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
-
K&S TECHNOLOGIES Fork Seals - 41 mm x 53 mm x 10.5 mm 16-1040
K&S TECHNOLOGIES
$15.95Worn fork seals compromise suspension performance and lead to oil leakage that degrades damping action and fork internals. K&S Technologies fork seals deliver OEM-quality construction with reliable sealing geometry, ensuring your suspension maintains...04070565- SKU:
- 04070565
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- THICKNESS METRIC:
- 10.50 MM
- INSIDE DIAMETER METRIC:
- 41.00 MM
- OUTSIDE DIAMETER METRIC:
- 53.00 MM
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
K&S TECHNOLOGIES Fork Seals - 41 mm x 54 mm x 11 mm 16-1041
K&S TECHNOLOGIES
$15.95Worn fork seals compromise suspension performance and invite contamination into your fork tubes—leading to poor damping, oil leakage, and accelerated wear on internal components. The K&S Technologies 41mm x 54mm x 11mm fork seals restore a clean,...04070566- SKU:
- 04070566
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 41.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.43'
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
$15.95 -
K&S TECHNOLOGIES Fork Seals - 43 mm x 55 mm x 8/9.5 mm 16-1042
K&S TECHNOLOGIES
$15.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Worn or leaking seals compromise damping oil retention, leading to poor handling, increased friction, and potential fork damage. K&S Technologies fork...04070567- SKU:
- 04070567
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 43.00 MM
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- THICKNESS IMPERIAL:
- 0.32'/0.37'
- THICKNESS METRIC:
- 8.00 MM/9.50 MM
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
K&S TECHNOLOGIES Fork Seals - 43 mm x 54 mm x 11 mm 16-1044
K&S TECHNOLOGIES
$15.95Fork seals are critical wear items that directly impact suspension performance and safety. Deteriorated seals allow hydraulic fluid to leak, compromising damping consistency and risking air infiltration that degrades your suspension's ability to handle...04070569- SKU:
- 04070569
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 43.00 MM
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.43'
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$15.95 -
K&S TECHNOLOGIES Fork Seals - 43 mm x 55 mm x 9.5 mm 16-1045
K&S TECHNOLOGIES
$15.95Fork 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, increased friction, and potential fork damage. K&S Technologies...04070571- SKU:
- 04070571
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.37'
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- THICKNESS METRIC:
- 9.50 MM
$15.95 -
K&S TECHNOLOGIES Fork Seals - 43 mm x 55 mm x 10.5 mm 16-1047
K&S TECHNOLOGIES
$16.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Worn or leaking seals allow oil to escape and contaminate your fork internals, leading to poor damping, reduced cornering confidence, and accelerated...04070573- SKU:
- 04070573
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- THICKNESS METRIC:
- 10.50 MM
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 43.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- UNITS:
- PAIR
$16.95 -
K&S TECHNOLOGIES Fork Seals - 45 mm x 57 mm x 11 mm 16-1048
K&S TECHNOLOGIES
$16.95Fork seals are a critical maintenance component that directly impacts your suspension's performance and longevity. When seals degrade, fork fluid leaks onto your brake rotors and wheel, compromising braking power and creating safety hazards. Installing...04070574- SKU:
- 04070574
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 45.00 MM
- OUTSIDE DIAMETER METRIC:
- 57.00 MM
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.43'
$16.95 -
K&S TECHNOLOGIES Fork Seals - 46 mm x 58 mm x 9.5/11 mm 16-1050
K&S TECHNOLOGIES
$15.95A leaking fork seal will compromise your suspension's damping performance and accelerate internal wear, turning a simple maintenance issue into catastrophic fork failure. K&S Technologies' 46 mm x 58 mm fork seals deliver a factory-quality replacement...04070576- SKU:
- 04070576
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 46.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.37'/0.43'
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- THICKNESS METRIC:
- 9.50 MM/11.00 MM
$15.95 -
K&S TECHNOLOGIES Fork Seals - 47 mm x 58 mm x 10 mm 16-1053
K&S TECHNOLOGIES
$16.95Worn fork seals compromise suspension performance and invite hydraulic fluid leakage that degrades damping and accelerates internal wear. The K&S Technologies 47 mm x 58 mm x 10 mm fork seal delivers OEM-grade sealing with reliable durability across...04070580- SKU:
- 04070580
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 47.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 10.00 MM
- THICKNESS IMPERIAL:
- 0.39'
$16.95 -
K&S TECHNOLOGIES Fork Seals - 40 mm x 50 mm x 7/10.5 mm 16-1057K
K&S TECHNOLOGIES
$19.95Fork seals are critical to maintaining suspension performance and preventing hydraulic fluid loss that compromises damping and handling. Worn or failing seals lead to inconsistent fork behavior, increased maintenance costs, and potential safety issues on...04070584- SKU:
- 04070584
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 7.00 MM/10.50 MM
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 40.00 MM
- THICKNESS IMPERIAL:
- 0.28'/0.41'
$19.95 -
K&S TECHNOLOGIES Fork Seals - 43 mm x 52.7 mm x 9.5/10 mm 16-1058K
K&S TECHNOLOGIES
$19.95Fork seals are critical wear items that directly impact your suspension's performance and longevity. Degraded or leaking seals compromise damping consistency, reduce handling precision, and allow contaminants to damage your fork internals—ultimately...04070585- SKU:
- 04070585
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER METRIC:
- 52.70 MM
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 43.00 MM
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.37'/0.41'
- THICKNESS METRIC:
- 9.50 MM/10.30 MM
$19.95 -
K&S TECHNOLOGIES Fork Seals - 50 mm x 63 mm x 11 mm 16-1061K
K&S TECHNOLOGIES
$19.95Fork seals are critical to suspension performance—they prevent oil leakage and contamination that degrades damping characteristics and reduces fork responsiveness. A worn or leaking seal compromises your suspension's ability to maintain consistent...04070588- SKU:
- 04070588
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER METRIC:
- 63.00 MM
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.43'
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL
$19.95 -
K&S TECHNOLOGIES Fork Seals - 46 mm x 58 mm x 10.5 mm 16-1070
K&S TECHNOLOGIES
$15.95Fork seals are critical wear items that directly impact suspension performance and reliability. Worn or leaking seals compromise damping characteristics, reduce fork stiffness, and can lead to catastrophic suspension failure if left unaddressed. K&S...04070593- SKU:
- 04070593
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- THICKNESS METRIC:
- 10.50 MM
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 46.00 MM
- THICKNESS IMPERIAL:
- 0.41'
$15.95 -
K&S TECHNOLOGIES Fork Seals - 47.5 mm x 58 mm x 8.5 mm 16-1071
K&S TECHNOLOGIES
$15.95Fork seals are critical to maintaining suspension performance and preventing hydraulic fluid loss that compromises damping and handling. A worn or leaking seal forces you to choose between frequent fluid top-ups and degraded suspension response—neither...04070594- SKU:
- 04070594
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER METRIC:
- 47.50 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- THICKNESS IMPERIAL:
- 0.34'
- THICKNESS METRIC:
- 8.50 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
$15.95 -
K&S TECHNOLOGIES Dust Seals - 37.00 mm 16-2027
K&S TECHNOLOGIES
$20.95Dust seals are critical protection for your suspension and steering components, keeping contamination out of precision bearing surfaces where it causes wear and play. K&S Technologies manufactures these seals to OEM specifications, ensuring your fork...04070596- SKU:
- 04070596
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 37.00 MM
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DUST
- OUTSIDE DIAMETER METRIC:
- 49.00 MM
- PRODUCT NAME:
- SEAL
- THICKNESS IMPERIAL:
- 0.32'
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- THICKNESS METRIC:
- 10.50 MM
- THICKNESS METRIC:
- 8.00 MM
- UNITS:
- PAIR
$20.95Qty in Cart: 0Quantity:Price:$20.95Subtotal: -
K&S TECHNOLOGIES Dust Seals - 39.00 mm 16-2035
K&S TECHNOLOGIES
$20.95Dust seals are critical protection for your suspension and steering components—preventing contamination that leads to premature wear and loss of performance. Whether you're running track days or pushing through harsh conditions, K&S Technologies dust...04070597- SKU:
- 04070597
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.43'
- THICKNESS METRIC:
- 11.00 MM
- PRODUCT NAME:
- SEAL
- INSIDE DIAMETER METRIC:
- 39.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- DUST
- UNITS:
- PAIR
$20.95 -
K&S TECHNOLOGIES Dust Seals - 47.50 mm/48.00 mm 16-2071
K&S TECHNOLOGIES
$22.95Dust seals are critical for protecting fork internals from contamination that degrades performance and shortens component lifespan. K&S Technologies dust seals prevent mud, dirt, and debris from entering your fork's damping circuits, maintaining...04070614- SKU:
- 04070614
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- THICKNESS METRIC:
- 9.50 MM
- INSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 47.50 MM
- OUTSIDE DIAMETER METRIC:
- 57.70 MM
- PRODUCT NAME:
- SEAL
- THICKNESS IMPERIAL:
- 0.37'
- THICKNESS METRIC:
- 8.50 MM/10.00 MM
- TYPE:
- DUST
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.34'/0.39'
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
K&S TECHNOLOGIES Fork Boot Kit - 15-Tooth - Upper 32 mm-38 mm - Lower 48 mm-54 mm - 4.25"-10.50" Height 16-3001
K&S TECHNOLOGIES
$27.95Fork boots aren't just cosmetic—they're essential protection for your fork seals against road salt, mud, and debris that accelerate wear and compromise suspension performance. Over time, exposed seals degrade faster, leading to oil leakage and a spongy,...04060028- SKU:
- 04060028
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLLAPSED LENGTH IMPERIAL:
- 4.25'
- STYLE:
- 15-TOOTH
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- LOWER INSIDE DIAMETER 48.00 MM - 54.00 MM
- TYPE:
- FORK
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- UPPER INSIDE DIAMETER 32.00 MM - 38.00 MM
- OVERALL LENGTH IMPERIAL:
- 9.75'
- PRODUCT NAME:
- BOOT KIT
- RIDING STYLE:
- STREET
$27.95 -
K&S TECHNOLOGIES Fork Boot Kit - 20-Tooth - Small ID 32 mm - Large ID 45 mm - 120 mm-260 mm Height 16-3002
K&S TECHNOLOGIES
$26.95Fork boots aren't just cosmetic—they're essential protection for your fork seals against road salt, mud, and debris that can compromise your suspension's longevity and performance. Over time, contamination works into your seals, causing leaks and binding...04060029- SKU:
- 04060029
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- KIT
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- SMALL INSIDE DIAMETER 32.00 MM
- OVERALL LENGTH IMPERIAL:
- 7.48'
- COLLAPSED LENGTH IMPERIAL:
- 4.74'
- PRODUCT NAME:
- BOOT KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- LARGE INSIDE DIAMETER 45.00 MM
- STYLE:
- 20-TOOTH
- TYPE:
- FORK
$26.95 -
K&S TECHNOLOGIES Fork Boot Kit - 10-Tooth - Upper 40 mm - Lower 60 mm - 75 mm-200 mm Height 16-3009
K&S TECHNOLOGIES
$35.95Fork boots protect your motorcycle's suspension seals from road grime, moisture, and debris that accelerates wear and compromises performance. Over time, unprotected seals degrade, leading to fork oil leakage and a harsh, unpredictable ride. This K&S...04060030- SKU:
- 04060030
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLLAPSED LENGTH IMPERIAL:
- 2.95'
- PRODUCT NAME:
- BOOT KIT
- STYLE:
- 10-TOOTH
- RIDING STYLE:
- STREET
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- LOWER INSIDE DIAMETER 60.00 MM
- OVERALL LENGTH IMPERIAL:
- 5.91'
- COLOR/FINISH:
- BLACK
- FOR FORK TUBE DIAMETER (SLIDER) METRIC:
- UPPER INSIDE DIAMETER 40.00 MM
- TYPE:
- FORK
- UNITS:
- KIT
$35.95
