1. Giới thiệu và kết thúcview
Thank you for choosing the ROCKBROS 20-in-1 Bicycle Multi-Tool. This compact and versatile tool is designed to assist with common bicycle repairs and adjustments, ensuring you are prepared for unexpected issues on the road or trail. Constructed from durable stainless steel and aluminum alloy, it offers a comprehensive set of functions in a portable design.

Hình ảnh 1.1: Chi tiết view of the ROCKBROS 20-in-1 Multi-Tool with all 20 functions clearly labeled, including various hex keys, screwdrivers, and specialized wrenches.
2. Tính năng sản phẩm
- Chức năng 20 trong 1: This multi-tool integrates a wide range of essential bicycle repair tools, including:
- Hex Keys: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm
- Screwdrivers: Slotted, Phillips
- Torx: T25
- Máy cắt xích
- MAVIC1, MAVIC2
- Hex Wrenches: 5mm, 8mm, 10mm
- Spoke Wrenches: 13G, 14G, 15G
- Xây dựng chất lượng cao: Manufactured from robust stainless steel and aluminum alloy, treated with an environmentally friendly electroplating process for enhanced corrosion resistance and long-lasting durability.
- Ứng dụng đa năng: Designed for use with all types of bicycles. Its comprehensive toolset also makes it suitable for various general household repair tasks.
- Nhỏ gọn và di động: Featuring a foldable design, this repair kit is small and lightweight, allowing for convenient storage and transport in a pocket, saddlebag, or backpack.
3. Thiết lập
The ROCKBROS 20-in-1 Multi-Tool requires no complex setup. It is ready for immediate use upon removal from its packaging. Simply unfold the desired tool from the main body to access its function.

Image 3.1: The multi-tool disassembled to show individual components and then reassembled and held in a hand, demonstrating its compact form factor.
4. Hướng dẫn vận hành
To use any of the integrated tools, gently pivot the desired tool outwards from the main body until it locks into an open position. Ensure the tool is fully extended and stable before applying force. Always use the correct tool for the specific task to prevent damage to your bicycle or the tool itself.
4.1 Using the Chain Breaker
- Position the chain link you wish to break onto the chain breaker's cradle.
- Align the pin of the chain breaker with the pin of the chain link.
- Slowly turn the handle clockwise to push the chain pin out.
- Once the pin is sufficiently pushed out, remove the chain.

Image 4.1: A user demonstrating the chain breaker function of the multi-tool on a bicycle chain, highlighting its practical application.
4.2 Using Hex Keys and Wrenches
Select the appropriate size hex key or wrench for the bolt or nut you need to adjust. Insert the tool fully into the fastener to ensure a secure grip. Apply steady, controlled pressure to turn the fastener. Avoid excessive force to prevent stripping the fastener or damaging the tool.
4.3 Using Spoke Wrenches
Identify the correct spoke wrench size (13G, 14G, or 15G) for your bicycle's spokes. Carefully place the wrench onto the spoke nipple. Turn the nipple incrementally to adjust spoke tension, checking wheel trueness as you go.
5. Bảo trì
To ensure the longevity and optimal performance of your ROCKBROS Multi-Tool, follow these maintenance guidelines:
- Vệ sinh: After each use, especially if exposed to dirt, moisture, or grease, wipe the tool clean with a dry cloth. For stubborn grime, use a mild detergent and water, then dry thoroughly.
- Bôi trơn: Periodically apply a small amount of light machine oil to the pivot points of the folding tools to ensure smooth operation and prevent rust.
- Kho: Store the multi-tool in a dry environment to prevent corrosion. Its compact size allows for easy storage in a tool kit, drawer, or bicycle bag.
- Điều tra: Regularly inspect the tool for any signs of wear, damage, or loose components. Discontinue use if significant damage is observed.
KHAI THÁC. Xử lý sự cố
Most issues with the multi-tool can be resolved by ensuring correct usage and proper maintenance. If you encounter difficulties, consider the following:
- Tool not unfolding smoothly: Apply a small amount of lubricant to the pivot points. Ensure no dirt or debris is obstructing the mechanism.
- Difficulty with chain breaker: Ensure the chain pin is correctly aligned with the breaker pin. Do not force the tool; if resistance is too high, the chain may be seized or the tool misaligned.
- Tháo rời ốc vít: Always use the correct size tool for the fastener. Ensure the tool is fully seated before applying torque. Avoid using worn tools.
7. Thông số kỹ thuật
| Tính năng | Chi tiết |
|---|---|
| Số hiệu mẫu | GJ8060 |
| Màu sắc | Đen |
| Vật liệu | Stainless Steel, Aluminum Alloy |
| Các thành phần bao gồm | Hex keys, Spoke wrenches, Screwdrivers, Torx, Chain Breaker |
| Số lượng công cụ | 20 |
| Folded Dimensions (L x W) | 7 cm x 4 cm (khoảng 2.8 inch x 1.6 inch) |
| Cân nặng | 122g (xấp xỉ) |
| Nước xuất xứ | Trung Quốc |

Image 7.1: The multi-tool displayed with its folded dimensions (7cm x 4cm) and weight (122g) for reference.
8. Thông tin bảo hành
ROCKBROS products are manufactured to high-quality standards. For specific warranty details regarding your 20-in-1 Bicycle Multi-Tool, please refer to the warranty card included with your purchase or visit the official ROCKBROS website. General warranty terms typically cover manufacturing defects under normal use conditions.
9. Hỗ trợ
For technical assistance, product inquiries, or after-sales service, please contact ROCKBROS customer support. Contact information can typically be found on the product packaging, the official ROCKBROS webtrang web hoặc thông qua nhà bán lẻ của bạn.
ROCKBROS is committed to providing quality products and excellent customer service. We are available to assist with any questions or concerns you may have regarding your multi-tool.