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
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SDI Bladder Cap - Black SDESBCH17B
SDI
$59.95If you're running a performance shock setup, your bladder cap is doing critical work—and an undersized or worn unit will compromise both feel and longevity. The SDI Bladder Cap increases usable...13140721- SKU:
- 13140721
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95 -
SDI Bladder Cap - Red SDESBCH17R
SDI
$59.95If you're running a shock-dependent suspension setup, shock volume directly impacts your damping characteristics and thermal stability under sustained racing conditions. The SDI Bladder Cap increases...13140722- SKU:
- 13140722
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95 -
On Sale
SDI Bladder Cap - Black SDESBCH250B
SDI
MSRP: $59.95Now: $38.00Was: $59.95Bladder caps are essential upgrades for any serious shock setup, directly impacting how your suspension responds under load. This precision-machined cap increases effective shock volume, delivering a...13140723- SKU:
- 13140723
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
MSRP: $59.95Now: $38.00Was: $59.95 -
On Sale
SDI Bladder Cap - Gray SDESBCH250G
SDI
MSRP: $59.95Now: $38.00Was: $59.95If you're running a performance shock setup, volume matters—and the SDI Bladder Cap directly impacts how your suspension feels on track. By increasing internal volume, this cap delivers a more linear...13140724- SKU:
- 13140724
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
MSRP: $59.95Now: $38.00Was: $59.95 -
SDI Bladder Cap - Black SDESBCK19-S
SDI
$62.95Shock performance depends on maintaining consistent damping characteristics and operating temperature—two areas where reservoir volume and thermal management make measurable differences. The SDI...13140726- SKU:
- 13140726
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCK19-BLU
SDI
$59.95If you're running coilovers or high-performance shocks, shock volume directly impacts your suspension's ability to handle sustained track sessions and aggressive driving. The SDI Bladder Cap...13140727- SKU:
- 13140727
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
SDI Bladder Cap - Black SDESBCY18-B
SDI
$61.95If you're running a performance suspension setup, shock bladder volume directly impacts your damper's ability to maintain consistent oil temperature and deliver predictable ride quality under...13140730- SKU:
- 13140730
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$61.95 -
SDI Bladder Cap - Blue SDESBCY18-BLU
SDI
$62.95Bladder caps are critical for maximizing shock performance, especially in high-demand racing and off-road applications. This SDI unit increases shock volume while delivering a more linear,...13140731- SKU:
- 13140731
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95 -
SDI Adjuster Spring - High Speed - Long SDEHSAL
SDI
$33.95Square-edge bumps and abrupt track transitions can introduce unwanted suspension spike, throwing off your setup balance and compromising driver feedback. The SDI Adjuster Spring – High Speed – Long...13140732- SKU:
- 13140732
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$33.95Qty in Cart: 0Quantity:Price:$33.95Subtotal: -
SDI Adjuster Spring - High Speed - Short SDEHSAS
SDI
$33.95Precision suspension tuning demands components that respond instantly to track conditions without introducing harshness into your chassis. The SDI Adjuster Spring – High Speed – Short delivers...13140733- SKU:
- 13140733
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$33.95 -
SDI Shock Check Valve - M12 x 1.25 SDESCV125
SDI
$61.95Precise damping control separates a competitive setup from a mediocre one. The SDI Shock Check Valve adds low-speed compression control without sacrificing high-speed responsiveness, giving you the...13140734- SKU:
- 13140734
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$61.95Qty in Cart: 0Quantity:Price:$61.95Subtotal: -
SDI Shock Check Valve - M12 x 1.50 SDESCV150
SDI
$61.95Fine-tuning your suspension's damping characteristics requires precision control at low speeds—this is where a quality check valve becomes essential. The SDI Shock Check Valve adds a secondary flow...13140735- SKU:
- 13140735
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$61.95 -
SDI Shock Lowering Stop Washer - Rear - Lowers 1 mm SDERCW-1
SDI
$14.95A 1 mm reduction in ride height can dramatically improve your bike's handling characteristics, especially through corners where geometry plays a critical role in grip and stability. This...13140736- SKU:
- 13140736
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
SDI Shock Lowering Stop Washer - Rear - Lowers 2 mm SDERCW-2
SDI
$14.95Fine-tuning your vehicle's ride height is essential for optimizing handling geometry, clearance, and overall performance. This SDI shock lowering stop washer delivers precise 2mm rear suspension...13140737- SKU:
- 13140737
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
SDI Shock Lowering Stop Washer - Rear - Lowers 3 mm SDERCW-3
SDI
$14.95Lowering your bike's ride height doesn't require permanent modifications or costly suspension work. The SDI Shock Lowering Stop Washer delivers a simple 3 mm drop through precision-machined chromoly...13140738- SKU:
- 13140738
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$14.95 -
SDI Shock Lowering Stop Washer - Rear - Lowers 1 mm SDERLWK16-1
SDI
$24.95If you're looking to fine-tune your bike's geometry for better cornering performance or a more aggressive stance, a 1 mm rear ride-height reduction makes a measurable difference in handling dynamics...13140739- SKU:
- 13140739
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$24.95 -
SDI Shock Lowering Stop Washer - Rear - Lowers 2 mm SDERLWK16-2
SDI
$24.95If you're looking to dial in your bike's geometry without committing to expensive suspension overhauls, lowering stop washers are the simplest path forward. This 2mm rear lowering solution adjusts...13140740- SKU:
- 13140740
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.95 -
SDI Shock Lowering Stop Washer - Rear - Lowers 3 mm SDERLWK16-3
SDI
$24.95Lowering your bike's rear suspension by 3 mm sharpens handling response and improves weight distribution for better cornering stability. This simple adjustment reduces the rear ride height without...13140741- SKU:
- 13140741
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.95 -
SDI Shock Lowering Stop Washer - Rear - Lowers 9 mm SDERWK16-9
SDI
$26.95Lowering your motorcycle's rear end doesn't require expensive suspension rebuilds or permanent modifications. The SDI Shock Lowering Stop Washer delivers a quick, reversible 9 mm drop by simply...13140742- SKU:
- 13140742
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$26.95Qty in Cart: 0Quantity:Price:$26.95Subtotal: -
SDI Shock Lowering Stop Washer - Rear - Lowers 2 mm SDERLWXPL-2
SDI
$20.95Lowering your bike's ride height doesn't require cutting, welding, or permanent modifications—the SDI Shock Lowering Stop Washer delivers a straightforward 2mm drop with a simple bolt-on installation...13140743- SKU:
- 13140743
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$20.95
