, Greatly reduces friction caused by the stock floating...13140789- SKU:
- 13140789
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
$139.95Qty in Cart: 0Quantity:Price:$139.95Subtotal: -
SDI Linkage Spring Nut - Black SDM-2222001-B
SDI
$74.95Linkage Spring Nut - Black Replaces the plastic spring nut/preload spacer that is prone to damage, Reduces stress on the shock body, preventing internal wear, OEM fitment, Available in three different colors13140791- SKU:
- 13140791
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$74.95Qty in Cart: 0Quantity:Price:$74.95Subtotal: -
XTRIG Shock Pre-Load Adjuster 500010100501
XTRIG
$267.95Shock Pre-Load Adjuster Makes changing the rear shock absorber spring preload settings very quick and easy and replaces both preload rings on your shock, Preload rings are replaced by a mechanical device that uses the shock body*s threads to move an...13121040- SKU:
- 13121040
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$267.95 -
FACTORY CONNECTION Shock Spring ANB-0043
FACTORY CONNECTION
$149.95Shock Spring Cold-wound on precision CNC equipment for the ultimate in strength, Heat-tempered, shot-peened and end-ground for durability, Pre-set for fatigue resistance, Wide variety of rates and applications, Accurate rates and proper fitment, Made in...13121082- SKU:
- 13121082
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
FACTORY CONNECTION Shock Spring ANB-0049
FACTORY CONNECTION
$159.95A shock spring is only as good as its metallurgical integrity and manufacturing precision. The FACTORY CONNECTION ANB-0049 is cold-wound on CNC equipment and heat-tempered to handle the extreme compression cycles that separate reliable suspension systems...13121084- SKU:
- 13121084
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
$159.95 -
FACTORY LINKS Shock Bearing Kit - Lower LSA-B-001
FACTORY LINKS
$29.95Worn shock bearings compromise suspension geometry and create unpredictable handling characteristics that cost you lap time and driver confidence. The FACTORY LINKS Shock Bearing Kit - Lower (LSA-B-001) restores precise articulation and eliminates play...13130234- SKU:
- 13130234
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- TYPE:
- SHOCK
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- BEARING KIT
- MOUNTING POSITION:
- LOWER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$29.95 -
FACTORY LINKS Shock Bearing Kit - Lower LSA-K-002
FACTORY LINKS
$29.95FACTORY LINKS Shock Bearing Kit - Lower Durable construction for long-lasting performance Designed to reduce friction and enhance shock performance Easy installation with included instructions Compatible with various shock models for...13130235- SKU:
- 13130235
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- BEARING KIT
- MOUNTING POSITION:
- LOWER
- TYPE:
- SHOCK
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$29.95
