Street Bike Suspension
Street Bike Suspension Upgrades at JJ Motorsports
Improve your street bike's handling and ride quality with advanced suspension kits from JJ Motorsports. Our range includes complete front-end kits, fork emulators, springs, and shocks engineered for better damping, reduced dive, and customizable firmness on the street or track. Compatible with Honda CBR, Suzuki GSX-R, Yamaha R1, and more, these upgrades enhance stability, comfort, and control for sportbikes, cruisers, or tourers, whether lowering for style or tuning for performance.
Shop trusted brands like Race Tech for gold valve kits and Progressive Suspension for adjustable shocks. Explore related categories such as street bike brakes for stopping power or street bike drivetrain for balanced setups.
Top Street Bike Suspension Products
- Race Tech Complete Front End Suspension Kit - 1.50 kg/mm Spring FLEK S49150 – For heavier riders seeking firm control.
- Race Tech Complete Front End Suspension Kit - 0.95 kg/mm Spring FLEK S49095 – Balanced for standard street use.
- Race Tech Complete Front End Suspension Kit - 1.30 kg/mm Spring FLEK S49130 – Enhanced damping for aggressive riding.
- Race Tech Complete Front End Suspension Kit - 1.00 kg/mm Spring FLEK S3810 – Versatile for daily commuters.
- Race Tech Complete Front End Suspension Kit - 1.10 kg/mm Spring FLEK S49110 – Optimized for track-like precision.
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
-
PARTS UNLIMITED Fork Seals - 40 mm ID x 52 mm OD x 9.5/10.5 mm T PUP40FORK455087
PARTS UNLIMITED
$49.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Worn or leaking seals allow hydraulic fluid to escape, compromising damping characteristics and risking fork tube corrosion. These OEM-specification...04070125- SKU:
- 04070125
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- INSIDE DIAMETER METRIC:
- 40.00 MM
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM/10.50 MM
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$49.95 -
PARTS UNLIMITED Fork Seals - 45 mm ID x 57 mm OD x 11 mm T PUP40FORK455088
PARTS UNLIMITED
$34.95Fork seals are critical wear items that prevent hydraulic fluid from leaking past the stanchions, compromising your suspension's damping performance and risking contamination of internal components. Over time, dust, dirt, and UV exposure degrade OEM...04070126- SKU:
- 04070126
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 45.00 MM
- MATERIAL:
- NOK ANTI-STICTION
- OUTSIDE DIAMETER METRIC:
- 57.00 MM
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
$34.95 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 54 mm OD x 9.5/10 mm T PUP40FORK455092
PARTS UNLIMITED
$34.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Degraded seals allow hydraulic fluid to leak, reducing damping effectiveness and risking air contamination that can damage internal components. These...04070130- SKU:
- 04070130
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- INSIDE DIAMETER METRIC:
- 43.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM/10.00 MM
- UNITS:
- PAIR
$34.95 -
PARTS UNLIMITED Fork Seals - 40 mm ID x 49.5 mm OD x 7/9.5 mm T PUP40FORK455065
PARTS UNLIMITED
$16.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Degraded seals allow hydraulic fluid to escape and contaminants to enter, resulting in poor damping, reduced cornering grip, and accelerated component...04070131- SKU:
- 04070131
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 40.00 MM
- OUTSIDE DIAMETER METRIC:
- 49.50 MM
- THICKNESS METRIC:
- 7.00 MM/9.50 MM
$16.95 -
PARTS UNLIMITED Fork Seals - 41 mm ID x 53 mm OD x 8/10.5 mm T PUP40FORK455148
PARTS UNLIMITED
$41.95Worn fork seals compromise suspension performance and invite contamination into your fork tubes—leading to accelerated wear on internal components and a mushy, unpredictable ride. These PARTS UNLIMITED fork seals are engineered to OEM specifications,...04070145- SKU:
- 04070145
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 41.00 MM
- OUTSIDE DIAMETER METRIC:
- 53.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 8.00 MM/10.50 MM
- MATERIAL:
- NOK ANTI-STICTION
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$41.95 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 55 mm OD x 9.5/10/5 mm T PUP40FORK455153
PARTS UNLIMITED
$40.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Worn or degraded seals allow hydraulic fluid to escape, compromising damping characteristics and leading to costly internal damage. These PARTS UNLIMITED...04070146- SKU:
- 04070146
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- INSIDE DIAMETER METRIC:
- 43.00 MM
- MATERIAL:
- NOK ANTI-STICTION
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM/10.50 MM
- UNITS:
- PAIR
$40.95 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 55 mm OD x 11/14 mm T PUP40FORK455154
PARTS UNLIMITED
$29.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Worn or leaking seals allow hydraulic fluid to escape, compromising damping characteristics and potentially causing expensive internal damage to your...04070147- SKU:
- 04070147
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM/14.00 MM
- INSIDE DIAMETER METRIC:
- 43.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$29.95 -
PARTS UNLIMITED Fork Seals - 42 mm ID x 54 mm OD x 11 mm T PUP40FORK455156
PARTS UNLIMITED
$17.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Worn or leaking seals compromise damping fluid retention, leading to reduced suspension response, poor handling, and potential fork damage. These...04070148- SKU:
- 04070148
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 42.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 11.00 MM
$17.95 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 54 mm OD x 11 mm T PUP40FORK455157
PARTS UNLIMITED
$17.95Fork seals deteriorate with every riding season, allowing hydraulic fluid to seep onto your brake rotors and suspension components—a condition that compromises braking performance and fork responsiveness. These PARTS UNLIMITED fork seals are manufactured...04070149- SKU:
- 04070149
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 42.00 MM
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 11.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$17.95 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 55 mm OD x 9.5/10.5 mm T PUP40FORK455159
PARTS UNLIMITED
$17.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Degraded seals allow oil to escape and contaminants to enter, resulting in poor damping, reduced responsiveness, and potential fork damage. These PARTS...04070151- SKU:
- 04070151
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 9.50 MM/10.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 43.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
$17.95 -
PARTS UNLIMITED Fork Seals - 40 mm ID x 52 mm OD x 10 mm T PUP40FORK455199
PARTS UNLIMITED
$12.95Fork seals are critical wear items that directly impact suspension performance and safety. Over time, degraded seals allow hydraulic fluid to escape, leading to poor damping, reduced handling control, and potential fork damage. These OEM-specification...04070327- SKU:
- 04070327
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 40.00 MM
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$12.95 -
PARTS UNLIMITED Fork Seals - 41.4 mm ID x 51 mm OD x 6 mm T PUP40FORK455195
PARTS UNLIMITED
$66.95Fork seal degradation is one of the most common causes of suspension performance loss and premature fork failure in racing and street applications. A worn or leaking seal allows hydraulic fluid to escape and contaminants to enter, destroying your...04070325- SKU:
- 04070325
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 6.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 51.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 41.40 MM
$66.95 -
POWERSTANDS RACING Lowering Link - Black - Lowers 1" 03-00751-22
POWERSTANDS RACING
$155.95A lower center of gravity directly improves launch consistency and rider confidence off the line—critical advantages whether you're chasing lap times or perfecting your launch technique. The POWERSTANDS RACING Lowering Link repositions your bike's...13040233- SKU:
- 13040233
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- TYPE:
- LINK
- UNITS:
- EACH
- MODEL:
- STANDARD
- PRODUCT NAME:
- LOWERING KIT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
POWERSTANDS RACING Lowering Link - Black - Lowers 1"/3" 03-00754-22
POWERSTANDS RACING
$155.95A lower center of gravity is fundamental to improving launch performance and rider confidence—especially in competitive applications where every fraction of a second matters. The POWERSTANDS RACING Lowering Link delivers precise geometry adjustments...13040239- SKU:
- 13040239
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- LOWERING KIT
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MODEL:
- STANDARD
- RIDING STYLE:
- STREET
- TYPE:
- LINK
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
POWERSTANDS RACING Lowering Link - Black - Lowers 1"/2"/4" 04-00753-22
POWERSTANDS RACING
$74.95A lower center of gravity directly improves launch traction and handling confidence, especially critical for performance riding where weight distribution impacts every corner and acceleration event. POWERSTANDS Racing's adjustable lowering link lets you...13040245- SKU:
- 13040245
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MATERIAL:
- ALUMINUM
- MODEL:
- STANDARD
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- LOWERING KIT
- TYPE:
- LINK
$74.95Qty in Cart: 0Quantity:Price:$74.95Subtotal: -
POWERSTANDS RACING Adjustable Lowering Link - Black 05-00756-22
POWERSTANDS RACING
$184.95A lower center of gravity translates directly to improved weight transfer during launches and more confident cornering—critical advantages whether you're competing or pushing limits on the track. POWERSTANDS Racing's adjustable lowering link lets you...13040267- SKU:
- 13040267
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING KIT
- TYPE:
- LINK
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- ALUMINUM
- MODEL:
- FULLY ADJUSTABLE
- RIDING STYLE:
- STREET
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
POWERSTANDS RACING Adjustable Lowering Link - Black 04-00767-22
POWERSTANDS RACING
$184.95A lower center of gravity directly improves launch performance and stability off the line—critical for both track consistency and rider confidence. POWERSTANDS Racing's adjustable lowering link lets you dial in the exact ride height your bike needs...13040870- SKU:
- 13040870
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- LOWERING KIT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ALUMINUM
- MODEL:
- FULLY ADJUSTABLE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- LINK
$184.95 -
POWERSTANDS RACING Lowering Link - Black - Lowers 2" 03-00761-22
POWERSTANDS RACING
$155.95A lower center of gravity translates directly to better weight transfer during launches and increased rider confidence through corners. POWERSTANDS Racing's adjustable lowering link gives you precision control over your bike's geometry without permanent...13040871- SKU:
- 13040871
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PRODUCT NAME:
- LOWERING KIT
- UNITS:
- EACH
- TYPE:
- LINK
- MATERIAL:
- ALUMINUM
- MODEL:
- STANDARD
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
POWERSTANDS RACING Adjustable Lowering Link - Black 00-00750-22
POWERSTANDS RACING
$184.95A lower center of gravity directly improves launch consistency and rider confidence off the line, giving you measurable advantages in competition. The POWERSTANDS RACING Adjustable Lowering Link delivers precise geometry adjustments in small increments,...13040266- SKU:
- 13040266
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- COLOR/FINISH:
- BLACK
- MODEL:
- FULLY ADJUSTABLE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- LINK
- UNITS:
- EACH
- PRODUCT NAME:
- LOWERING KIT
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
POWERSTANDS RACING Lowering Link - Black - Lowers 1.25" 07-00765-22
POWERSTANDS RACING
$74.95A lower center of gravity directly improves launch consistency and rider confidence off the line—critical for competitive racing and spirited riding alike. The POWERSTANDS RACING Lowering Link gives you precise, adjustable geometry tuning without...13040659- SKU:
- 13040659
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MODEL:
- STANDARD
- PRODUCT NAME:
- LOWERING KIT
- TYPE:
- LINK
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$74.95Qty in Cart: 0Quantity:Price:$74.95Subtotal:
