Sport/Street Bike Drivetrain & Transmission Parts
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Drive Chains
Sprockets
Chain & Sprocket Kits
Drive Belts & Pulleys
Clutches
Transmissions & Components
Variators
Axles & Accessories
Chain Guide, Protection & Sliders
Sprocket Guards
Transmission Covers
Chain & Belt Adjusters
Primary Chain & Belt Tensioners
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
- Hinson Clutch Components®Billetproof Pressure PlateBilletproof Pressure Plate by Hinson Clutch Components®. Billetproof™ Pressure Plate by Hinson®. Improves clutch performance, clutch life and heat dissipation. Used by all major factory teams and riders. Precision-machined...Used by all major factory teams and ridersImproves clutch performance and life$189.99 - $199.99
- Hinson Clutch Components®Clutch Plate KitClutch Plate Kit by Hinson Clutch Components®. Steel Plate Kit by Hinson®. 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...Race proven by Chad Reed in his TwoTwo Motorsports race bikeTested and raced with all the same high quality standards as all Hinson Clutch Components$49.99 - $109.99
- Hinson Clutch Components®Complete Billetproof Conventional Clutch KitComplete Billetproof Conventional Clutch Kit by Hinson Clutch Components®. Complete Billetproof™ Conventional Clutch Kit by Hinson®. Used by most major factory teams and riders. Improves clutch performance and life. Improves...The Winningest Clutch in the World, race proven by all the best teams worldwide including Team Muscle Milk Honda, Team Red Bull KTM, Team Monster Kawasaki, Team Yoshimura Suzuki and Team Rinaldi YamahaUsed by most major factory teams and riders$954.99 - $1,205.99
- Hinson Clutch Components®FSC Clutch Plate and Spring KitFSC Clutch Plate and Spring Kit by Hinson Clutch Components®. FSC Clutch Plate and Spring Kit by Hinson®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...Can be used with OE baskets, inner hubs, & pressure platesDeveloped with and recommended to enhance the performance of Hinson clutch baskets, inner hubs, and pressure plates$199.99
- Hinson®Clutch Basket Replacement Cushion KitClutch Basket Replacement Cushion Kit by Hinson Clutch Components®. 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....Replacement cushions for your Hinson Billetproof® or Momentum Clutch BasketCushions dampen the primary gear from the clutch basket on most OE motorcycles and quads$55.99 - $69.99
- K&L Supply®Clutch Slave Cylinder Repair KitClutch Slave Cylinder Repair Kit by K&L Supply®. 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 designed by industry-leading innovators in the motorcycle industryExpert craftsmanship and superior longevity$17.22 - $52.21
- KG Powersports®Clutch Spring KitClutch Spring Kit by KG Powersports®. The best clutches in the world won't mean anything if the springs aren't functioning as they should. Springs are manufactured right here in the U.S. to specifications that pass that of the OEM....Crafted from OE quality materialsMade to be stronger than your factory unit$19.23 - $31.67
- KG Powersports®Complete Clutch KitComplete Clutch Kit by KG Powersports®. When you have to completely change out your vehicles clutch components, there is no better option than a KG Powersports Complete Clutch Kit. Containing the same clutch components as found in...Crafted from OE quality materialsMade to be stronger than your factory unit$189.30 - $214.44
- KG Powersports®High Performance Series Clutch Spring KitHigh Performance Series Clutch Spring Kit by KG Powersports®. The best clutches in the world won't mean anything if the springs aren't functioning as they should. Springs are manufactured right here in the U.S. to specifications that...Crafted from OE quality materialsMade to be stronger than your factory unit$18.21 - $27.74
- KG Powersports®High Performance Series Friction Disc KitHigh Performance Series Friction Disc Kit by KG Powersports®. High Performance friction discs are manufactured specifically for your vehicle's clutch. Even though two different clutches may use the same size friction discs, it does not...Crafted from OE quality materialsMade to be stronger than your factory unit$43.76 - $158.08
- KG Powersports®Pro Series Clutch Disk KitPro Series Clutch Disk Kit by KG Powersports®. Pro Disc Series friction discs are manufactured specifically for your vehicle's clutch. Even though two different clutches may use the same size friction discs, it does not mean that they...Crafted from OE quality materialsMade to be stronger than your factory unit$19.20 - $156.50
- Mogo®Bell Housing Cover CapUniversal Bell Housing Cover Cap by Mogo®. 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 highest grade materials and the latest technologiesPrecise engineering ensures second to none quality and lasting value$16.23 - $27.89
- Mogo®ClutchUniversal Clutch by Mogo®. 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 materials...The highest grade materials and the latest technologiesPrecise engineering ensures second to none quality and lasting value$19.79 - $77.39
- Mogo®Clutch AssemblyUniversal Clutch Assembly by Mogo®. 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...The highest grade materials and the latest technologiesPrecise engineering ensures second to none quality and lasting value$62.09 - $116.99
- Outlaw Racing®Clutch KitClutch 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 industry-leading...Outlaw Racing clutch kits have it all, including performance, durability and priceIncludes full set of friction separator plates$36.80 - $155.73
- Vesrah®Clutch Spring SetClutch Spring Set by Vesrah®. 4 Pieces. All Vesrah products are made in Japan. Vesrah Clutch Spring is a full line of product and fits Clutch Friction and Pressure Plate. To achieve maximum efficiency from the clutch friction plate...Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only$4.58 - $16.43
- Vesrah®Clutch Steel Plate SetClutch Steel Plate Set by Vesrah®. 7 Pieces. All Vesrah products are made in Japan. Vesrah Clutch Steel plate is made of precision iron material and technology. Steel Plate is keeps flat surface to make an compatibility with friction...Vesrah clutch discs are manufactured to OEM specificationsEach clutch disc is made from high density, high friction material which reduces expansion and fading$10.75 - $65.16
- Wiseco®Clutch Pack KitClutch Pack Kit by Wiseco®. Wiseco leads the clutch aftermarket with high performance FORGED clutch. OEM clutch components are made from inexpensive die-castings that quickly wear out and become easily notched. Wiseco offers the only...Expertly crafted utilizing advanced technologiesDesigned to provide exceptional quality and durability$95.15 - $482.74
- Wiseco®Clutch Spring KitClutch Spring Kit by Wiseco®. Wiseco leads the clutch aftermarket with high performance FORGED clutch. OEM clutch components are made from inexpensive die-castings that quickly wear out and become easily notched. Wiseco offers the only...Expertly crafted utilizing advanced technologiesDesigned to provide exceptional quality and durability$29.73 - $33.85
- BikeMaster®BMXR Series Chain RollUniversal BMXR Series Chain Roll by BikeMaster®. 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 fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$303.36 - $397.50
- BikeMaster®Chain Breaker ToolUniversal Chain Breaker Tool by BikeMaster®. 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...High quality at an affordable priceExpertly made from premium materials$33.10 - $34.00
- BikeMaster®Chain Breaker Tool with 3.5/4.8mm PinsUniversal Chain Breaker Tool with 3.5/4.8mm Pins by BikeMaster®. Perfect for the toolbox or fanny pack. With a folding handle that gives it a compact design, the Chain Breaker 420-630 lets you cut your own chain for the perfect length.Includes two hardened pins in 3.5mm and 4.8mmLifetime manufacturer's warranty$42.57
- BikeMaster®Heavy-Duty Heavy-Duty Chain Breaker and Rivet ToolUniversal Heavy-Duty Heavy-Duty Chain Breaker and Rivet Tool by BikeMaster®. When your chain is too long, the Heavy-Duty Chain Breaker and Rivet Tool is what you need. Complete with all three tips this tool fits 420-630 chains. It has...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$146.83
- BikeMaster®Impact Driver ToolUniversal Impact Driver Tool by BikeMaster®. Loosen difficult fasteners, without stripping them out. The BikeMaster® 1/2 in. Drive Impact Driver can be used with standard or deep 1/2 in. drive sockets or extensions.Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$23.01
- BikeMaster®Precision Chain RollUniversal Precision Chain Roll by BikeMaster®. 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 fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$51.47 - $101.40
- BikeMaster®Replacement Chain Breaker TipUniversal Replacement Chain Breaker Tip by BikeMaster®. Perfect for the toolbox or fanny pack. With a folding handle that gives it a compact design, the Chain Breaker 420-630 lets you cut your own chain for the perfect length.High quality at an affordable priceExpertly made from premium materials$12.35 - $13.48
- CZ Chains®Enduro/Adventure 520 Pitch 120 Link ChainUniversal Enduro/Adventure 520 Pitch 120 Link Chain by CZ Chains®. Master Link included. The Endure/Adventure series by CZ offers the chains that consider the supposed conditions of the operation, which means riding in muddy, dusty, and...Designed for epic performance and ultimate efficiencyAdvanced technology will take your motorcycle journey to a whole new level$118.58
- CZ Chains®SDZZ X-Ring ChainUniversal SDZZ X-Ring Chain by CZ Chains®. Master Link included. Maximum performance of current motorcycles presents no problem for the CZ Chains® of SDZZ type. As far as the level of technical advancement the SDZZ series chains are...Patented technology of the KSJ type bushes productionSpecially developed factory lubricant improves durability of the chain despite extreme loads$118.58 - $186.35
- CZ Chains®Spare Master LinkUniversal Spare Master Link by CZ Chains®. 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...Designed for epic performance and ultimate efficiencyAdvanced technology will take your motorcycle journey to a whole new level$12.76
- CruzTOOLS®Combo Axle WrenchUniversal Combo Axle Wrench by CruzTOOLS®. Off-road motorcycle axles range from 17 mm to 32 mm. Ordinary wrenches are simply too large and heavy to carry with you, so they developed updated combo wrenches to handle most make and model...Made with a relentless commitment to qualityPrecisely engineered for absolute dependability$14.20
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.