Harley Drivetrain
Harley Bike Drivetrain Parts at JJ Motorsports
Upgrade your Harley's drivetrain for smoother power delivery and reliability with components from JJ Motorsports. Our selection includes transmission mounting plates, offset sprockets, mechanical reverse kits, starter spacers, pulley spacers, and primary covers designed for heavy-duty use, easy bolt-in installation, and enhanced performance. Compatible with Big Twins, Softail, Dyna, and more, these parts feature chrome finishes, billet aluminum, and CNC-machined steel for corrosion resistance and custom fitment.
Shop trusted brands like Paughco for primary covers and PBI for sprockets. Explore related categories such as Harley engine parts for rebuilds or Harley suspension for balanced setups.
Top Harley Drivetrain Products
- PAUGHCO Transmission Plate - OE Type 4-Speed 218 – Heavy-duty steel for Big Twins with 4-speed transmissions.
- PBI Offset Transmission Sprocket - 22-Tooth 281-22 – CNC-machined chromoly steel with 0.750" offset for 530 chains.
- MOTOR TRIKE Mechanical Reverse Kit MTTR-0025 – Lightweight aluminum with electronic cut-off for easy parking.
- TERRY COMPONENTS Starter Spacer 779000 – Billet aluminum, 1-1/2" thick for longer starters.
- PINGEL Rear Pulley Spacer 62051 – Billet aluminum for wider tires up to 142mm.
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
-
DRAG SPECIALTIES Rear Wheel Sprocket - 46-Tooth - Black 16428EB
DRAG SPECIALTIES
$77.95High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12101840- SKU:
- 12101840
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- OFFSET IMPERIAL:
- 0.23'
- TOOTH COUNT:
- 46
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- TYPE:
- DRIVE
- MATERIAL:
- CARBON STEEL
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- UNITS:
- EACH
$77.95Qty in Cart: 0Quantity:Price:$77.95Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 48-Tooth - Black 19093EB
DRAG SPECIALTIES
$73.79High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12101841- SKU:
- 12101841
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- OFFSET IMPERIAL:
- 0.23'
$73.79Qty in Cart: 0Quantity:Price:$73.79Subtotal: -
DRAG SPECIALTIES Rear Wheel Sprocket - 49-Tooth - Black 17512EB
DRAG SPECIALTIES
$87.31High-grade carbon steel replacement rear wheel sprocket, 1.9" center hole12101842- SKU:
- 12101842
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- CARBON STEEL
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- MOUNTING POSITION:
- REAR
- OFFSET IMPERIAL:
- 0.23'
- TYPE:
- DRIVE
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
$87.31 -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Flat - 46-Tooth 16429EB
DRAG SPECIALTIES
$87.31Convert rear drive belt to 530 chain, 2.22" Center diameter12101843- SKU:
- 12101843
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- BORE SIZE IMPERIAL:
- 2.220'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- MOUNTING POSITION:
- REAR
- OFFSET IMPERIAL:
- CENTERED
- RIDING STYLE:
- STREET
- STYLE:
- FLAT
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- UNITS:
- EACH
$87.31 -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Flat - 49-Tooth 16422EB
DRAG SPECIALTIES
$85.23Convert rear drive belt to 530 chain, 2.22" Center diameter12101845- SKU:
- 12101845
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- STYLE:
- FLAT
- TOOTH COUNT:
- 49
- BORE SIZE IMPERIAL:
- 2.220'
- MOUNTING POSITION:
- REAR
- OFFSET IMPERIAL:
- CENTERED
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$85.23 -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Flat - 51-Tooth 16423EB
DRAG SPECIALTIES
$93.55Convert rear drive belt to 530 chain, 2.22" Center diameter12101846- SKU:
- 12101846
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
- BORE SIZE IMPERIAL:
- 2.220'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- OFFSET IMPERIAL:
- CENTERED
- STYLE:
- FLAT
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
$93.55 -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Dished - 46-Tooth 16431EB
DRAG SPECIALTIES
$89.39Convert rear drive belt to 530 chain, 2.22" Center diameter12101847- SKU:
- 12101847
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- BORE SIZE IMPERIAL:
- 2.220'
- OFFSET IMPERIAL:
- 0.230'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
$89.39Qty in Cart: 0Quantity:Price:$89.39Subtotal: -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Dished - 48-Tooth 16424EB
DRAG SPECIALTIES
$93.55Convert rear drive belt to 530 chain, 2.22" Center diameter12101848- SKU:
- 12101848
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 48
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- OFFSET IMPERIAL:
- 0.230'
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- BORE SIZE IMPERIAL:
- 2.220'
$93.55 -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Dished - 49-Tooth 16425EB
DRAG SPECIALTIES
$93.55Convert rear drive belt to 530 chain, 2.22" Center diameter12101849- SKU:
- 12101849
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- BORE SIZE IMPERIAL:
- 2.220'
- OFFSET IMPERIAL:
- 0.230'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- UNITS:
- EACH
$93.55 -
DRAG SPECIALTIES Rear Sprocket - Gloss Black - Dished - 51-Tooth 16426EB
DRAG SPECIALTIES
$93.55Convert rear drive belt to 530 chain, 2.22" Center diameter12101850- SKU:
- 12101850
- Availability:
- Ships Same Business Day
- Weight:
- 4.90 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- CONVERSION
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- COLOR/FINISH:
- GLOSS
- OFFSET IMPERIAL:
- 0.230'
- RIDING STYLE:
- STREET
- STYLE:
- DISHED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- BORE SIZE IMPERIAL:
- 2.220'
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$93.55Qty in Cart: 0Quantity:Price:$93.55Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 21 Tooth - XL 17506
DRAG SPECIALTIES
$38.43High-quality steel replacement sprocket, Heat treated for added durability12120729- SKU:
- 12120729
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 21
- CHAIN SIZE:
- 530
- TYPE:
- MAINSHAFT
$38.43 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth - XL 17508
DRAG SPECIALTIES
$38.43High-quality steel replacement sprocket, Heat treated for added durability12120731- SKU:
- 12120731
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 530
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 23
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
$38.43 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 21-Tooth - XL 71811
DRAG SPECIALTIES
$38.43High-quality steel replacement sprocket, Heat treated for added durability12120733- SKU:
- 12120733
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 21
- TYPE:
- MAINSHAFT
$38.43 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth - XL 72592
DRAG SPECIALTIES
$35.31High-quality steel replacement sprocket, Heat treated for added durability12120735- SKU:
- 12120735
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 23
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
- COLOR/FINISH:
- RAW
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
$35.31 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 21 Tooth 71563
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120738- SKU:
- 12120738
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 21
- TYPE:
- MAINSHAFT
- CHAIN SIZE:
- 530
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth 71565
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120740- SKU:
- 12120740
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- CHAIN SIZE:
- 530
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 23
- TYPE:
- MAINSHAFT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$31.15 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 22 Tooth 17501
DRAG SPECIALTIES
$33.23High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120696- SKU:
- 12120696
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 22
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
$33.23 -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 23 Tooth 17502
DRAG SPECIALTIES
$32.19High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120697- SKU:
- 12120697
- Availability:
- Ships Same Business Day
- Weight:
- 1.23 LBS
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 23
- MATERIAL:
- STEEL
- TYPE:
- MAINSHAFT
$32.19Qty in Cart: 0Quantity:Price:$32.19Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 24 Tooth 17503
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120698- SKU:
- 12120698
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- CHAIN SIZE:
- 530
- TYPE:
- MAINSHAFT
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 24
- UNITS:
- EACH
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal: -
DRAG SPECIALTIES Transmission Mainshaft Sprocket - 25 Tooth 17504
DRAG SPECIALTIES
$31.15High-quality OEM-style replacement sprockets, Heat-treated for added durability, For use with 530 chain12120699- SKU:
- 12120699
- Availability:
- Ships Same Business Day
- Weight:
- 1.43 LBS
- CHAIN SIZE:
- 530
- TYPE:
- MAINSHAFT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 25
- UNITS:
- EACH
$31.15Qty in Cart: 0Quantity:Price:$31.15Subtotal:
