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
- Baker Drivetrain®Speedo Hole PlugSpeedo Hole Plug by Baker Drivetrain®. If you need to cap off the speedo sensor hole for whatever reason, you need this plug. Some other companies do this with a steel plate and a gasket, just like old 4-speeds. Ever seen a 4-speed with...6061-T6 AluminumLow-profile top$27.00 - $31.00
- Baker Drivetrain®Transmission DipstickTransmission Dipstick by Baker Drivetrain®. Have you ever heard of a 5-speed transmission dipstick breaking off and working its way into the gearbox with disastrous results? Ask any seasoned technician; he's seen one. The low frequency...Made of billet aluminum and show chrome-platedLargest radius possible between the stalk and the head$29.00 - $40.81
- Baker Drivetrain®Transmission Rebuild KitTransmission Rebuild Kit by Baker Drivetrain®. Includes bearings, snap rings, gaskets, seals and retaining nuts. An all inclusive kit designed to freshen up those high mileage bikes. This kit was put together to assist you with that...Made to offer outstanding performancePerfect for both professionals and enthusiasts$379.00
- Colony®Transmission Mainshaft LocknutTransmission Mainshaft Locknut by Colony®. 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...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$13.75 - $18.18
- Colony®Transmission Mount KitTransmission Mount Kit by Colony®. Includes bolts and washers necessary for installation. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...Made from the highest quality materialsMade in USA$35.69 - $43.70
- Colony®Transmission PlugTransmission Plug by Colony®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...Made in USADesigned specifically for Harley-Davidson motorcycles$12.12 - $19.45
- Compu-Fire®8620 Hardened Steel Gear Set8620 Hardened Steel Gear Set by Compu-Fire®. 10/84 Gear Set made with 8620 Hardened Steel. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...Wicked style meets astounding performanceExcellent upgrade for die-hard performance fans$194.80
- Eastern Performance®Main Drive Gear SpacerMain Drive Gear Spacer by Eastern Performance®. Precision spacers used between main drive gear and sprocket for belt drive Sportsters and Big Twin transmissions. Manufactured from high quality alloy steel, hardened and ground....Crafted with precision using leading innovationsDesigned specifically for Harley-Davidson motorcycles$14.64 - $32.46
- Eastern Performance®Shifter Finger RollersShifter Finger Rollers by Eastern Performance®. 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...Rollers for shifter fingersReplaces OEM 34168-39$17.69
- JIMS®Countershaft Gear BushingCountershaft 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$28.04 - $28.35
- JIMS®Overdrive Transmission Rebuild KitOverdrive Transmission Rebuild Kit by JIMS®. JIMS® proven transmission parts to start with, then top it off with a JIMS® gasket set, together in one convenient package. This is a big time saver. If you're looking for a quality...Unique design to meet your tastes and preferencesManufactured to deliver incredible quality$293.90 - $360.50
- JIMS®Shift Fork ShaftShift Fork Shaft 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$22.91 - $35.06
- JIMS®Transmission Main Bearing RaceTransmission Main Bearing Race by JIMS®. Standard O.D, is 2.314", I.D, is 1.8802", It will depend on the amount of press fit and will determinethe amount of line lapping required to fit new bearing and mainshaftUnique design to meet your tastes and preferencesManufactured to deliver incredible quality$86.99
- K&L Supply®Neutral SwitchNeutral Switch by K&L Supply®. 1 Piece. Replacement for Stock Switch. Made in Japan. 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...Manufactured from the finest materials to deliver lasting durabilityDesigned to combine maximum functionality with eye-catching design$13.69 - $16.43
- K&S Technologies®Neutral SwitchNeutral Switch by K&S Technologies®. 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 the highest quality standardsEngineered for your motorcycle racing needs$14.96 - $18.31
- SMP®Neutral Safety SwitchUniversal Neutral Safety Switch by SMP®. 1 Piece. Precision manufactured to stringent specifications to ensure proper function and long life in the toughest of conditions. All switches feature a high carbon steel plunger hardened to 48...Direct O.E.M. replacement type switchesGasket or seal included$13.77 - $29.18
- SMP®Neutral Safety SwitchNeutral Safety Switch by SMP®. Precision manufactured to stringent specifications to ensure proper function and long life in the toughest of conditions. All switches feature a high carbon steel plunger hardened to 48 Rockwell C for...Direct O.E.M. replacement type switchesGasket or seal included$13.11 - $20.93
- AIM®Variable Pressure Performance Clutch KitVariable Pressure Clutch Kit by AIM®. VP Performance Kits are the best product to upgrade Harley-Davidson stock clutch and eliminate unnecessary heavy clutch pull (not like a regular heavy duty spring), but add up to 40% additional...Smoother shifting, easier to find NeutralInstall through the derby cover without removing the primary cover$299.20
- Belt Drives®Closed Primary Belt DrivesClosed Primary Belt Drives by Belt Drives®. No more extensive grinding on inner primary with this bolt-in belt drive. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Made with Kevlar® clutch platesMade with Kevlar® belt$913.50
- Belt Drives®Open Belt DriveOpen Belt Drive by Belt Drives®. Design includes a 52 tooth front pulley and 69 tooth rear pulley, both 2-3/4 in. wide and driven with a specially designed 142 tooth belt. One-piece polished billet motor plate. Ball bearing pressure plate.Made in USACutting-edge technology to provide leading performance$2,483.50 - $2,940.00
- Colony®Sprocket Shaft NutSprocket Shaft Nut by Colony®. 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...Designed specifically for Harley-Davidson motorcyclesExpected to provide the finest quality and value$6.51 - $12.46
- Comet®Spider KitUniversal Spider Kit by Comet®. SK-Spider Pin, Washer and Button. Comet products are rugged, built to last, and intended to make your life easier. Comet Industries has over fifty years of experience manufacturing quality clutches,...Excellent durability coupled with exceptional performanceMade from top-grade materials to provide wear resistance$102.68 - $110.65
- Eastern Performance®Axle SpacerAxle Spacer by Eastern Performance®. 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...Manufactured from the finest materials to deliver lasting durabilityDesigned to combine maximum functionality with eye-catching design$10.12 - $14.64
- Outlaw Racing®Wheel Bearings and Seal KitWheel Bearings and Seal Kit by Outlaw Racing®. 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...Hands down, the most complete line of wheel bearing & seal kitsAll the bearings and seal required to re-fit a wheel in one convenient package$9.83 - $46.88
- Paughco®Custom Axle KitUniversal Custom Axle Kit by Paughco®. 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 provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$128.95 - $205.95
- Twin Power®Primary ChainPrimary Chain by Twin Power®. Made in Japan. These high-quality replacement primary chains from Twin Power are superior to the O.E.M. parts. Twin Power premium quality endless chains offer you precision-ground side plates for smoother...Made in JapanCrafted to deliver unbeatable levels of quality$64.64 - $71.55
- Outlaw Racing®Chain SliderUniversal Chain Slider by Outlaw Racing®. 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...The Outlaw Racing Chain Sliders are the perfect solution to protect your motorcycle's swingarm from chain wearMeet or exceed OEM specifications and have greater wear resistance and increased lifespan over stock$19.94 - $32.94
- All Balls®HD Inner Primary Bearing KitHD Inner Primary Bearing Kit by All Balls®. When it comes to quality, All Balls® knows no compromises.All the products made by this stringent quality control conditions.The latest manufacturing methods coupled with the use of the...Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability$22.90 - $44.22
- All Balls®Wheel Bearing KitWheel Bearing Kit by All Balls®. Hands down, the most complete line of wheel bearing and seal kits. All the bearings and seal required to refit a wheel in one convenient package. Premium high-speed bearings feature low drag, double lip...Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability$8.53 - $80.34
- Baker Drivetrain®Fine Tooth Adjustment KitUniversal Fine Tooth Adjustment Kit by Baker Drivetrain®. The BAKER primary chain adjuster bracket looks like the stock 39990-01 style bracket but has 28% more adjuster teeth. The finer pitch teeth make it easier to dial in your primary...28% more adjuster teethEasier to dial in your primary chain slack$149.00 - $165.64
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.