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
-
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 45 mm ID x 57 mm OD x 11 mm T 7257
LEAKPROOF SEALS
$28.95OEM fork seals wear out, leak hydraulic fluid, and compromise your suspension's performance—costing you control and consistency on track or trail. LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a pressure-balanced design and premium Buna-N rubber...7257- SKU:
- 7257
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 45.00 MM
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 57.00 MM
- UNITS:
- PAIR
- THICKNESS IMPERIAL:
- 0.43'
- TYPE:
- STANDARD
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 38 mm ID x 52 mm OD x 11 mm T 7255
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the fastest ways to compromise suspension performance and invite costly internal damage. These LEAKPROOF SEALS Classic units use a pressure-balanced design and premium Buna-N rubber compound to deliver 20% less stiction...7255- SKU:
- 7255
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- STANDARD
- INSIDE DIAMETER METRIC:
- 38.00 MM
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- PAIR
- THICKNESS IMPERIAL:
- 0.43'
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 38 mm ID x 50 mm OD x 10.5 mm T 7224
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the most common—and avoidable—causes of suspension performance loss. Worn OEM seals allow oil to weep past the wipers, compromising damping consistency and risking internal corrosion. The LEAKPROOF SEALS Classic Fork Seals...7224- SKU:
- 7224
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- INSIDE DIAMETER METRIC:
- 38.00 MM
- MODEL:
- FOR STANDARD FORKS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.50 MM
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL
- THICKNESS IMPERIAL:
- 0.41'
- TYPE:
- STANDARD
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 37 mm ID x 48 mm OD x 10.5 mm T 7225
LEAKPROOF SEALS
$28.95Fork seal degradation causes oil weeping, loss of damping control, and accelerated suspension wear—problems that compound rapidly on the track or trail. LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a pressure-balanced design that outperforms OEM...7225- SKU:
- 7225
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- INSIDE DIAMETER METRIC:
- 37.00 MM
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 35 mm ID x 47 mm OD x 10.5 mm T 7201
LEAKPROOF SEALS
$28.95Stock fork seals wear out faster than they should, leading to oil weeping, inconsistent damping, and premature fork degradation. These Classic Leak Proof Fork Seals use a pressure-balanced design and premium Buna-N rubber compound to deliver reliable...7201- SKU:
- 7201
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 47.00 MM
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- INSIDE DIAMETER METRIC:
- 35.00 MM
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 34 mm ID x 46 mm OD x 10.5 mm T 7207
LEAKPROOF SEALS
$28.95Stock fork seals degrade quickly under racing conditions, leading to oil weeping, inconsistent damping, and premature suspension failure. These LEAKPROOF SEALS Classic Leak Proof Fork Seals are engineered with a pressure-balance design and premium Buna-N...7207- SKU:
- 7207
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 34.00 MM
- PRODUCT NAME:
- FORK SEAL
- MODEL:
- FOR STANDARD FORKS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- OUTSIDE DIAMETER METRIC:
- 46.00 MM
- UNITS:
- PAIR
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 30 mm ID x 40.5 mm OD x 10 mm T 7208
LEAKPROOF SEALS
$28.95OEM fork seals wear out, weep oil, and compromise suspension performance—leaving you with mushy handling and costly downtime. LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a pressure-balanced design rated to 200 psi, holding fluid where it...7208- SKU:
- 7208
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- FOR STANDARD FORKS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 10.00 MM
- TYPE:
- STANDARD
- INSIDE DIAMETER METRIC:
- 30.00 MM
- OUTSIDE DIAMETER METRIC:
- 40.50 MM
- THICKNESS IMPERIAL:
- 0.39'
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 35 mm ID x 48 mm OD x 10.5/11 mm T 7209
LEAKPROOF SEALS
$28.95Stock fork seals wear out, leak fluid, and compromise your suspension's performance—leaving you with mushy handling and costly damage. LEAKPROOF SEALS' Classic Leak Proof Fork Seals are engineered with premium Buna-N rubber and a pressure-balance design...7209- SKU:
- 7209
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- THICKNESS IMPERIAL:
- 0.43'
- TYPE:
- STANDARD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 35.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 31 mm ID x 43 mm OD x 10 mm T 7210
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the most common maintenance issues in motorsports, leading to oil weeping, contaminated suspension fluid, and unpredictable handling characteristics. The LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a...7210- SKU:
- 7210
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- FOR STANDARD FORKS
- TYPE:
- STANDARD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 31.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.00 MM
- OUTSIDE DIAMETER METRIC:
- 43.00 MM
- THICKNESS IMPERIAL:
- 0.39'
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 34.60 mm ID x 49.20 mm OD x 10 mm T 7216
LEAKPROOF SEALS
$30.95Fork seal degradation accelerates wear on your stanchions and compromises suspension performance—dust, moisture, and oil contamination are inevitable with worn OEM seals. LEAKPROOF SEALS fork seals deliver a 20% stiction reduction and maintain a...7216- SKU:
- 7216
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- FOR STANDARD FORKS
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.39'
- INSIDE DIAMETER METRIC:
- 34.60 MM
- OUTSIDE DIAMETER METRIC:
- 49.20 MM
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 10.00 MM
- TYPE:
- STANDARD
$30.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 27 mm ID x 39 mm OD x 10.5 mm T 7218
LEAKPROOF SEALS
$28.95Fork seal degradation leads to oil weeping, inconsistent damping, and premature wear on your stanchions—all of which compromise suspension performance and reliability. The LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a pressure-balanced design...7218- SKU:
- 7218
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- INSIDE DIAMETER METRIC:
- 27.00 MM
- MODEL:
- FOR STANDARD FORKS
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 39.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 43 mm ID x 55 mm x OD 9.5/11 mm T 7243
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the most common causes of suspension performance loss and costly internal damage in high-performance applications. The LEAKPROOF SEALS Classic Leak Proof Fork Seals eliminate weeping, maintain consistent damping...7243- SKU:
- 7243
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- PRODUCT NAME:
- FORK SEAL
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
- INSIDE DIAMETER METRIC:
- 43.00 MM
- MODEL:
- FOR STANDARD FORKS
- UNITS:
- PAIR
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 41 mm ID x 54 mm OD x 11 mm T 7247
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the most common culprits behind oil weeping, reduced damping performance, and premature shock wear. The LEAKPROOF SEALS Classic Leak Proof Fork Seals eliminate this problem with a pressure-balanced design and premium...7247- SKU:
- 7247
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- INSIDE DIAMETER METRIC:
- 41.00 MM
- MODEL:
- FOR STANDARD FORKS
- THICKNESS IMPERIAL:
- 0.43'
- TYPE:
- STANDARD
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 39 mm ID x 51 mm OD x 10 mm T 7248
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the most common culprits behind oil weeping, reduced damping performance, and premature wear on your suspension components. The LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a pressure-balanced design that...7248- SKU:
- 7248
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- FOR STANDARD FORKS
- TYPE:
- STANDARD
- UNITS:
- PAIR
- THICKNESS IMPERIAL:
- 0.39'
- INSIDE DIAMETER METRIC:
- 39.00 MM
- OUTSIDE DIAMETER METRIC:
- 51.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.00 MM
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 38 mm ID x 50 mm OD x 8 mm T 7252
LEAKPROOF SEALS
$28.95Fork seal degradation causes oil weeping, inconsistent damping, and premature wear on your suspension components. LEAKPROOF SEALS Classic Leak Proof Fork Seals eliminate these issues with a pressure-balanced design that handles extreme conditions...7252- SKU:
- 7252
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL
- THICKNESS IMPERIAL:
- 0.32'
- MODEL:
- FOR STANDARD FORKS
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 38.00 MM
- UNITS:
- PAIR
- THICKNESS METRIC:
- 8.00 MM
- TYPE:
- STANDARD
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 36 mm ID x 46 mm OD x 11 mm T 7233
LEAKPROOF SEALS
$49.95Fork seal degradation causes oil weeping, reduced damping performance, and accelerated wear on your stanchions—problems that compound quickly in racing and aggressive riding. The LEAKPROOF SEALS 7233 fork seals eliminate these issues with a...7233- SKU:
- 7233
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 36.00 MM
- THICKNESS IMPERIAL:
- 0.43'
- THICKNESS METRIC:
- 11.00 MM
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 46.00 MM
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- TYPE:
- STANDARD
$49.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 41 mm ID x 53 mm OD x 10.5 mm T 7235
LEAKPROOF SEALS
$28.95Fork seal degradation is one of the most common failure points on suspension systems, leading to oil weeping, reduced damping performance, and accelerated wear on fork internals. The LEAKPROOF SEALS Classic Leak Proof Fork Seals eliminate this...7235- SKU:
- 7235
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER METRIC:
- 53.00 MM
- PRODUCT NAME:
- FORK SEAL
- TYPE:
- STANDARD
- MODEL:
- FOR STANDARD FORKS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 41.00 MM
- THICKNESS METRIC:
- 10.50 MM
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 39 mm ID x 52 mm OD x 11 mm T 7236
LEAKPROOF SEALS
$28.95Stock fork seals deteriorate quickly under racing conditions, allowing oil to weep onto your brakes and suspension components. The LEAKPROOF SEALS Classic Fork Seals deliver sustained pressure integrity and dramatically reduced stiction, keeping your...7236- SKU:
- 7236
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- STANDARD
- UNITS:
- PAIR
- THICKNESS IMPERIAL:
- 0.43'
- INSIDE DIAMETER METRIC:
- 39.00 MM
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$28.95 -
LEAKPROOF SEALS Classic Leak Proof Fork Seals - 30 mm ID x 42 mm OD x 10.5 mm T 7237
LEAKPROOF SEALS
$28.95Fork seal degradation leads to oil leakage, reduced damping performance, and accelerated wear on your suspension components. The LEAKPROOF SEALS Classic Leak Proof Fork Seals deliver a pressure-balanced design that outperforms standard OEM seals by 20%...7237- SKU:
- 7237
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- INSIDE DIAMETER METRIC:
- 30.00 MM
- MODEL:
- FOR STANDARD FORKS
- THICKNESS METRIC:
- 10.50 MM
- TYPE:
- STANDARD
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0.41'
- OUTSIDE DIAMETER METRIC:
- 42.00 MM
$28.95 -
LEAKPROOF SEALS Pro-Moly Seal/Wiper Kit - 43 mm ID x 54 mm OD x 11 mm T 42460
LEAKPROOF SEALS
$45.95Stock seals degrade under heat and pressure, leading to fluid leaks that compromise performance and damage surrounding components. The LEAKPROOF SEALS Pro-Moly Seal/Wiper Kit replaces worn seals with advanced materials engineered to handle extreme racing...04070117- SKU:
- 04070117
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- PRODUCT NAME:
- FORK PRO WIPER/SEAL
- MODEL:
- FOR STANDARD FORKS
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 43.00 MM
- TYPE:
- STANDARD
- UNITS:
- PAIR
$45.95Qty in Cart: 0Quantity:Price:$45.95Subtotal:
