Contavelo Integrated Bicycle Crank Gearbox
Product Information – Contavelo IGH-Crank System
∙ Product Name: Contavelo Crank-Integrated Gearbox (IGH-Crank System)
∙ Brand Name: Contavelo
∙ Weight: Approx. 0.7kg (including crankset and gearbox)
∙ Gear Option: 2-speed crank-integrated transmission
∙ Material: CNC-machined aluminum alloy, premium components
∙ Country of Origin: Republic of Korea
Key Features
World’s First Crank-Gearbox Integrated Design: A revolutionary drivetrain combining the crankset and internal gear hub into a single compact unit. This minimizes external
components, enhancing both performance and visual design.
Tailored for Folding & Compact Bicycles: Engineered to integrate seamlessly with Brompton and mini-velo x-frames without requiring geometry modification.
Lightweight & Durable Construction: Advanced gear architecture and high-grade aluminum alloy ensure superior strength-to-weight performance.
Silent and Smooth Gear Shifting: Proprietary clutch and ratchet mechanism enables quiet, seamless shifting under real riding conditions.
Patent-Protected Technology: Supported by a global patent portfolio, offering ODM/OEM buyers exclusive competitiveness and market differentiation.
Advantages & Value Proposition
Enhanced Riding Efficiency:
Reduces fatigue in uphill and long-distance cycling.
Optimized for Urban Mobility: Compact design ideal for folding bikes and space-conscious riders.
Premium Aesthetics:
Clean, derailleur-free drivetrain delivering a minimalist and high-end appearance.
Low Maintenance:
Protective gear housing and lubrication system reduce service requirements compared to traditional derailleur systems.
Customizable for ODM/OEM:
Options for crank length, finish color, and co-branding to meet buyer-specific requirements.
High-End Niche Market Positioning:
Designed to meet demand in premium Brompton
and mini-velo segments, delivering new revenue opportunities for partners.
Specifications
| Crank Length |
165mm / 170mm (customizable) |
| Gear Ratios |
2-speed (1:1 / 1:1.35) |
| Finishes |
Black or Gray Anodized / OEM-customized colors available |
| Compatibility |
Brompton, mini-velo, small-wheel, and urban bicycles |
Installation Guide
| Remove Existing Crankset |
Detach the original crankset from the bicycle. |
| Mount IGH-Crank System |
Install the Contavelo crank-gearbox unit into the BB shell. |
| Connect Chain |
Fit the chain onto the designated sprocket and adjust tension. |
| Verify Shifting |
Rotate pedals to ensure smooth gear transitions. |
| Final Inspection |
Apply light lubrication if required and confirm no x-frame interference. |
Company Overview
A New Idea for Human Life
Based in Paris, we work closely with clients from around the world, getting to the heart of their business to develop successful digital ideas and
Competitive Salary
As a leading digital company in Paris, we look to engage with our clients beyond the conventional relationship, becoming a partner to the people and
The CONTAVELO Difference: Innovate, Sustain, Empower
■ Innovation at the Core
We redefine e-biking with cutting-edge technology, making every ride an innovative adventure.
■ Sustainable Solutions
Our eco-friendly electric bicycles aim to reduce carbon footprints for a greener future
■ Unmatched Quality
Crafted with precision, CONTAVELO bicycles set the standard for quality and performance
■ Empowering Communities
By enhancing mobility, we connect people and places, making transportation accessible and efficient
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