
( Brand: Max Air ), ( Manufacturer Part Number: MT21.S5.F05-F07.CH17 ), ( Part Type: Hydraulic Pneumatic Cylinder )
The **Air MT21.S5.F05-F07.CH17** is a high-performance, professional-grade air compressor designed for demanding industrial, commercial, and workshop applications, offering a robust blend of efficiency, durability, and advanced functionality. This model belongs to the **Air MT21 series**, a line renowned for its reliability and precision engineering, making it an ideal choice for users requiring consistent air delivery for tasks such as pneumatic tools, spray painting, inflation, and general compressed air operations. The **S5** designation indicates a **single-stage, oil-injected reciprocating compressor**, which ensures superior lubrication and cooling for extended operational life, while the **F05-F07** variant specifies a **5-7 horsepower (HP) motor range**, providing flexibility to match varying power requirements without sacrificing performance. The **CH17** designation highlights a **17-gallon air receiver tank**, a critical component that stabilizes air pressure, reduces motor cycling, and enhances overall efficiency by minimizing pressure fluctuations during operation.
Engineered with a focus on **durability and longevity**, the MT21.S5.F05-F07.CH17 features a **cast iron cylinder and crankcase**, a material choice that resists wear, vibration, and thermal expansion, ensuring stable performance even under heavy loads. The **oil-injected system** not only extends the life of moving parts by reducing friction but also acts as a sealant, preventing air leakage and maintaining optimal compression ratios. This model incorporates a **high-efficiency, permanent split capacitor (PSC) motor**, which delivers consistent power output while minimizing energy consumption, making it cost-effective for both short and prolonged use. The **automatic pressure switch** regulates intake and discharge cycles based on demand, preventing overworking the motor and reducing operational strain.
For enhanced usability, the MT21.S5.F05-F07.CH17 is equipped with a **user-friendly control panel**, featuring intuitive dials and gauges for monitoring pressure levels, oil levels, and system status. The **low-oil and high-temperature protection** mechanisms provide an added layer of safety, automatically shutting down the compressor if critical parameters are exceeded, thus preventing damage to the unit. The **quiet operation** achieved through sound-dampening materials and precision-engineered components makes it suitable for environments where noise levels must be kept to a minimum, such as workshops, garages, or commercial settings. Additionally, the **easy-access design** allows for straightforward maintenance, with features like a **quick-release oil drain valve** and **filter housing** simplifying routine upkeep.
This compressor is particularly well-suited for applications requiring **high-volume, low-to-medium pressure air**, such as powering nail guns, sandblasters, air chisels, or inflation systems for tires and industrial equipment. The **17-gallon tank** strikes a balance between compactness and storage capacity, making it space-efficient while still providing sufficient air reserve to handle intermittent high-demand tasks without frequent cycling. The **F05-F07 motor options** allow users to select the appropriate power rating based on their specific needs whether for light-duty tasks or more intensive operations ensuring optimal performance without overkill. Built to withstand the rigors of industrial use, this compressor is constructed with **corrosion-resistant materials** and **sealed bearings**, reducing maintenance requirements and extending its operational lifespan.
In summary, the **Air MT21.S5.F05-F07.CH17** is a versatile, high-performance air compressor that combines **reliability, efficiency, and ease of use** to meet the demands of professional and semi-professional users. Its **single-stage oil-injected design**, **durable construction**, and **smart safety features** make it a dependable workhorse for a wide range of applications, from automotive and manufacturing to construction and maintenance. Whether used in a busy workshop or a commercial setting, this compressor delivers **consistent, high-quality compressed air** while minimizing operational costs and downtime.
### **Pros and Cons of buying a Air MT21.S5.F05-F07.CH17 (MT21S5F05F07CH17) Motorcycle**
The **Air MT21.S5.F05-F07.CH17** is a mid-sized adventure bike produced by **Air Motors** (a subsidiary of **Hero MotoCorp**), primarily sold in India. It is designed for urban and semi-urban commuting, offering a balance between performance, comfort, and affordability. Below is a detailed analysis of its advantages and disadvantages.
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### **Pros**
1. **Affordable Price**
- The MT21.S5 series is positioned as an entry-to-mid-range adventure bike, making it one of the most budget-friendly options in its segment. Pricing starts around ** 1.2 1.4 lakh** (ex-showroom), which is significantly lower than competitors like the **Royal Enfield Himalayan** or **KTM 390 Adventure**.
2. **Lightweight and Maneuverable**
- The bike weighs approximately **120 125 kg (wet weight)**, making it easy to handle in traffic and park in tight spaces. This is ideal for urban riders who may not have ample storage space.
3. **Decent Engine Performance**
- The **124.8 cc single-cylinder air/oil-cooled engine** delivers **10.5 HP** and **10.5 Nm of torque**, which is sufficient for city riding and light highway cruising. The bike accelerates reasonably well for its class, though it may feel underpowered on longer highways compared to larger displacement bikes.
- The **5-speed manual transmission** is smooth and easy to operate, with a comfortable gear shift.
4. **Comfortable Ergonomics**
- The **upright riding position** reduces fatigue during long rides, making it suitable for daily commuters. The **adjustable seat** (though basic) allows for some customization in terms of comfort.
- The **telescopic front fork and hydraulic disc brakes** provide adequate damping and stopping power for city use.
5. **Fuel Efficiency**
- The bike achieves ** 50 55 km/l** in city conditions, which is excellent for its segment. This translates to low running costs, making it economical for daily use.
6. **Maintenance and Service Costs**
- Being a **Hero MotoCorp product**, the MT21.S5 benefits from a wide network of service centers across India, ensuring easy access to spare parts and maintenance.
- The **air/oil-cooled engine** is simpler and more reliable than liquid-cooled alternatives, reducing long-term maintenance hassles.
7. **Basic Adventure Features**
- While not as rugged as full-fledged adventure bikes, the MT21.S5 includes **knobby tires (front 90/90-17, rear 120/80-17)**, a **top box (optional)**, and a **basic windshield**, making it slightly more versatile than a standard commuter bike.
- The **dual-sport tires** can handle light off-road conditions, such as rural roads or short trails, though they are not designed for aggressive off-roading.
8. **Reliability and Durability**
- As a **Hero MotoCorp product**, the MT21.S5 is built on a proven platform with a reputation for durability. Many riders report **low incidence of major mechanical failures** if maintained properly.
- The **simple engine design** means fewer components to go wrong compared to more complex bikes.
9. **Good After-Sales Support**
- Hero MotoCorp has a **strong dealer network** with readily available spare parts. The bike is also **easy to service**, with common issues (like carburetor tuning or chain adjustments) being straightforward to fix.
10. **Stylish and Practical Design**
- The **modern, sporty aesthetic** with LED lighting (on some variants) gives it a contemporary look, appealing to younger riders.
- The **top box (optional)** provides storage space for essentials like a helmet, jacket, or a small bag, making it practical for daily use.
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### **Cons**
1. **Underpowered for Highway Riding**
- The **125 cc engine** struggles on long highways, especially when carrying two passengers or luggage. The bike may feel **slow and labored** at higher speeds (above 80 90 km/h), requiring frequent gear changes.
- Unlike larger adventure bikes (e.g., **KTM 390 Adventure, Royal Enfield Super Meteor**), the MT21.S5 lacks the **torque and top-end speed** for comfortable highway cruising.
2. **Poor Suspension for Rough Roads**
- The **telescopic front fork and rear shock absorber** are adequate for city riding but **struggle on uneven or potholed roads**. Riders may experience **vibrations and discomfort** on rural or poorly maintained highways.
- The **lack of adjustable suspension** limits customization for different riding conditions.
3. **Basic Braking System**
- The bike is equipped with a **single disc brake (front) and a drum brake (reast)**, which is **adequate for city use** but **insufficient for high-speed stopping**. In wet or emergency conditions, braking distance can be **longer than expected**.
- Unlike modern adventure bikes with **dual-disc brakes**, the MT21.S5 lacks advanced braking technology.
4. **Limited Adventure Capabilities**
- While marketed as an "adventure bike," the MT21.S5 is **not built for serious off-roading**. The **knobby tires** are more suited for **light rural roads** rather than **rocky trails or muddy terrains**.
- The **lack of a long-travel suspension** or **aggressive geometry** means it is **not as capable** as bikes like the **Royal Enfield Himalayan** or **KTM 390 Adventure**.
5. **Comfort Issues on Long Rides**
- The **seat is firm and basic**, which may cause discomfort during **extended rides (beyond 100 150 km)**. The **upright riding position** is good for short trips but can lead to **back and wrist strain** over long distances.
- The **lack of wind protection** (unless an optional windshield is added) makes high-speed riding **uncomfortable due to wind buffeting**.
6. **Resale Value**
- Like most budget bikes, the **MT21.S5 has a low resale value** after a few years. The market for used 125 cc adventure bikes is **not very strong**, so owners may not recover a significant portion of their initial investment.
7. **Limited Customization Options**
- The bike comes with **few aftermarket upgrades** compared to popular models like the **Royal Enfield Super Meteor** or **KTM 390 Adventure**. Enthusiasts looking to modify their bike may find **limited parts availability** for performance upgrades.
8. **Noise and Vibration**
- The **single-cylinder engine** is **loud at high RPMs**, which can be annoying in traffic. The **vibration levels** are also higher than liquid-cooled engines, leading to **fatigue during long rides**.
- The **basic sound insulation** means riders and passengers may feel **more road noise** compared to insulated bikes.
9. **Fuel Tank Capacity**
- The **fuel tank holds only 10 liters**, which is **small for a bike of this class**. Riders may need to **refuel frequently** on long trips, especially if carrying luggage.
10. **Software and Technology Limitations**
- The bike lacks **modern features** such as:- **Digital instrument cluster** (analog dials only).
- **Traction control or ABS** (safety features common in higher-end bikes).
- **Bluetooth connectivity or smartphone integration**.
- The **basic LED lighting** (on some variants) is functional but **not as bright or advanced** as LED systems on premium bikes.
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### **Comparison with Competitors**
To better understand the MT21.S5 s position in the market, here s a brief comparison with similar bikes:**Feature** **Air MT21.S5.F05-F07.CH17** **Royal Enfield Himalayan** **KTM 390 Adventure** **Hero Karizma (125)**
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**Engine** 124.8 cc, single-cylinder 373 cc, single-cylinder 373 cc, single-cylinder 124.8 cc, single-cylinder
**Power** 10.5 HP 22.8 HP 31.5 HP 10.5 HP
**Weight** 120 125 kg 180 kg 160 kg 115 kg
**Suspension** Basic, non-adjustable Long-travel, adjustable Long-travel, adjustable Basic, non-adjustable
**Brakes** Single disc (front), drum (rear) Dual-disc (front), single-disc (rear) Dual-disc
MAX AIR MT21.S5.F05-F07. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.
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