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.
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.
Welcome to the Ruizheng Racing
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.
SUCCESSFUL PROJECTS
Customer Testimonials
RACING PARTS
Applicable Motorcycle Models
MODIFIED PARTS
Main Product Categories
RUIZHENG RACING CRANKSHAFT
Our high-precision CNC crankshaft undergoes rigorous quality inspection using a Zeiss Coordinate Measuring Machine (CMM) to ensure optimal accuracy and performance. Manufactured with tight tolerances and premium materials, our crankshafts meet the highest industry standards, making them ideal for high-performance applications.
SPECIAL PRODUCTION
Custom Crankshaft

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

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

Material Customization
Ruizheng Racing can be equipped with optional balance block and lightweight design.
CALL US TODAY
Please feel free to contact us at any time if you have any questions about the project.