Description
At Steel Krafts, we understand that the integrity of a bicycle or cycle rickshaw depends on the perfect balance of lightweight agility and uncompromising strength. Our specialized range of Bicycle Tubes and Pipes is engineered to meet the specific stress-point requirements of frames, forks, and handle bars.
1. IS 2039: Steel Tubes for Bicycles & Cycle Rickshaws
This is the primary Indian Standard we adhere to for the cycling industry. It covers both ERW (Electric Resistance Welded) and CEW (Cold Drawn Welded) tubes, ensuring they can withstand the vibrations and impacts of daily use.
Grading & Performance
We manufacture across three specific grades to match the target application:
2. Specialized Manufacturing Features
To ensure our tubes integrate seamlessly into your assembly line, we focus on:
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Superior Weldability: Our tubes are designed for consistent brazing and TIG/MIG welding, ensuring joints do not fail under fatigue.
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Precision Bending: With controlled chemical compositions (Carbon $\le$ 0.25%, Manganese $\le$ 1.20%), our tubes can undergo complex bending for “Lady Bird” style curved bars or aggressive MTB geometries without kinking.
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Surface Preparation: Tubes are supplied with a smooth, scale-free finish, ideal for high-quality powder coating or stoving enamel.
3. Relevant Size Range for the Cycle Industry
While we offer a broad OD range, the following sizes from our facility are most commonly utilized in bicycle manufacturing:
- Frame Tubes (Main Triangle): 25.40mm, 28.58mm, 31.75mm
- Stays and Forks: 15.88mm, 19.05mm, 22.23mm
- Handlebars & Seat Pillars: 22.23mm, 25.40mm
- Custom Thickness: Available from 0.9mm to 2.0mm to optimize frame weight.
Why Partner with Steel Krafts for Bicycles?
- Compliance: Fully compliant with IS 2039 (Parts 1-3) and the international equivalent BS 1717.
- Custom Lengths: We provide standard 3.0m lengths or custom-cut lengths (up to 6.0m) to reduce scrap loss in your cutting shop.
- Export Ready: Our adherence to BS EN 10305 standards makes our tubes suitable for high-end export-grade bicycles.
Steel Krafts:Engineering the ride of tomorrow with the precision of today.




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