Dirt Bike Drivetrain
Dirt Bike Drivetrain Parts at JJ Motorsports
Enhance your dirt bike’s power transfer with premium drivetrain parts from JJ Motorsports. Find heavy-duty chains, front and rear sprockets, and clutch components designed to withstand intense riding demands. Combine these with other motocross gear and parts to maximize acceleration and ride efficiency on the track or trail.
Shop trusted brands like JT Chains for sealed chains and Renthal for ultralight sprockets. Explore related categories such as Dirt Bike Engine Parts for power upgrades or Dirt Bike Exhaust for complete tuning.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE OFFROAD Steel Rear Sprocket - TM - 48 Tooth 1210-520TM-48ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - 1210-520TM-48ST Constructed from high-quality C45 high-carbon steel for enhanced durability. CNC precision-machined to ensure tight tolerances for optimal performance. Features strategically placed lightening holes for...12102128- SKU:
- 12102128
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 48 Tooth 1210-520TM-49ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - 1210-520TM-49ST Constructed from durable C45 high-carbon steel for long-lasting performance. CNC precision-machined to ensure tight tolerances for optimal fit. Features machined lightening holes to reduce weight without...12102129- SKU:
- 12102129
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 50 Tooth 1210-520TM-50ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - TM - 50 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102130- SKU:
- 12102130
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - TM - 52 Tooth 1210-520TM-52ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - TM - 52 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102132- SKU:
- 12102132
- Availability:
- Ships Same Business Day
- Weight:
- 2.23 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 48 Tooth 1210-1134-48-ST
MOOSE OFFROAD
$12.95Steel Rear Sprocket - 1210-1134-48-ST Durable construction from premium C45 high-carbon steel. CNC precision-machined for exact fit and performance. Lightening holes designed to reduce weight without sacrificing strength. Attractive...12102133- SKU:
- 12102133
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$12.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 50 Tooth 1210-1134-50-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Yamaha - 50 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102134- SKU:
- 12102134
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 43 Tooth 1210-1876-43-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Yamaha - 43 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102135- SKU:
- 12102135
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 45 Tooth 1210-1876-45-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Yamaha - 45 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102136- SKU:
- 12102136
- Availability:
- Ships Same Business Day
- Weight:
- 2.28 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-301-45-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - 1210-301-45-ST Constructed from durable C45 high-carbon steel for enhanced strength and longevity. CNC precision-machined to ensure exact tolerances for optimal performance. Features lightening holes to reduce weight...12102137- SKU:
- 12102137
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 43 Tooth 1210-487-43-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Kawasaki - 1210-487-43-ST Constructed from high-quality C45 high-carbon steel for durability. CNC precision-machined to ensure exact tolerances for optimal performance. Features strategically placed lightening holes to...12102138- SKU:
- 12102138
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 44 Tooth 1210-487-44-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Kawasaki - 44 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102139- SKU:
- 12102139
- Availability:
- Ships Same Business Day
- Weight:
- 1.82 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Kawasaki - 46 Tooth 1210-487-46-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Kawasaki - 1210-487-46-ST Constructed from high-quality C45 high-carbon steel for enhanced durability. CNC precision-machined to ensure tight tolerances for optimal performance. Features lightweight holes for reduced...12102140- SKU:
- 12102140
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 45 Tooth 1210-857-45-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Yamaha - 45 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102141- SKU:
- 12102141
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha- 45 Tooth 1210-855-45-ST
MOOSE OFFROAD
$29.95Steel Rear Sprocket - Yamaha- 45 Tooth Manufactured from premium-quality C45 high-carbon steel, CNC precision-machined to assure tight tolerances, Machined with lightening holes, Attractive bright zinc-plated finish12102142- SKU:
- 12102142
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 48 Tooth 1210-855-48-ST
MOOSE OFFROAD
$12.95Steel Rear Sprocket - Yamaha - 1210-855-48-ST Constructed from high-quality C45 high-carbon steel for durability. CNC precision-machined for exact fit and performance. Features lightening holes for reduced weight without compromising...12102143- SKU:
- 12102143
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$12.95 -
MOOSE OFFROAD Rear Sprocket - 45 Tooth 1211-210-45-10
MOOSE OFFROAD
$39.95Rear Sprocket - 1211-210-45-10 Constructed from premium 7075 T651 aluminum for enhanced durability. Features an extra tempering process to minimize distortion. Optimal thickness design ensures superior performance compared to standard 7075...12111412- SKU:
- 12111412
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 46 Tooth 1211-210-46-10
MOOSE OFFROAD
$39.95Rear Sprocket - 46 Tooth 1211-210-46-10 Constructed from high-quality 7075 T651 aluminum for enhanced durability. Extra tempering process minimizes distortion while maintaining optimal thickness. 100% machined design ensures precision...12111413- SKU:
- 12111413
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 48 Tooth 1211-210-48-10
MOOSE OFFROAD
$39.95Rear Sprocket - 48 Tooth The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth...12111415- SKU:
- 12111415
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 49 Tooth 1211-210-49-10
MOOSE OFFROAD
$39.95Rear Sprocket - 49 Tooth The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth...12111416- SKU:
- 12111416
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 55 Tooth 1211-215-55-10
MOOSE OFFROAD
$39.95Rear Sprocket - 55 Tooth The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth...12111424- SKU:
- 12111424
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$39.95
