COSWHEEL GT20 電動自転車 ユーザーマニュアル

1. はじめに

This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your COSWHEEL GT20 Electric Bike. Please read this manual thoroughly before your first ride and retain it for future reference. Proper understanding and adherence to these instructions will ensure optimal performance and longevity of your electric bike.

The COSWHEEL GT20 is an electric bike designed for adults, featuring a powerful 1000W brushless motor, a 48V/25Ah removable battery, and 20" x 4.0 fat tires, making it suitable for various terrains including roads, mountains, and sand.

2. 安全情報

Always prioritize safety when operating your electric bike.

• Wear a helmet and appropriate safety gear at all times.
• 電動自転車に関する現地の交通法規をよく理解しておきましょう。
• 毎回使用する前に、ブレーキ、タイヤ、バッテリー、ライトをチェックして乗車前点検を行ってください。
• アルコールや薬物の影響下で自転車を運転しないでください。
• 乗車する前に、バッテリーがしっかりと固定されていることを確認してください。
• 極端な気象条件や極端に滑りやすい路面での走行は避けてください。
• 他の車両や歩行者との安全な距離を保ってください。
• The maximum safe load for the bike is 120KG (150KG absolute maximum).

3. 開梱と組み立て

Your COSWHEEL GT20 Electric Bike comes 85% pre-assembled. The remaining assembly steps are straightforward and can be completed with the included tools and user manual. An installation tutorial video is also available for guidance.

3.1. 含まれるコンポーネント

開梱したら、すべてのコンポーネントが揃っていることを確認してください。

• GT20-25AH Ebike x 1
• ツールバッグ×1
• Fender x 2
• 充電器x 1
• ユーザーマニュアル x 1

3.2. 組み立て手順（以上）view)

1. 自転車とすべての部品をパッケージから慎重に取り出します。
2. Attach the front wheel and secure it properly.
3. Install the handlebars, ensuring they are aligned and tightened.
4. Attach the pedals (note left and right pedal orientation).
5. Install the seat post and adjust the seat height.
6. Mount the fenders.
7. Perform a final check of all bolts and quick releases to ensure they are securely fastened.

For detailed assembly instructions, refer to the included user manual and the official installation tutorial video.

Image: The COSWHEEL GT20 Electric Bike, showcasin全体的な設計とコンポーネント。

4. 主要コンポーネントview

4.1. モーター

The GT20 is equipped with a powerful 1000W brushless motor (peak 1500W) delivering 80N.M torque. This motor provides strong power and climbing capabilities, allowing the bike to handle various terrains and inclines with ease.

画像: 詳細 view of the 1500W peak powerful brushless motor, highlighting its robust design and specifications.

4.2. バッテリー

The bike features a high-capacity 48V/25Ah 18650 Lithium-ion battery with a BMS system, ensuring stable and strong output. The battery is removable for convenient charging and enhanced security. A full charge takes approximately 3.5-8 hours.

Image: Visual representation of the 48V 25Ah removable lithium battery, detailing its capacity and charging modes.

4.3. タイヤ

The GT20 is equipped with 20" x 4.0" fat tires (All Terrain, Directional Tread, High-Density). These tires offer high wear resistance, superior grip, and reduced rolling friction, providing stability and protection across various road and weather conditions, including snow, mountain, sand, beach, and city roads.

Image: The COSWHEEL GT20 with its 20" x 4" fat tires, demonstrating its capability to adapt to diverse terrains.

4.4. ブレーキシステム

The bike features an efficient hydraulic disc braking system on both the front and rear wheels. This system ensures timely and powerful braking, allowing for quick stops even during high-speed emergency situations, enhancing rider control and safety.

4.5. サスペンション

Equipped with automotive-grade dual shock absorbers, including an aluminum alloy shock absorber front fork and a rear shock absorber, the GT20 provides a comfortable and stable off-road riding experience by effectively absorbing bumps and vibrations.

画像: 詳細 view of the dual shock absorbers, highlighting the front fork and rear suspension for enhanced ride comfort.

4.6. Display and Lights

A large-sized LCD display provides essential information such as speed, headlight status, and fault codes. The bike also includes a classic angel eye headlight, front and rear turn signal lights, and a highlight LED rear brake light for improved visibility and safety.

4.7. ドライブトレイン

The COSWHEEL GT20 features a Shimano 7-speed gear system, allowing for sensitive shifting and labor-saving riding, even without electric assistance.

Image: An infographic illustrating various features including the Shimano 7-speed derailleur, IP65 waterproof rating, comfortable cushion, LED rear light, and intelligent controller.

5. 操作手順

5.1.電源のオン/オフ

To power on the bike, press and hold the power button on the LCD display. To power off, press and hold the power button again until the display turns off.

5.2. ライディングモード

The COSWHEEL GT20 offers three distinct riding modes:

• バイクモード: Operate the bike like a traditional bicycle, using only pedal power without electric assistance.
• ペダルアシストモード: The motor provides assistance as you pedal. The level of assistance can typically be adjusted via the display. This mode helps extend your range and reduce effort.
• 電気モード： Twist the throttle to engage the motor and propel the bike without pedaling. The maximum speed in this mode can reach 31MPH.

Image: Visual explanation of the three riding modes: Bike Mode, Pedal Assist Mode, and Electric Mode.

5.3. ギアシフト

Use the Shimano 7-speed gear shifter to adjust your pedaling resistance according to terrain and desired speed. Shift gears smoothly to avoid strain on the drivetrain.

5.4. バッテリーの充電

The 48V/25Ah battery can be charged in two ways:

1. 直接充電: Plug the charger directly into the charging port on the bike while the battery is installed.
2. ロック解除と削除: Unlock the battery pack, remove it from the bike, and charge it separately. This is convenient for charging indoors or in secure locations.

Always use the original charger provided with your COSWHEEL GT20. Do not use damaged chargers or attempt to charge with non-compatible devices.

6. メンテナンス

Regular maintenance is crucial for the safety, performance, and longevity of your electric bike.

6.1. 一般的なケア

• Keep the bike clean. Wipe down the frame and components regularly with a damp 布で拭いてください。電気部品に直接高圧洗浄をかけないでください。
• 自転車は直射日光や極端な温度を避け、乾燥した涼しい場所に保管してください。
• Check all bolts and fasteners periodically for tightness.

6.2. タイヤ

• 定期的にタイヤの空気圧を確認し、推奨 PSI (タイヤのサイドウォールに表示) まで空気を入れます。
• 毎回乗る前に、タイヤの摩耗、切れ目、穴がないか点検してください。

6.3. ブレーキ

• Test brakes before each ride to ensure proper function.
• ブレーキパッドの摩耗を確認し、必要に応じて交換してください。
• Ensure brake levers are firm and responsive.

6.4. バッテリーのお手入れ

• Charge the battery regularly, even if the bike is not in use, to maintain its health. Avoid fully discharging the battery.
• バッテリーを極度の高温や低温にさらさないでください。
• If storing the bike for an extended period, charge the battery to 50-70% and store it in a cool, dry place.

7。 トラブルシューティング

This section addresses common issues you might encounter with your COSWHEEL GT20 Electric Bike.

7.1. LCD Display Error Codes

The LCD display may show fault codes if an issue is detected. Refer to the detailed user manual for a list of specific error codes and their corresponding troubleshooting steps. Common issues often relate to motor, battery, or controller connections.

7.2.ノーパワー

• Check if the battery is fully charged and properly inserted/locked.
• すべての電気接続が安全であることを確認してください。
• Verify the power button on the display is functioning.

7.3. Motor Not Assisting

• Confirm the bike is in Pedal-Assist or Electric Mode.
• バッテリーの充電レベルを確認してください。
• Inspect the throttle and pedal-assist sensor connections.

7.4. ブレーキの問題

• Check brake pad wear.
• Inspect brake cables/hoses for damage or leaks (for hydraulic brakes).
• Ensure brake levers are properly adjusted.

If you encounter persistent issues or are unsure about a repair, please contact COSWHEEL customer service for professional technical guidance.

8. 仕様

Image: Detailed specifications including dimensions, battery capacity, charging time, net weight, payload capacity, and recommended rider height.

9. 保証とサポート

9.1. 保証情報

Each COSWHEEL Electric Bike comes with a 1-year all-inclusive warranty service. This warranty covers manufacturing defects and ensures that your product meets quality standards. Please retain your proof of purchase for warranty claims.

9.2. カスタマーサポート

COSWHEEL provides professional technical guidance and customer support. If you have any questions regarding assembly, operation, maintenance, or troubleshooting, please do not hesitate to contact us. We aim to reply to all inquiries within 24 hours.

重要なヒント: Please reserve the original packaging for some time after purchase. This will be essential in case of any issues requiring an Ebike return or warranty service.