Motocross/Dirt Bike Drivetrain & Transmission Parts
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Drive Chains
Sprockets
Chain & Sprocket Kits
Clutches
Transmissions & Components
Variators
Axles & Accessories
Wheel Hubs
Chain Guide, Protection & Sliders
Sprocket Guards
Transmission Covers
Chain & Belt Adjusters
Clutch Lines
Transmission Gaskets, Seals & Bushings
Drivetrain & Transmission Bearings
Drivetrain & Transmission Mounts
Engine & Transmission Custom Covers
Chain Lubes & Cleaners
Transmission Fluids & Oils
Gear Oils
Greases
Drivetrain & Transmission Tools
Featured Brands
- Bel-Ray®Blue Tac Chain Lube AerosolUniversal Blue Tac Chain Lube Aerosol by Bel-Ray®. Bel-Ray Blue Tac Chain Lube is a high-performance, fully synthetic chain lube for all powersports chain applications. Developed with input from professional racing teams, Blue Tac Chain...For all street, off-road and racing applications including 'O' and 'X' ring unitsExtremely tacky and designed to resist fling-off even in high speed applications$3.97 - $13.82
- Bel-Ray®Gear Saver Hypoid Gear OilUniversal Gear Saver Hypoid Gear Oil by Bel-Ray®. Bel-Ray® Gear Saver Hypoid Gear Oil features Bel-Ray's state-of-the-art Extreme Pressure chemistry to give unsurpassed protection for heavily-loaded shaft drive and final drive units....Formulated for the highest protection levels in final drive units, including limited slipSmoother shifting and reduced gear whine$13.82
- Bel-Ray®Gear Saver Hypoid Gear OilUniversal Gear Saver Hypoid Gear Oil by Bel-Ray®. Bel-Ray® Gear Saver Hypoid Gear Oil features Bel-Ray's state-of-the-art Extreme Pressure chemistry to give unsurpassed protection for heavily-loaded shaft drive and final drive units....Formulated for the highest protection levels in final drive units, including limited slipSmoother shifting and reduced gear whine$13.82
- Bel-Ray®Gear Saver Transmission OilUniversal Gear Saver Transmission Oil by Bel-Ray®. Bel-Ray® Gear Saver Transmission Oil is a gear oil that has been developed for the unique demands of all motorcycle transmissions equipped with wet clutches. Bel-Ray Gear Saver...Maximum protection and performance in the transmissions of 2-cycle motorcyclesFormulated to protect transmission gears from wear$13.82 - $400.20
- Bel-Ray®Gear Saver Transmission OilUniversal Gear Saver Transmission Oil by Bel-Ray®. Bel-Ray® Gear Saver Transmission Oil is a gear oil that has been developed for the unique demands of all motorcycle transmissions equipped with wet clutches. Bel-Ray Gear Saver...Maximum protection and performance in the transmissions of 2-cycle motorcyclesFormulated to protect transmission gears from wear$13.82 - $400.20
- Bel-Ray®Super Clean Chain Lube AerosolUniversal Super Clean Chain Lube Aerosol by Bel-Ray®. Bel-Ray® Super Clean Chain Lube is an aerosol chain lube that utilizes the the latest innovation in chain lubricant technology, combining unsurpassed anti-wear protection for long...$9.07 - $16.53
- Bel-Ray®Super Clean Chain Lube AerosolUniversal Super Clean Chain Lube Aerosol by Bel-Ray®. Bel-Ray® Super Clean Chain Lube is an aerosol chain lube that utilizes the the latest innovation in chain lubricant technology, combining unsurpassed anti-wear protection for long...Superior anti-wear Special anti-wear additives provide exceptional protection against metal-to-metal contact for longer chain lifeCorrosion protection Full chain coverage is achieved easily to form a protective coating that is waterproof and will not wash out$10.13 - $16.53
- Bel-Ray®Waterproof GreaseWaterproof Grease by Bel-Ray®. Bel-Ray Waterproof Grease is the legendary high-performance, multi-purpose grease. Superior water resistance, even in salt water, will ensure continued sealing and protection. Perfect for wheel bearings,...Saltwater proofBel-Ray Waterproof Grease provides superior water resistance and load carrying capacity$14.36 - $16.53
- Energy Release®G-200 High Temperature Synthetic GreaseG-200 High Temperature Synthetic Grease by Energy Release®. G-200 Synthetic Grease is a high temperature, low speed (under 1200 RPM) grease. It is recommended for severe applications such as disc brake wheel bearings, Spicer and...Heat resistantHigh melting point$10.30 - $10.86
- Howards Cams®Extreme Pressure™ Lube Assembly LubricantExtreme Pressure™ Lube Assembly Lubricant by Howards Cams®. This specialty fastener lubricant was developed to be more consistent, be more repeatable, be metal free, and to achieve the target preload on the 1st torque cycle. Prevents...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$1.85 - $14.97
- Klotz®Chain LubeUniversal Chain Lube by Klotz®. 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 industry-leading...Klotz EXTRATAC™ anti-wear system extends chain life and reduces friction power lossEXTRATAC penetrates to loosen stiff links$10.79 - $13.04
- Klotz®Chain LubeUniversal Chain Lube by Klotz®. 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 industry-leading...Klotz EXTRATAC™ anti-wear system extends chain life and reduces friction power lossEXTRATAC penetrates to loosen stiff links$10.79 - $13.04
- Klotz®Flex Drive™ 30 Synthetic Transmission LubricantUniversal Flex Drive™ 30 Synthetic Transmission Lubricant by Klotz®. 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....Recommended for 2 and 4-stroke transmissionsLow viscosity, extreme pressure SAE 75W/80$13.93 - $17.74
- Klotz®Flex Drive™ 30 Synthetic Transmission LubricantUniversal Flex Drive™ 30 Synthetic Transmission Lubricant by Klotz®. 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....Recommended for 2 and 4-stroke transmissionsLow viscosity, extreme pressure SAE 75W/80$13.93 - $17.74
- Lucas Oil®Primary Chain Case OilUniversal Primary Chain Case Oil by Lucas Oil®. 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 with the finest materials to offer premium qualityUnique design to help you show off your personal style$129.98 - $179.39
- Lucas Oil®Primary Chain Case OilUniversal Primary Chain Case Oil by Lucas Oil®. 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 with the finest materials to offer premium qualityUnique design to help you show off your personal style$129.98 - $179.39
- Lucas Oil®SAE 75W-90 Synthetic Gear OilUniversal SAE 75W-90 Synthetic Gear Oil by Lucas Oil®. Lucas SAE 75W-90 Synthetic Gear Oil is a non-foaming, super slick, long lasting lubricant designed especially for heavy duty or high performance applications where other gear...Heavy dutyHigh performance$10.35 - $54.98
- Lucas Oil®SAE 75W-90 Synthetic Gear OilUniversal SAE 75W-90 Synthetic Gear Oil by Lucas Oil®. Lucas SAE 75W-90 Synthetic Gear Oil is a non-foaming, super slick, long lasting lubricant designed especially for heavy duty or high performance applications where other gear...Heavy dutyHigh performance$10.35 - $54.98
- Maxima Racing Oils®75W MTL-XL Motorcycle Transmission/Clutch FluidUniversal 75W MTL-XL Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$12.00 - $135.77
- Maxima Racing Oils®75W MTL-XL Motorcycle Transmission/Clutch FluidUniversal 75W MTL-XL Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$12.00 - $135.77
- Maxima Racing Oils®80W MTL-R Motorcycle Transmission/Clutch FluidUniversal 80W MTL-R Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$9.18 - $167.52
- Maxima Racing Oils®80W MTL-R Motorcycle Transmission/Clutch FluidUniversal 80W MTL-R Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$9.18 - $167.52
- Maxima Racing Oils®Assembly Grease, 16 ozAssembly Grease, 16 oz by Maxima Racing Oils®. 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 to deliver trouble-free operation for years aheadOptimal protection against wear$16.11 - $205.33
- Maxima Racing Oils®Chain Wax Lubricant AerosolUniversal Chain Wax Lubricant Aerosol by Maxima Racing Oils®. Contains no CFC's! Maxima Clean Up is a heavy duty, emulsion type cleaner designed to thoroughly clean chains without harming rubber o-rings or metal surfaces. Outstanding...$4.27 - $181.14
- Maxima Racing Oils®Chain Wax Lubricant AerosolUniversal Chain Wax Lubricant Aerosol by Maxima Racing Oils®. Contains no CFC's! Maxima Clean Up is a heavy duty, emulsion type cleaner designed to thoroughly clean chains without harming rubber o-rings or metal surfaces. Outstanding...$4.27 - $181.14
- Maxima Racing Oils®Clean-Up Chain Cleaner, 15.5 ozUniversal Clean-Up Chain Cleaner, 15.5 oz by Maxima Racing Oils®. Contains no CFC's! Maxima Clean Up is a heavy duty, emulsion type cleaner designed to thoroughly clean chains without harming rubber o-rings or metal surfaces....Excellent chain cleanerRemoves caking and build-up$14.10 - $169.05
- Maxima Racing Oils®Clean-Up Chain Cleaner, 15.5 ozUniversal Clean-Up Chain Cleaner, 15.5 oz by Maxima Racing Oils®. Contains no CFC's! Maxima Clean Up is a heavy duty, emulsion type cleaner designed to thoroughly clean chains without harming rubber o-rings or metal surfaces....Excellent chain cleanerRemoves caking and build-up$14.10 - $169.05
- Maxima Racing Oils®Racing Oils Pro Gear Full Synthetic OilUniversal Racing Oils Pro Gear Full Synthetic Oil by Maxima Racing Oils®. Pro Gear is a Full Synthetic, ester based gear oil offering unsurpassed performance and protection. Regenerative, synthetic polymers resist shearing, mechanical...100% Synthetic Ester-basedReduces friction & wear$19.13 - $355.55
- Maxima Racing Oils®Racing Oils Pro Gear Full Synthetic OilUniversal Racing Oils Pro Gear Full Synthetic Oil by Maxima Racing Oils®. Pro Gear is a Full Synthetic, ester based gear oil offering unsurpassed performance and protection. Regenerative, synthetic polymers resist shearing, mechanical...100% Synthetic Ester-basedReduces friction & wear$19.13 - $355.55
- Maxima Racing Oils®Synthetic Chain Guard LubricantUniversal Synthetic Chain Guard Lubricant by Maxima Racing Oils®. Contains no CFC's! Maxima Chain Guard is an advanced chain lubricant specifically formulated for today's on and off road, high performance motorcycle chains. It is...$5.70 - $181.14
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.