Dirt Bike
Browse over 50,000+ off-roading dirt bike parts and gear ready to be delivered to your doorstep. We offer riding gear & apparel at great prices. Along with parts and tools you need to keep the bike on the track or trails. Shop the biggest names in the motocross industry from Renthal, Dunlop, Thor, Maxima, Pro Circuit, Bill's Pipes, FMF, Excel and so many more. From dirt bike engine parts to new clutches we have what you need to stay one step ahead of your competition. Have a fitment question? reach out to our phone line at (231) 767-5055
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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 more linear feel throughout your suspension travel...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 damping curve throughout the stroke, reducing the...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 Bladder Cap increases your shock's internal volume for a...13140726- SKU:
- 13140726
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95 -
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 increases that volume while maintaining precise pressure...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 sustained racing or aggressive driving. The SDI Bladder Cap...13140730- SKU:
- 13140730
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$61.95Qty in Cart: 0Quantity:Price:$61.95Subtotal: -
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, predictable feel through the suspension stroke. The anodized blue...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 is engineered to smooth initial control response,...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 predictable initial control that keeps your setup dialed in...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 fine-tuning capability that dedicated racers demand. 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 path with adjustable pilot pressure, giving you the...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 precision-engineered washer delivers that adjustment without...13140736- SKU:
- 13140736
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$14.95 -
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 adjustment without requiring extensive fabrication, making...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 construction, giving you the geometry adjustment you...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. This precision-machined washer gives you exact control...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 your ride height precisely while maintaining shock...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 sacrificing shock performance, making it ideal for riders...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 replacing your stock washer—perfect for riders seeking...13140742- SKU:
- 13140742
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$26.95 -
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. Whether you're fine-tuning your bike's geometry for...13140743- SKU:
- 13140743
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$20.95 -
SDI Shock Lowering Stop Washer - Rear - Lowers 6.5 mm SDERLWXPL-6.5
SDI
$21.95Lowering your bike's rear end doesn't require extensive fabrication or permanent modifications—the SDI Shock Lowering Stop Washer delivers a straightforward 6.5 mm drop with a simple bolt-on installation. Built from precision-machined chromoly, this...13140744- SKU:
- 13140744
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$21.95 -
SDI Schrader Valve Assembly - Heat Resistance DRAVASS-HR
SDI
$9.95High-temperature racing environments demand valve components that won't fail under extreme pressure and heat cycles. The SDI Schrader Valve Assembly with heat-resistant construction ensures reliable tire pressure monitoring and inflation consistency,...13140746- SKU:
- 13140746
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$9.95
