Bicycle Crank Chain Wheel MTB Bike Chain Ring Bike Crank

• Customization: Available
• After-sales Service: as Specification
• Warranty: as Specification
• Model NO.: JF-QB
• Condition: New
• Certification: CE, BSCI, EEC, ISO9001
• Customized: Customized
• Application: Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle
• Chainwheel Teeth: 44-52T
• Material: Alloy
• Item: Bicycle Chainwheel Crank
• Technics: Forging
• Part Type: Bicycle Crank
• Weight: as Per UR Requirements
• Export Markets: Global
• Shipping Port: Qingdao,Ningbo, Shanghai
• Surface Treatment: Spraying/Polishing/Galvanized/Electroplating
• Packing: Wooden Cases or Carton
• Place of Origin: China
• Transport: by Sea or Air
• OEM Service: Yes
• Custom Made: Yes
• Logo Printing: Customized
• MOQ: 10-100PCS
• Free Sample: Yes
• Transport Package: Plywood
• Specification: SGS
• Trademark: JF
• Origin: Weifang City, Shandong Province, China
• HS Code: 7326199000
• Production Capacity: 10000PCS/Month
• Package Size: 35.00cm * 25.00cm * 20.00cm
• Package Gross Weight: 2.000kg

Product Description

Bicycle Crank Chain Wheel Mtb Bike Chain Ring Bike Crank 

 

Product Description

 

Crank Construction: 2 pieces solid crank
Cassette compatability:8 speed; 9 speed
Chainring numbers:42-32-22T
Bolt Circle Diameter:104/64mm
Color:Black
Crank Arm material:Aluminum Alloy
Crank Arm Length:170mm
Bottom bracket: fits standard 68mm and 73mm shell.

Tolerance	± 0.02mm
Surface Treatment	Chrome Plating, Zinc Plating, Nickel plating, Electrophoresis, Anodization, Polishing, Powder coating, Sandblasting, Passivation, Spray painting, Etc.
QualityAssurance	ISO9001:2015 Certified, SGS Certification
QualityGuarantee	Two years
Inspection	1.Foundry in-house: 100% inspection on critical dimension; 100% on appearance. 2.Third Party inspection available upon requirement
Mainly Testing Facility	Three-dimensional measuring instrument, Salt spray test box, Dynamic balance detector, Pneumatic detection
Payment term	T/T, L/C
Lead time	Usually 20 days after order confirmed
Features & Advantage	1.High machining accuracy, the flatness within 0.1mm. 2.High strength and not easy to deform, has good electrical and thermal conductivity. 3.High finish appearance, smooth surface roughness is Ra1.6 after machining.

     Color:Seven colors
     Weight: 276g [Gear ratio] 11-28T (11-13-15-17-19-21-23-25-28T)
    *Road cassette type 9-speed variable speed bicycle flywheel, compatible with the variable speed
      systems of major mountain brands.
    *Made of high-strength steel, using quenching and tempering hardening technology. Therefore, it has
      high strength, durability and strong wear resistance. Strong oxidation resistance, not easy to rust, and
      long service life. Due to the unique design of the car sprocket, the shift function can be well controlled.
    *Using hollow design, the weight is reduced. The surface is made of vacuum colorful electroplating
      process. No fading phenomenonon the electroplated surface. The surface is more beautiful, giving
      a luxurious feeling.

Our Advantages

 

Sample

1) sample fee:The sample fee just the cost price , the sample fee is refundable if you place a big order later
2) freight: we usually send samples through Express such as UPS, DHL, Fedex, etc. or on your own requirement
3) sample time: 7-10 days
Service

1)Your inquiry will be replied within 6 hours.
2)Well-traind&experienced sales can reply your inquiries in English.
3)During working time,E-mail will be replied to you within 1 hours.
4)OEM&ODM projects are highly welcomed.
5)The order will be produced exactly according to order details and proofed samples,our QC will submit inspection report before shipment.
6)Your business relationship with us will be confidential to any third party.
7)Good after-sale service.

 Here are some of our other best-selling products for you to choose from

* NARROW WIDE TOOTH DESIGN:The new narrow-wide teeth design increases chain retention, ensures
   ultimate chain retention,increases wear life,and reduces friction and noise.
* SINGLE CHAINRING:Through the modification single speed chainrings, reduced the transmission system
   greatly ,completely abandoned the complex variable speed system,reduce the bike weight at least 1kg,
   looks more compact and simple, and also greatly improve your speed.
* SPROCKET RING: The narrow wide tooth design increasing the contact area with the chain greatly, so
   that each of the teeth can be fully inserted into the chain, increase the grasp force, make you no longer
   worried about the chain dorpped, easy to pass through bumpy road.

Packaging & Shipping

 

 

Packaging & Shipping

Efficient Packaging

• Flat-Pack Design: Minimizes shipping volume and cost

• Component Protection: Individual wrapping of all parts

• Clear Labeling: Each box labeled with contents and assembly diagram

• Retail-Ready: Packaging designed for store receiving

• Sustainable Materials: Recyclable cardboard, minimal plastic

Shipping Options

• Sample Orders: 2-3 units via air express (5-7 days)

• Small Batch: LCL sea freight (25-35 days)

• Container Loads: FCL optimization for best pricing (30-40 days)

• Door-to-Door: Complete logistics service available

• Just-in-Time: Scheduled deliveries for retail chains

Global Export Experience

• Major Markets: USA, Europe, Australia, Japan, Southeast Asia

• Documentation: Complete commercial and customs paperwork

• Certifications: CE marking, other regional compliance available

• Local Standards: Adaptations for different market requirements

• After-Sales Support: Replacement parts logistics network

FAQ

 

          Q1. Can I have a sample order?
         A. Yes, we welcome sample order to test and check quality.

          Q2. What about the lead time?
         A. Sample needs 3 days, mass production time needs 5-7 weeks, it depends on order quantity.

          Q3. Do you have any MOQ limit?
         A. Yes, we have MOQ for mass production, it depends on the different part numbers. 1~10pcs
         sample order is available. Low MOQ, 1pc for sample checking is available.
 
          Q4. How do you ship the goods and how long does it take to arrive?
         A. It usually takes 5-7 days to arrive. Airline and sea shipping is also optional.

          Q5. How to proceed with an order?
         A. Firstly let us know your requirements or application. Secondly, We quote according to your
         requirements or our suggestions.Thirdly customer confirms the samples and places a deposit
         for formal order. Fourthly We arrange the production.

          Q6. Is it OK to print my logo on the product?
         A. Yes. Please inform us formally before our production and confirm the design firstly
         based on our sample.

         Q7: Are you trading company or manufacturer?
         A: We are Factory, Mainly processing customized sheet metal products.

         Q8: How soon can I get your response?
         A: our company rules that we must reply customers within 24 hours. Our current average response time is 4.3           hours.

         Q9: How soon can I get your quotation?
         A: We are trying to quote you within 24 hours, however, it depends on drawings quantity and complicating                 rate. If you are really very urgent, call us or email us so that we will put it in priority.

        Q10: How can I get a sample for quality check?
        A: After quotation, if needed, you can ask for samples to check quality. We will provide you free samples(value          under 20 without tooling invest) as long as you pay freight cost by yourself.

     

Quality First, Price Best, Service Foremost! 
   We assure you of our best services at all times! 

   If you are interested in product,please click " SEND " for more details.