BBR Tuning Motorized Bike Jackshaft Kit: The BBR Tuning Motorized Bike Jackshaft Kit is a great option for those looking to upgrade their motorized bike. The kit includes everything you need to install the jackshaft, including the chain tensioner and sprockets. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the jackshaft provides a smooth and consistent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their motorized bike. It is well-made, easy to install, and provides excellent performance. BBR Tuning 66/80cc Black Motorized Bicycle Kit – 2 Stroke Gas Powered Bike Motor Engine: The BBR Tuning 66/80cc Black Motorized Bicycle Kit is a great option for those looking to upgrade their bike's engine. The kit includes everything you need to install the new motor, including the sprockets and chain tensioner. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the motor provides excellent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their bike's engine. It is well-made, easy to install, and provides excellent performance. Flying Horse 66/80cc EPA Approved Black Angle Fire 2-Stroke Bicycle Engine Kit: The Flying Horse 66/80cc EPA Approved Black Angle Fire 2-Stroke Bicycle Engine Kit is a great option for those looking to upgrade their bike's engine. The kit includes everything you need to install the new motor, including the sprockets and chain tensioner. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the motor provides excellent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their bike's engine. It is well-made, easy to install, and provides excellent performance. UAUS Black Jackshaft Kit Chain Tensioner For 415 Chain 60cc 66cc 80cc Gas Motorized Bike Bike: The UAUS Black Jackshaft Kit Chain Tensioner for 415 chain is a great option for those looking to upgrade their bike's jackshaft. The kit includes everything you need to install the new jackshaft, including the sprockets and tensioner. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the jackshaft provides a smooth and consistent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their bike's jackshaft. It is well-made, easy to install, and provides excellent performance. NorthTiger Jackshaft Kit for 80CC Gas Motorized Bicycle: The NorthTiger Jackshaft Kit for 80cc Gas Motorized Bicycle is a great option for those looking to upgrade their bike's jackshaft. The kit includes everything you need to install the new jackshaft, including the sprockets and tensioner. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the jackshaft provides a smooth and consistent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their bike's jackshaft. It is well-made, easy to install, and provides excellent performance. UAUS Belt Drive Driving Sprocket Assembly For 66cc 80cc 2 Stroke Motorized Bike Gas Motor Bicycle: The UAUS Belt Drive Driving Sprocket Assembly for 66cc 80cc 2-Stroke Motorized Bike Gas Motor Bicycle is a great option for those looking to upgrade their bike's drive system. The kit includes everything you need to install the new sprockets, including the tensioner and belt. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the sprockets provide excellent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their bike's drive system. It is well-made, easy to install, and provides excellent performance. sthus Black Shifter Kit Jackshaft Kit Fits Regular 415 Chain 66cc 80cc Gas 2 Stroke Motorized Bike Bicycle: The sthus Black Shifter Kit Jackshaft Kit for regular 415 chain is a great option for those looking to upgrade their bike's shifter. The kit includes everything you need to install the new shifter, including the sprockets and tensioner. The installation process is straightforward, and the instructions are easy to follow. One of the best things about this kit is that it allows you to use a regular 415 chain on your bike, which means you don't have to purchase any new parts. Additionally, the shifter provides excellent power delivery, making it an excellent choice for those looking to take their bike to the next level. Overall, I would highly recommend this kit to anyone looking to upgrade their bike's shifter. It is well-made, easy to install, and provides excellent performance.