OEM Forged Bicycle Crank Arm Mountain Bicycle Crankset Crank

• Customization: Available
• After-sales Service: as Per Specification
• Warranty: 6 Months
• Model NO.: WF-JF
• Condition: New
• Certification: CE, BSCI, EEC, ISO9001
• Customized: Customized
• Application: Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle
• Chainwheel Teeth: 24-32T
• Material: Alloy
• Item: Bicycle Crank
• Raw Material: Aluminum, Steel
• Size: as Your Requirement
• Techincs: Forging, Machining
• Brand Name: Shengao,OEM
• Standard or Nonstandard: Nonstandard
• Factory: Over 15 Years Experience in Producing
• Logo: Customized
• Quality Control: 100% Inspected
• Price Range: 1~10USD/PCS
• OEM Service: Yes
• Custom Made: Yes
• Logo Printing: Customized
• MOQ: 10-100PCS
• Free Sample: Yes
• Transport Package: Plywood Box
• Specification: As your requirement
• Trademark: Shengao
• Origin: Weifang City, Shandong Province, China
• HS Code: 87089910
• Production Capacity: 50000PCS/Month
• Package Size: 60.00cm * 30.00cm * 20.00cm
• Package Gross Weight: 60.000kg

Product Description

OEM Low Factory Price Bicycle Crank Arm Mountain Bicycle Crankset Crank 

Product Description

We have many size and colors of chain wheel, please contect me if you need it.

 

length of crank arm: 170mm

size of chain wheel: 104bcd

crank arm weight: 675g/set
The bicycle crankset, often called the bike's "engine," is the core drivetrain component that converts a rider's pedaling force into forward motion. Our professionally engineered Bike Crankset is designed to deliver optimal power transfer, exceptional stiffness-to-weight ratio, and long-lasting reliability for cyclists across all disciplines. From competitive road racing and rugged mountain biking to everyday urban commuting, we provide the foundational component that impacts efficiency, speed, and riding experience.

Item	Value
Crank Length	170mm
Chainwheel Teeth	32-42
Use	BMX, Cruisers, Kids' Bikes, Mountain Bikes, Road Bicycles
Category	CRANK
Product name	Bicycle Parts Bicycle Crank
Color	Black Red Blue Green Gold Purple Rainbow
Length	170mm
BCD	104mm
Teeth	32/34/36/38T
Crank material	Aluminum alloy + chromium molybdenum steel
Chainrings Material	Aluminum alloy
Speed	8/9/10/11 speed
Bottom Bracket	BB91:BC 1.37*24T 68-73mm

Key Features & Benefits:
Superior Materials and Construction: This crankset is crafted from forged and machined 6061-T6 aluminum alloy, achieving an ideal balance of lightweight, high strength, high rigidity, and durability. It resists fatigue and deformation under high torque, ensuring long-term reliability and stable power transmission.
Optimized Design: The crankset features a carefully designed profile that maximizes the rigidity-to-weight ratio. This design helps reduce deformation during hard pedaling, ensuring more power is directly transmitted to the drivetrain, thereby improving acceleration and climbing efficiency.

Precise Compatibility & Fit:
Interface: Available in popular spindle standards (e.g., Square Taper, Hollowtech-style, Octalink, GXP etc.-Please specify based on actual product).
Length Options: Offered in common lengths (e.g., 165mm, 170mm, 172.5mm, 175mm) .
Chainring Compatibility: Designed to work seamlessly with standard bolt circle diameters (BCD) such as 104mm, 110mm, 130mm, etc., supporting various chainring configurations (1x, 2x, or 3x setups).
Enhanced Usability: The clear laser-etched or stamped length marking on the inside of the arm allows for easy identification during installation, maintenance, or upgrade.
Corrosion Resistance: Treated with a high-quality anodized or shot-peened finish, the surface is resistant to scratches, wear, and corrosion, maintaining a clean appearance and structural integrity through all weather conditions.  
       Feature:
       1. Ultralight Hollow Integrated Crank
       2. High Strength Aluminum Alloy + Chromium Molybdenum Steel,Durable and Good Quality
       3. Good Compatible:Single/Double/Triple chainrings; for 7/8/9/10/11/12S chains
       4. Fine processing, make your riding more efficient and easier

Premium Forged Aluminum Cranksets:
Process & Advantage: Manufactured from high-grade 6061 or 7075 aluminum alloy using precision hot forging. This process aligns the metal grain structure, creating a part that is significantly stronger and more impact-resistant than cast alternatives, while allowing for intelligent, lightweight designs.
Finishing: All our forged cranks undergo precision CNC machining to achieve perfect tolerances, smooth bearing interfaces, and a high-quality finish. Options include shot peening, anodizing (in various colors), and laser etching. Inspections:
        3D instruments, 2D instruments, Projectors, Height Gauges, Inner diameter dial indicators, 
        Dial gaues, Thread and Pin gauges, Digital calipers,Micro calipers, Thickness testers, 
        Hardness testers Roughness testers, etc. ( Detection accuracy to 0.001 millimetre )

 

Mininum of Quantity	100 Piece/Pieces
Unit Weight	0.5kg~300kg
Price	FOB Qingdao,China,USD1.5~1.9
Packing Details	Paper Box in Wooden Pallet
Delivery Time	One month
Payment Terms	L/C, T/T
Machining	CNC or Machining
Supply Capacity	50 Metric Tons per Month
Standard	DIN,ASTM,GOST

 

Package:
For sample orders, each handlebar will be packed in a cardboard box.
For multiple quantity orders, they will be packed in large cardboard box.
Delivery time:
Quantity under 20pcs will be dispatched within 2 business days normally. Delivery time depends on destination and shipping methods.Please don't hesitate to contact us if you have any question.

FAQ

1. Are you a genuine manufacturer?

Yes, all products showed in our website are produced in our ISO9001:2015 certified factory; We are also
a company registered by China Customs with the right to export and import.  

2. I want to keep our design in confidence; can we sign NDA?
Sure, to protect customers' profit is our obligatory responsibility, signed NDA would be valid to both of us.. 

3. What should I offer to get your quotation?
Please offer us your detailed information for the product, such as drawings with 2D/3D by software Pro/E, Auto CAD, SolidWorks, UG etc; as well as materials, surface treatment, quantity, package. Any special requirements should be highlighted especially for tolerance.  

4.How long does it take to receive samples?
20 working days,the lead time is the general production period and does not include the transportation time.
we can supply free samples with less quantity,but customers need to pay shipping cost.

5.How long is the manufacturing lead time?
Mass Production:30-45 working days after sample approval by yours.T
he lead time is the general production period without the transportation time.
We could make some special production arrangement effectively if customer has urgent need.

6.How long does it take to ship goods from China by sea?
It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container
within 6 to 7 weeks.
It takes about 2 weeks to east coast and 3 weeks to west coast US ports. All sea goods are shipped
from Qingdao/Shanghai/Ningbo Port.

7.How long does it take to ship goods from China by air?
It takes about 7 days to all major destinations.

8.What are the payment terms?
Payment terms are negotiable and will improve for long term customers.
During the initial stages, we request 50% of tooling fee in advance with the balance payable on
acceptance of samples.
Bulk production orders can be negotiable. We prefer 30% deposit and the balance by T/T before
delivery.

9.New product development process
Got tooling order and sample order with 50% deposit---Hold a meeting with the relation dept.To ensure
the developing schedule---Design mould, fixture and gauge and making them in our factory---mould.fixture
and gauge making---producing samples---approved from customer-purchasing material-forging-heat
treatment-shot blasting-machining-Inspection-package---delievry.


10.Which countries do you export to?
Now mainly export to U.S.A, Germany, France, Italy, UK, Brazil, Swedish, Japan, Korea, Middle east of Asia, Thailand and so on.

11.Can we visit the factory to conduct an audit?
Yes, you are welcome to visit our factory.

All parts are  made according to customer's drawings or samples.If you have any parts to be made, please
feel free to send your kind drawings/samples to us.Technical drawings including material mark, Product
weight, Purchase quantity.The comprehensive information will help us quickly calculate the accurate and
reasonable price for you.


        If there's anything I can help, please feel free to contact with us!