Bicycle CO2 Cartridges for Pumps & Tire Inflators – OEM & Wholesale
How to Choose the Right Bicycle CO2 Cartridge Size for Different Bike Types
City & Folding Bikes → 12g CO2 Cartridges
MTB & Gravel (Standard Tires) → 16g CO2 Cartridges
Larger MTB & Hybrid Setups → 20g CO2 Cartridges
Touring & High-Volume Tires → 25g CO2 Cartridges
Fat Bikes & Cargo Systems → 38g CO2 Cartridges
Custom CO2 Cartridges for Bike Tool Brands (OEM)
Custom Bicycle CO2 Cartridges – Tailored for Inflator Brands & Toolkit OEMs
Cartridge Laser Engraving
Cartridge Sticker Design
Thread Specification Customization
Cartridge Size Customization
Gas Type & Fill Weight Customization
Packaging Customization
Product Specifications & Export Packaging for Bicycle CO2 Cartridges
What You Can Expect for Bike Applications
- 12g cartridges – compact, ideal for budget EDC inflators
- 16g cartridges – most commonly used in road and MTB kits
- 20g / 25g cartridges – optimized for gravel and tubeless tires
- 38g cartridges – best for fat bikes, support crew kits, and endurance riders
- Thread options: 3/8″-24 UNF, 1/2″-20 UNF, 5/8″-18 UNF, or customized threading
- Filling accuracy: ±0.1g tolerance with traceable batch markings
- Surface: rust-resistant zinc or nickel finish over food-grade steel
Export Packaging Tailored to Bike Repair Kits
- Retail-ready inner boxes: 6 / 12 / 30 / 50 / 100 pcs — available in plain or branded packaging
- Stackable export cartons: 500 / 1000 pcs per carton (or customized)
- DG-compliant packaging: UN1013 Class 2.2 for sea freight
- Minimum order: 1 pallet per shipment (mixed SKU allowed)
- Accessory bundling: inflator heads, tire kits, bottles, and valve adapters — all ship together
⚠️ Note: Bicycle CO2 cartridges are pressurized and cannot be shipped by air. All international transport is handled via licensed DG ocean freight specialists.
Want All the Specs in One Place?
- Thread compatibility chart for inflator brands
- CO2 cartridge specs comparison (12g / 16g / 20g / 25g / 38g)
- Global shipping lead times to your country
- Container capacity by SKU and carton size
🚴 Your Manufacturing Partner for Bicycle CO2 Cartridges
- 99.99% food-grade CO2 with SGS-certified gas quality
- Precision threading for 3/8″-24 UNF, 5/8″-18 UNF, and 1/2″-20
- All cartridge sizes: 12g, 16g, 25g, 38g — built for inflators
- Custom engraving, private-label printing, and kit assembly
- Over 500,000+ units/month production with short lead times
- Mixed-container shipping with PET bottles, inflator heads, tubes, and valve kits
The Factory Behind Bike Inflator Brands in 30+ Countries
- alizeemetal.com – CO2 cartridges for outdoor sports and tools (e.g. cycling, life jackets)
- alizeecyl.com – Aluminum cylinders for refillable gas and shooting sports (e.g. air rifles)
- nitronovae.com – N2O chargers for kitchen, café, and party gas only
No traders. No guesswork. Just a factory-backed pipeline you can scale.
500K+/Month Output – Fast OEM & Low MOQ
- Free custom logo engraving on steel cartridges
- Free label or batch sticker design
- All size support: 12g / 16g / 20g / 25g / 38g threaded CO2 cartridges
- MOQ = just 1 pallet per spec
- Sample packs for 16g vs 20g vs 25g comparison
- Engineering files & dimension drawings for inflator matching
Export-Ready with Full Compliance – Air Excluded
✖️ Not suitable for air freight — export via ocean container only.
- CE / ISO / UN stamped for EU and global customs
- Batch-verified gas purity reports (SGS/ISO)
- Documentation for Europe, USA, Southeast Asia, and LATAM
- Optional DDP shipping to selected countries
Consolidate Your Bike Kit Supply – Save 30% Freight
- Match cartridges to toolhead specs
- Bundle valves, tubes, PET bottles in one container
- Customize outer kits with private-label design
- Ship everything together — fewer suppliers, lower freight cost
One partner. Full inflator kits. Fewer headaches. Better margin.
Engineered for Performance — On Road & Off Road
- Quick tire fills in saddle-bag emergencies
- High pressure stability in 38g cartridges for gravel or MTB
- Leak-free threading that won’t fail mid-ride
- Rust-resistant finish for long-term storage
Designed for cyclists. Built for your brand.
Our Guarantee: 3× Compensation for Any Verified Defect
- Triple-value refund for any confirmed defect
- No setup fees, no hidden charges
- Fast, transparent after-sales response
Bicycle CO2 Cartridges – Buyer FAQ
Which CO2 cartridge sizes are most commonly ordered for bicycles?
Are your cartridges compatible with major inflator brands?
Can I mix different sizes in one shipment?
What’s your MOQ and production lead time?
Do you offer custom branding?
- Laser-engraved logo
- Custom color stickers / cartons
- Thread / gas volume customization No setup fee. No design charge. First-batch sample is free.
How do you ensure quality and safety?
- 99.99% pure food-grade CO2 (SGS certified)
- Threaded to industry standards
- Full leak / pressure / burst testing
- Batch traceability and stamped serials
Can these cartridges be shipped by air?
Still Comparing Suppliers? Still Have Questions?
Your B2B Guide to Sourcing Bicycle CO2 Cartridges
Table of Contents
Market Overview: Bicycle CO2 Cartridge Suppliers
Cycling Tool Brands
Brands like Lezyne and Pro Bike Tool usually sell cartridges as part of inflator kits, focusing on retail-ready bundled products.
OEM Manufacturers
Most cartridges are produced by specialized factories, offering flexible sizes, thread compatibility, and private-label packaging.
Emerging & Regional Brands
Many newer brands require small-batch supply, custom branding, and compatibility with repair kits.
Buyer Insight: Most brands do not manufacture cartridges themselves, so supplier selection often matters more than brand recognition.
What’s the Best Starter Size for New Wholesale Buyers?
- Tool Compatibility: 90% of bike inflators on the market are built for threaded 16g cartridges
- User Confidence: One-shot inflation for standard tires reduces customer complaints
- Market Volume: Road and MTB riders make up the majority of cartridge users globally
Threaded vs. Non-Threaded — Which Interface Works Better?
| Feature | Threaded CO2 (e.g., 3/8″-24 UNF) | Non-Threaded CO2 |
| 🔧 Compatibility | Universal for screw-in inflators | Limited to select kits and brands |
| 🔄 Secure Fit | Leak-proof connection | May require seal support |
| 🌐 Market Share | >80% of global CO2 tools | ~20%, mainly budget inflator sets |
| 📦 Packaging Flexibility | High — OEM-friendly for bundling | Often sold pre-packed in kits |
How Much Can Each CO2 Cartridge Inflate?
Quick reference for cartridge selection across common bicycle applications.
Understanding inflation output helps buyers choose the right cartridge size for different bike types and avoid over- or under-specification.
| Tire Type | 12g | 16g | 20g | 25g | 38g |
|---|---|---|---|---|---|
| Road | 90 PSI | 110 PSI | 130 PSI | 135 PSI | 150 PSI |
| Gravel | 45 PSI | 60 PSI | 70 PSI | 75 PSI | 88 PSI |
| MTB (29″) | 19 PSI | 23 PSI | 28 PSI | 32 PSI | 42 PSI |
| Fat Bike | 2 PSI | 3 PSI | 5 PSI | 9 PSI | 15 PSI |
Values are estimates and may vary depending on inflator efficiency and conditions.
Buyer Insight
- 16g–20g suits most standard bike inflator kits
- 25g+ is preferred for high-volume or fat tires
- Choosing the right size helps optimize SKU design and cost control
How End Users Judge Bicycle Tire Inflation (Without a Gauge)
Touch & Feel (Primary Method)
Riders quickly check tire firmness by hand. A properly inflated tire feels firm with slight give, while underinflated tires feel soft.
Visual Shape (Quick Check)
A correctly inflated tire appears evenly rounded with no deformation, especially important for MTB and fat bikes.
Sound & Flow (Secondary Signal)
Gas flow may slow as pressure builds, but this is not a reliable indicator on its own.
Buyer Insight
- Most users cannot measure PSI during use
- Cartridge size directly affects inflation outcome
- Many kits include 2 cartridges to ensure full inflation
Before Your First Order: CO2 Cartridge Sourcing Mistakes to Avoid
1. Size Does Not Always Equal Gas Output
Cartridges with the same nominal size may perform differently due to fill tolerance, gas purity, and sealing quality.
2. Inflator Compatibility Matters
Threaded (3/8″-24 UNF) and non-threaded cartridges are not interchangeable. Mismatch can lead to leakage and product returns.
3. Wrong Size Selection Leads to Slow-Moving SKUs
Selecting sizes without considering tire types often results in overstock or underperforming products.
4. Shipping Requirements Are Often Underestimated
CO2 cartridges are classified as UN1013 dangerous goods, requiring proper documentation and specialized freight handling.
5. Surface Quality Affects Retail Sales
Scratches, stains, or poor finishing can impact shelf appeal, especially for OEM kits and retail packaging.
6. OEM Customization Requires Planning
Custom branding, packaging, and specifications typically involve MOQ and lead time considerations.
Buyer Insight
- Start with core sizes (16g–20g) before expanding SKUs
- Confirm thread compatibility with target markets
- Plan MOQ, packaging, and shipping early
Key Quality Factors for Bicycle CO2 Cartridges
1. Cylinder Cleanliness
Internal cleanliness prevents valve clogging and ensures consistent gas release during inflation.
2. Gas Purity
Stable CO2 purity helps maintain predictable pressure output and consistent performance.
3. Leak-Proof Sealing
Reliable sealing and batch leak testing are essential to avoid pressure loss during storage and use.
4. Pressure Safety
Cartridges must meet burst and pressure tolerance standards to ensure safe handling and transport.
5. Rust Resistance
Surface treatment (e.g. nickel or zinc plating) protects cartridges from corrosion in outdoor conditions.
6. Packaging Quality
Proper packaging prevents scratches, moisture exposure, and damage during shipping and retail display.
Buyer Insight
- Quality issues often lead to returns, complaints, or brand damage
- Surface finish and packaging directly impact retail perception
- Consistent quality matters more than price for long-term supply
Storage Considerations for Bicycle CO2 Cartridges
CO2 cartridges in cycling are often stored in bike shops, repair kits, or saddle bags, where heat and moisture can affect performance.
- Avoid heat and humidity to maintain pressure and prevent rust
- Protect cartridges during transport and retail storage to avoid damage
- Ensure basic ventilation in storage environments
Import Considerations for CO2 Cartridges from China
CO2 cartridges are classified as dangerous goods (UN1013), requiring proper handling, documentation, and shipping arrangements.
- Work with suppliers experienced in DG export and documentation
- Confirm specifications and packaging before shipment
- Plan for sea freight and customs clearance
Product Bundling Options for Bicycle CO2 Cartridges
Bicycle CO2 cartridges are rarely sold alone in cycling retail channels. Most distributors and brands combine them with complementary products to create higher-value repair or inflator kits.
Inflator Heads (Core Component)
CO2 cartridges are typically paired with inflator heads, which control gas release and ensure compatibility with Presta or Schrader valves.
Repair Kits
Many brands bundle cartridges with tire levers, patches, or multi-tools to create complete roadside repair solutions.
Carrying Solutions
Saddle bags or compact pouches are commonly used to store cartridges and inflators for on-bike portability.
Tubeless Repair Integration
For MTB and gravel segments, cartridges are often included in tubeless repair kits for quick puncture sealing and inflation.
Buyer Insight
- Cartridges are often sold as part of a bundle SKU, not standalone
- Bundling improves retail value and product differentiation
- Kit design should match target bike type (road / MTB / gravel)
Other Outdoor Applications for CO2 Cartridges
1.Airsoft & Paintball — used in recreational and tactical outdoor shooting
2. Life Jackets & Inflatable Safety Devices — for rapid inflation in marine and rescue environments
3.Pepper Ball Systems (Outdoor Use) — applied in outdoor defense and security scenarios
4. Pepper Ball Systems (Outdoor Use) — applied in outdoor defense and security scenarios
These outdoor segments allow distributors to expand product lines while staying within related use scenarios.
Sales Channels for Bicycle CO2 Cartridges
CO2 cartridges can be positioned differently across sales channels, depending on how customers purchase and use bike repair products.
Bike Shops
Cartridges are typically placed alongside repair kits and inflators, and often sold as part of bundled repair solutions.
E-commerce Channels
Online sales focus on bundle SKUs (cartridge + inflator + kit), where product combinations and positioning drive conversion.
Repair Shops
Cartridges are commonly used in on-site tire inflation services or offered as add-on products after repair.
Buyer Insight
- CO2 cartridges are rarely sold alone — bundle positioning improves sell-through
- Channel strategy should match how end users actually purchase and use repair kits
- Combining cartridges with inflators or kits helps increase average order value
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Reliable Delivery and Support
We offer fast, reliable global shipping to ensure your bulk orders are delivered on time. Our dedicated support team is always here to answer any questions you may have, including compatibility issues with your equipment and product packaging design, and to guide you through your CO2 cartridge needs.
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Get in touch today for a personalized quote, custom solutions, or to discuss how our CO2 cartridges can boost your business with quality and efficiency.