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ODM good quality forging bicycle crank


This crank is used in gym bicycle, the left and the right have the same head dimensions, only the threads are different as LH and RH, The distance between the holes’ centre is 170mm.


The crank is exported to German, the order quantity is regular as 16000pcs per two months.


The crank was developed by DongJinXin and his month in three months.



Nanjing Precision Engineering Co., ltd

Product’s Parameters

1. Material:Steel C45 with material certificate
2. Process:Rod+ cutting +forging+ cnc machining+ deburrs+ polishing+ black powder coating
3. Service available:OEM and ODM service, the client has provided real samples with us; we have designed STEP, CAD, and PDF drawings for client freely.
4. Roughness:Ra1.6 and Ra3.2
5. Tolerance:ISO2768-M/F and En10243-F with dimensions’ inspection report.
6. Dimensions:25*27*190mm
7. Traceability:Material heat no, production batch, delivery batch
8. Certification:ISO9001,SGS, Rohs
9. Net Weight:0.19KGS
10. Packing:inner: bubble poly bag; outer: carton box or poly wooden case/ pallet, final: with # straps


Nanjing Precision Engineering Co., ltd

Production time for 16000pcs

25-35 days

Payment Method

T/T bank, LC, Western Union Pay, PayPal, Cash...

Trade Incoterm



Small batch: express such as FedEx/ DHL/ UPS/ TNT/ EMS......
Bulk batch: by air& by sea in LCL and FCL

Logistics Service

Booking, Pick-up Arrangement, H.S CODE select, ETD and ETA notification......

Shipping Docs

Bill of lading, Packing List, Invoice, Co, Coo, Form A/E/F, Non-wood packing declaration......

After -sale service

Technology support, Inspection support, assembly support, custom clearance support......

Complaints and Claims

The complaints and the claims will be answered within 2 hours definitely

Intellectual Property Protection

Respect NDA Agreement Seriously


100% refund or replacement for nok pcs


You are always welcome to contact NJPE, we will reply to you within 8 hours absolutely after the receipt of your questions or enquiries.

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I am Cindy Fan,you please kindly send your inquriy to ,I will send you quotation with 2 hours, or contact me at Skype Cindy-fan, Wechat 86-13813884518, and Whatsapp 86-13813884518,thank you!