1. はじめに
Thank you for choosing the isinwheel M50 Electric Bike. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new electric bicycle. Please read this manual thoroughly before your first ride and keep it for future reference. The M50 is designed for adults, featuring a 27.5-inch tire, a 750W peak motor, full suspension, and a 13Ah removable battery, offering a maximum speed of 32 KM/H and a PAS range of up to 60 KM.
2. 安全情報
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Familiarize yourself with local traffic laws and regulations regarding electric bicycles. Perform a pre-ride inspection before each use.
- ヘルメットの使用: 必ず認定ヘルメットを着用してください。
- 乗車前チェック: Inspect brakes, tires, battery, and all fasteners before each ride.
- 交通法規: Obey all local traffic laws, signs, and regulations.
- 気象条件: Exercise caution in wet or slippery conditions.
- 重量制限: 最大耐荷重 330 ポンドを超えないようにしてください。
- 年齢範囲: この電動自転車は大人向けです。
3. セットアップと組み立て
The isinwheel M50 Electric Bike arrives approximately 90% pre-assembled. Basic assembly is required for components such as the handlebar, front wheel, pedals, seat, and fenders. A tool kit and instructions are included to assist you.
組み立て手順:
- 開梱: 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。
- ハンドルバーの取り付け: ハンドルバーをステムに取り付け、中央に配置され、しっかりと締められていることを確認します。
- 前輪: ディスク ブレーキ ローターがキャリパーに正しく取り付けられていることを確認しながら、前輪を取り付けます。
- ペダル: Attach the pedals. Note that pedals are typically marked 'L' for left and 'R' for right, and have different thread directions.
- シートポスト: Insert the seat post into the frame and adjust to a comfortable height, then secure it with the quick-release lever.
- フェンダー: Install the front and rear fenders if they are not already attached.
- バッテリー: Ensure the battery is securely installed and locked into the frame.

Image: The isinwheel M50 Electric Bike, ready for final adjustments after initial assembly.
For detailed visual guidance, please refer to the assembly video available on the product page.
4. 操作手順
Understanding how to operate your M50 electric bike ensures a safe and enjoyable riding experience.
4.1. バッテリーと充電
The M50 is equipped with a 13Ah removable battery. To charge, connect the charger to the battery charging port and then to a power outlet. The indicator light on the charger will show the charging status. Always use the original charger provided.

Image: The 13Ah removable battery integrated into the M50 frame, highlighting its design.
4.2.電源のオン/オフ
To power on the bike, press and hold the power button on the display unit. To power off, press and hold the power button again.
4.3. ペダルアシストシステム(PAS)
The M50 features a Pedal Assist System (PAS) with multiple levels. Use the '+' and '-' buttons on the control panel to adjust the assist level. Higher levels provide more motor assistance, while lower levels offer less. The bike also has a throttle for pure electric power.
4.4. ギアシフト
Your M50 is equipped with a 7-speed Shimano gear system. Use the shifter on the handlebar to change gears, allowing you to adapt to different terrains and inclines. Shift smoothly to avoid damage to the drivetrain.

Image: The Shimano 7-speed gear shifter and rear derailleur, demonstrating the bike's adaptable gearing.
4.5. ヘッドライトの操作
The M50 includes a 130 Lux headlight for enhanced visibility. Activate the headlight using the dedicated button on the control panel. Ensure it is on when riding in low-light conditions.

Image: The powerful 130 Lux headlight, designed for clear visibility during night rides.
5. メンテナンス
Regular maintenance is crucial for the longevity and performance of your isinwheel M50 Electric Bike.
- タイヤ空気圧: Check tire pressure regularly. The 27.5-inch dirt tires require specific pressure for optimal grip and ride comfort. Refer to the tire sidewall for recommended PSI.
- ブレーキ: Inspect disc brakes for wear on pads and rotors. Ensure brake levers are firm and responsive. Adjust or replace components as needed.
- 鎖: スムーズなギアチェンジを実現し、摩耗を防ぐために、チェーンを清潔に保ち、潤滑してください。
- サスペンション: Periodically check the 4-Link full suspension system for proper function and ensure all pivot points are free of debris.
- バッテリーのケア: Store the battery in a cool, dry place. Avoid fully discharging the battery and charge it regularly, even when not in use, to prolong its lifespan.
- 一般的な清掃: dでバイクを掃除してくださいamp 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。
- 留め具: Regularly check and tighten all bolts and nuts, especially on critical components like the handlebars, wheels, and seat post.

Image: The aggressive tread pattern of the 27.5-inch tire, designed for superior grip on various terrains.

Image: The advanced 4-Link full suspension system, engineered for stability and a smooth ride over rough terrain.
6。 トラブルシューティング
This section addresses common issues you might encounter with your M50 electric bike.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| バイクの電源が入らない | バッテリーが充電されていないか、正しく取り付けられていない、接続が緩んでいる。 | Ensure battery is fully charged and securely seated. Check all cable connections. |
| モーターがアシストしない | PAS レベルはゼロに設定され、ブレーキ レバーが作動し、モーター ケーブルが切断されています。 | PASレベルを上げてください。ブレーキレバーを離してください。モーターケーブルの接続を確認してください。 |
| バッテリーの航続距離が短い | Low tire pressure; riding in high assist levels; frequent stops/starts; cold weather. | Inflate tires to recommended pressure. Use lower PAS levels. Maintain consistent speed. |
| ブレーキが弱いように感じる | Worn brake pads; air in hydraulic system (if applicable); misaligned caliper. | Inspect and replace brake pads. Consult a bike mechanic for hydraulic system bleeding or caliper adjustment. |
If you encounter issues not listed here or require further assistance, please contact isinwheel customer support.
7. 仕様
Detailed technical specifications for the isinwheel M50 Electric Bike:
- モデル: M50
- ブランド: 半輪
- 製品寸法: 181.5 x 70 x 112 cm(71.5 x 27.6 x 44.1インチ)
- モーター: 750W Peak Motor (500W rated)
- バッテリー: 13Ah (468 Watt Hours) Removable Lithium Battery
- 最高速度: 32 キロメートル/時 (20 マイル/時)
- PAS Range: Up to 60 KM (37 miles)
- ホイールサイズ: 27.5インチ
- タイヤ: 27.5" Dirt Tires
- 速度数: 7(シマノ)
- サスペンションタイプ: Dual (4-Link Full Suspension)
- ブレーキスタイル: ディスクブレーキ
- ヘッドライト: 130ルクス
- 最大荷重: 330ポンド
- 推奨ライダー身長: 5'5" - 6'5"
- 組み立てが必要: はい(90%組み立て済み)
- Intended Riding Terrain: Mountain Terrain, Trail

Image: The isinwheel M50 in action, demonstrating its 750W peak motor power and quick acceleration.

画像: 次元オーバーview of the M50 electric bike, providing key measurements for fit and storage.
8. 保証とサポート
isinwheel stands behind the quality of its products. The M50 electric bike has passed Safe 2849 certifications, ensuring reliability and safety.
- 保証: Specific parts of the e-bike are covered by a warranty of one year or 180 days, depending on the component. Please refer to your purchase documentation for detailed warranty terms.
- 顧客サービス: If you have any questions or encounter issues with your M50 electric bike, please do not hesitate to contact our customer support team. We are committed to providing satisfactory service within 24 hours.