Provide bulk racing parts

Ruizheng Racing mainly produces and sells modified crankshafts, crank pin, camshafts, cylinder kits, wheels, connecting rods, calipers and other motorcycle accessories.

High-Performance Motorcycle Engine Parts Manufacturer

Ruizheng Racing supplies performance crankshafts, camshafts, forged pistons, CNC connecting rods and other motorcycle engine components for distributors, performance brands and engine builders, with OEM/ODM customization available.

About Ruizheng Racing

OEM & ODM Motorcycle Engine Parts

Customized Motorcycle Engine Parts for Performance Builds

Ruizheng Racing, a brand of Foshan Ruizheng Machinery Manufacturing Co., Ltd., is a manufacturer of customized high-performance motorcycle engine components. Established in 2013 in Foshan, China, we combine R&D, production, sales and service for crankshafts, camshafts, crank pins and matching CNC connecting rods.

We support OEM/ODM projects, including drawing- and sample-based customization, with options for stroke, cam lift, base circle and custom logos. Our workshop integrates CNC turning, milling and grinding, supported by CMM inspection and high-precision balancing for applicable crankshaft projects.

Whether you’re looking to boost power, improve efficiency, or customize your motorcycle, we have the expertise and the parts to make it happen.

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SUCCESSFUL PROJECTS

Customer Testimonials

Customized racing motorcycle crankshaft designed for high performance and durability, used in modified engine builds.
Rated 5 out of 5
“Nuestro cigüeñal cg400 personalizado ha sido cuidadosamente elaborado y probado para determinar su durabilidad. Es muy adecuado para motores de motocicletas modificados e incluso alcanza una velocidad máxima de 12.000 rpm.”
Korey Torres
Motorcycle parts dealer at a performance engine parts shop
Rated 5 out of 5
“The cylinder head we improved in conjunction with RUIZHENG RACING's suggestions is optimized for airflow and performance, providing the motorcycle with more horsepower and torque, making our customers even more satisfied with our products.”
Terry Dennis
Engine builders with motorcycle crankshaft components
Rated 5 out of 5
“These custom racing crankshafts are designed for maximum durability and performance and are very much a part of our club’s racers’ journey and we are thrilled to be working with RUIZHENG RACING.”
Katy Gilmore

RACING PARTS

Applicable Motorcycle Models

suzuki logo
Yamaha motorcycle engine parts
honda logo
Kawasaki motorcycle engine parts

MODIFIED PARTS

Main Product Categories

Honda Vario 125 motorcycle engine parts
Suzuki AX115 motorcycle engine parts
Motorcycle cylinder block for performance engine builds
Motorcycle crank pin for racing engine upgrades

RUIZHENG RACING CRANKSHAFT

Motorcycle Performance Parts Manufacturing

Ruizheng Racing applies CNC machining, forging, dynamic balancing and hardness testing to applicable motorcycle engine-part projects. These processes support B2B buyers sourcing performance components, while OEM/ODM customization supports project-specific requirements.

  • CNC Machining
  • Forging Process
  • Dynamic Balancing
  • Hardness Testing
  • OEM / ODM Customization
Ruizheng Racing crankshaft quality inspection
Ruizheng Racing laser marking a motorcycle crankshaft

SPECIAL PRODUCTION

Custom Crankshaft

Precision and quality, customized processing services.

Customized Process

Ruizheng Racing customizes the size and stroke according to the customer's modification requirements.

Customized services in materials, processing, logo and packaging.

Personalized service

Ruizheng Racing provides customers with Logo engraving or packaging design services.

Ruizheng Racing motorcycle modification parts material customization service.

Material Customization

Ruizheng Racing can be equipped with optional balance block and lightweight design.

CALL US TODAY

+8613690833592

Please feel free to contact us at any time if you have any questions about the project.