1. Product Overview
The CRADIAC Concept X is a 24-speed hybrid cycle designed for road use. It features a rigid fork, an aluminum frame, and Shimano hydraulic dual disc brakes. This manual provides essential information for the safe and efficient use of your bicycle.

Image 1.1: The CRADIAC Concept X Hybrid Cycle. This image displays the complete bicycle from a side-front angle, highlighting its sleek design and wheel structure.
2. Setup and Assembly
Your CRADIAC Concept X cycle requires assembly. The package includes assembly instructions and necessary tools. Please follow the detailed instructions provided in the separate assembly guide for proper setup.
2.1 Included Components
- Bicycle frame and components
- Assembly tools
- Assembly instructions
- Side stand / Kickstand
2.2 Initial Checks
Before your first ride, ensure all bolts and quick releases are securely tightened. Check tire pressure, brake function, and gear shifting. Verify that the handlebars and seat post are adjusted to a comfortable and safe riding position.

Image 2.1: Detail of the bicycle's alloy frame with internal cable routing and Shimano shifters on the handlebar. This image illustrates key components that require proper assembly and adjustment.
3. Operating Instructions
3.1 Gear Shifting (24-Speed)
The CRADIAC Concept X is equipped with a 24-speed Shimano drivetrain, featuring front and rear derailleurs and twist grip shifters. To shift gears, rotate the twist grip on the handlebar. Shift to a lower gear for uphill climbs and a higher gear for flat or downhill riding. Always pedal lightly while shifting to ensure smooth transitions.

Image 3.1: An exploded view of the CRADIAC Concept X highlighting key components such as Shimano shifters, front and rear derailleurs, chainwheel, cassette, and hydraulic disc brakes. This provides an overview of the drivetrain and braking system.

Image 3.2: Close-up of the Shimano Acera M3020 Rear Derailleur. This component is crucial for shifting gears on the rear cassette.

Image 3.3: Close-up of the Shimano Altus M310 Front Derailleur. This component manages gear changes on the front chainrings.
3.2 Braking System (Shimano Hydraulic Dual Disc Brakes)
Your cycle is equipped with powerful Shimano hydraulic dual disc brakes for reliable stopping power. Apply both front and rear brakes simultaneously for effective and controlled deceleration. Avoid sudden, hard braking, especially with the front brake, to prevent loss of control.

Image 3.4: A detailed view of the Shimano MT 200 hydraulic disc brake lever and caliper assembly. These brakes provide consistent and strong stopping performance.
4. Maintenance
Regular maintenance ensures the longevity and safe operation of your bicycle. Perform these checks periodically:
- Cleaning: Keep the frame, drivetrain, and brakes clean. Use mild soap and water, then rinse and dry thoroughly.
- Chain Lubrication: Lubricate the chain regularly, especially after riding in wet conditions. Wipe off excess lubricant.
- Tire Pressure: Check tire pressure before each ride. Maintain the recommended pressure indicated on the tire sidewall.
- Brake Inspection: Inspect brake pads for wear and ensure brake levers operate smoothly. Check for any fluid leaks in the hydraulic system.
- Gear Adjustment: If shifting becomes imprecise, the derailleurs may need adjustment. Consult a professional bicycle mechanic if you are unsure.
- Bolt Tightness: Periodically check all bolts and fasteners for proper tightness, especially on the handlebars, seat post, and wheels.
5. Troubleshooting
This section addresses common issues you might encounter with your CRADIAC Concept X cycle.
- Clunky Pedaling: If pedaling feels clunky, check the chain for proper lubrication and tension. Inspect the bottom bracket and pedals for any looseness or damage.
- Brakes Not Responsive: Ensure brake levers are not spongy. This could indicate air in the hydraulic line or worn brake pads. Professional service may be required for hydraulic brake bleeding or pad replacement.
- Difficulty Shifting Gears: Check if the shifter cables are properly tensioned and free of kinks. Derailleur alignment might be off. Minor adjustments can often resolve this, but complex issues may require a mechanic.
- Tires Losing Air Quickly: Inspect tires for punctures or valve stem issues. Ensure the valve cap is secure.
For issues not covered here or if you are unsure about a repair, it is recommended to consult a qualified bicycle mechanic.
6. Specifications
| Feature | Detail |
|---|---|
| Bike Type | Hybrid Bike |
| Model Name | CRADIAC Concept X |
| Age Range (Description) | Youth (Ideal for 15+ Years, 5.8+ FT height) |
| Brand | CRADIAC |
| Number of Speeds | 24 |
| Colour | DARK BLUE |
| Suspension Type | Rigid |
| Brake Style | SHIMANO Hydraulic Dual Disc Brakes |
| Specific Uses For Product | Road |
| Wheel Size | 29 Inches (700 x 35C) |
| Item Weight | 13.5 Kilograms |
| Frame Material | Aluminium |
| Assembly Required | Yes |

Image 6.1: CRADIAC Bike Size Chart indicating recommended age group (14+), gender (unisex), frame size (18 inch), and rider height (5.8 FT+). This chart helps determine suitability for the rider.
7. Warranty Information
The CRADIAC Concept X Hybrid Cycle comes with a 6 MONTHS warranty for manufacturing defects only. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accidents, neglect, improper assembly, or normal wear and tear. Please retain your proof of purchase for warranty claims.
8. Support and Contact
For further assistance, technical support, or warranty inquiries, please contact the manufacturer:
- Manufacturer: TUNGSTEN GOODS PVT LTD
- Contact Number: 18001230037
- Brand Store: Visit the CRADIAC Store on Amazon