Adventure/Touring Bike Drivetrain & Transmission Parts
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Drive Chains
Sprockets
Chain & Sprocket Kits
Drive Belts & Pulleys
Primary Chains & Belts
Clutches
Transmissions & Components
Variators
Axles & Accessories
Chain Guide, Protection & Sliders
Transmission Covers
Chain & Belt Adjusters
Primary Chain & Belt Tensioners
Transmission Sensors & Switches
Clutch Lines
Transmission Gaskets, Seals & Bushings
Drivetrain & Transmission Bearings
Drivetrain & Transmission Mounts
Engine & Transmission Custom Covers
Drive Belt & Drive Shaft Covers
Chain Lubes & Cleaners
Transmission Fluids & Oils
Gear Oils
Greases
Drivetrain & Transmission Tools
Featured Brands
- Feuling®ARP™ Primary and Transmission Bolt KitARP™ Primary and Transmission Bolt Kit by Feuling®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Wide underhead flange design provides even load distribution for optimum sealing of surfaces - preventing leaksTop engine builders demand quality fasteners! Secure your engine with complete confidence$129.95 - $269.95
- Gardner-Westcott®Rear Wheel Adjustment BoltsRear Wheel Adjustment Bolts by Gardner-Westcott®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed specifically for the powersports industryWill snugly fit your motorcycle and solve all your fastening needs$15.33 - $23.70
- Goodridge®Hydraulic Build-A-Clutch LineHydraulic Build-A-Clutch Line by Goodridge®. 1 Piece. Using Goodridge universal adaptors, clutch actuator and universal line quickly and easily build a hydraulic clutch line in O.E. or custom lengths. The PVC line coating is extruded...Expertly crafted from the highest grade materialsUnique, dependable, and functional$42.70 - $50.30
- Goodridge®Hydraulic Clutch LineHydraulic Clutch Line by Goodridge®. Goodridge hydraulic clutch lines fit all Harley models with stock or P&A hydraulic clutch systems. They feature clear PVC coated premium stainless braided hose with a PTFE liner and chrome...Expertly crafted from the highest grade materialsUnique, dependable, and functional$59.66 - $62.71
- Hayden Enterprises®Primary Chain TensionerPrimary Chain Tensioner by Hayden Enterprises®. The M6 Primary Chain Tensioner makes a smoother ride by reducing annoying vibration, by keeping constant and correct tension at all times. Your transmission will 'click' into gear instead...Made in USAThoroughly developed for unbeatable quality and enduring value$121.25
- JIMS®Kicker Gear BushingKicker Gear Bushing by JIMS®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.Unique design to meet your tastes and preferencesManufactured to deliver incredible quality$22.64 - $30.24
- James Gaskets®Clutch Derby Cover GasketClutch Derby Cover Gasket by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$21.58 - $76.48
- James Gaskets®Clutch Derby Cover O-RingsClutch Derby Cover O-Rings by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to cover your gasket and sealing needsWill provide unmatched quality and dependability$17.85 - $35.77
- James Gaskets®Clutch Hub Nut Oil SealsClutch Hub Nut Oil Seals by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$13.88 - $15.22
- James Gaskets®Clutch Release Cover GasketClutch Release Cover Gasket by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to cover your gasket and sealing needsWill provide unmatched quality and dependability$19.45 - $38.79
- James Gaskets®Clutch Release Lever Oil SealClutch Release Lever Oil Seal by James Gaskets®. Quantity: 1 Piece. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made in USADesigned to cover your gasket and sealing needs$7.41 - $24.26
- James Gaskets®Derby Cover Gasket KitDerby Cover Gasket Kit by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$9.73 - $11.20
- James Gaskets®Inner Chain Cover Oil SealsInner Chain Cover Oil Seals by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$25.72 - $28.02
- James Gaskets®Inner Chain Cover to Motor Case O-RingsInner Chain Cover to Motor Case O-Rings by James Gaskets®. Quantity: 10 Pieces. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Made in USADesigned to cover your gasket and sealing needs$36.10 - $41.51
- James Gaskets®Inspection Cover GasketInspection Cover Gasket by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$9.73 - $51.92
- James Gaskets®Inspection Cover Oil Seal KitInspection Cover Oil Seal Kit by James Gaskets®. Molded Rubber, Beaded Oil Seal with Metal Insert Works with all Inspection Covers, Billet, Stamped, or Cast. Warped Cover? No Problem! This top-grade product is expertly made in...Made in USADesigned to cover your gasket and sealing needs$11.20
- James Gaskets®Left Side Transmission Mainshaft Oil Seal KitLeft Side Transmission Mainshaft Oil Seal Kit by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made in USADesigned to cover your gasket and sealing needs$12.62 - $28.40
- James Gaskets®Main Drive Gear End Oil SealsMain Drive Gear End Oil Seals by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to cover your gasket and sealing needsWill provide unmatched quality and dependability$15.70 - $16.67
- James Gaskets®Main Drive Gear O-RingsMain Drive Gear O-Rings by James Gaskets®. Quantity: 10 Pieces. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed to cover your gasket and sealing needsWill provide unmatched quality and dependability$15.29 - $25.12
- James Gaskets®Primary Cover GasketPrimary Cover Gasket by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$39.59 - $209.68
- James Gaskets®Primary Cover Gasket and Seal KitPrimary Cover Gasket and Seal Kit by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$36.71 - $102.93
- James Gaskets®Primary Inspection Cover GasketsPrimary Inspection Cover Gaskets by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$15.13 - $39.28
- James Gaskets®Primary Inspection and Derby Cover Gasket KitPrimary Inspection and Derby Cover Gasket Kit by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Made in USADesigned to cover your gasket and sealing needs$29.60
- James Gaskets®Pushrod Tube O-Ring KitPushrod Tube O-Ring Kit by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Expertly made from sturdy materialsDeveloped with modern technology and innovation$9.61 - $13.40
- James Gaskets®Tappet Guide to Pushrod Cover O-RingsTappet Guide to Pushrod Cover O-Rings by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Made in USADesigned to cover your gasket and sealing needs$13.88 - $20.03
- James Gaskets®Transmission Bearing Cover GasketTransmission Bearing Cover Gasket by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$17.42 - $32.67
- James Gaskets®Transmission Gasket and Seal KitTransmission Gasket and Seal Kit by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$38.44 - $122.37
- James Gaskets®Transmission Oil Pan GasketsTransmission Oil Pan Gaskets by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to cover your gasket and sealing needsWill provide unmatched quality and dependability$39.33 - $76.63
- James Gaskets®Transmission Top Cover GasketTransmission Top Cover Gasket by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made in USADesigned to cover your gasket and sealing needs$16.54 - $45.16
- James Gaskets®Wheel Bearing Oil SealsWheel Bearing Oil Seals by James Gaskets®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to cover your gasket and sealing needsWill provide unmatched quality and dependability$9.28 - $40.96
Motorcycle transmission and drivetrain systems have their own peculiarities. Most bikes are equipped with a manual sequential transmission. Rather compact and lightweight, it perfectly transfers power and typically has five or six gears to shift using a foot lever. Meanwhile, such renowned companies as Honda and Aprilia try to change the game by offering models with a dual-clutch gearbox or a CVT, and they achieved considerable success. However, all the abovementioned systems are quite complex mechanisms that require regular maintenance or even repairs from time to time.
Most manual assemblies are robust enough, but over time, moving parts may start giving you trouble due to friction, corrosion, or mechanical damage. Problems with a lever, shift forks, and other components of the shifting mechanism can be accompanied with a worn-out clutch, gears, and bearings, giving the bike's owner a strong reason to make a total rebuild. In CVTs, belt replacement is arguably the most common procedure; besides the belt itself, a clutch holding/removing tool is needed, and such a job requires certain experience and skills.
When it comes to final drive, engine output can be transferred to the rear wheel in three ways – via the chain, belt, or shaft. The first way is the most widespread; it's efficient and reliable enough, although the chain tends to stretch, and sprockets also gradually wear out. Such a setup needs to be periodically tightened, cleaned, and lubed to last long; fortunately, there are plenty of corresponding tools and chemicals allowing you to easily and effectively remove old dirty grease and protect metal parts from moisture and rust. As for the belt, corrosion is not an issue at all. Considered to be a decent alternative to the chain, the belt needs almost no maintenance and works quieter and smoother.
The very early bikes used leather drive belts that didn't last long. Modern belts are way stronger and use special hydrogenated nitrile rubber (HNBR) mixtures resistant to oil and heat, polyamide fabric for reinforcement, wear-resistant polyethylene coating, and other materials enabling these parts to last almost as long as the bike itself, though you may need to check and adjust the belt's deflection. Meanwhile, chains and sprockets are considered stronger than belts & pulleys and better withstand hard acceleration. Most high-performance and superpowerful motorcycles still use them, along with some custom two-wheelers where chains allow for installing different sprockets to match the output of a modified motor.
As for shaft drive, this mechanism is extremely durable and virtually maintenance-free, under the condition that you regularly change gear oil. While refilling the case, check for the presence of metal shavings in old oil, which can be the first sign of run-down gears. Also, there must be no leaks caused by faulty seals. In terms of performance, approximately 20-25 percent of torque is lost in this kind of drive, and the system is heavier than other setups, so there is no sense to install it in small-displacement and supersport motorcycles in which extra weight is undesirable. We carry quality aftermarket parts, chemicals, and tools for any of the abovementioned systems. While many components are factory-style replacements, others have a custom finish and are used for various upgrades.