1. 서론
Thank you for choosing the BH Fitness SB3 Magnetic H919N Indoor Bike. This manual provides essential information for the safe assembly, operation, and maintenance of your new fitness equipment. Please read this manual thoroughly before initial use and keep it for future reference. This indoor bike is designed for semi-professional use, offering an intense and effective workout experience in a home environment.

Figure 1.1: The BH Fitness SB3 Magnetic H919N Indoor Bike, showcasin견고한 프레임과 디자인 덕분입니다.
2. 안전 정보
Before using this equipment, please observe the following safety precautions:
- 운동 프로그램을 시작하기 전에 의사와 상담하십시오.
- 매 사용 전에 모든 부품이 올바르게 조립되고 단단히 조여졌는지 확인하십시오.
- 작동 중에는 어린이와 애완동물을 장비에 가까이 두지 마십시오.
- 자전거를 주변에 충분한 공간을 확보한 평평하고 안정적인 곳에 놓으십시오.
- 적절한 운동화와 옷을 착용하세요.
- 최대 사용자 체중 130kg(286lbs)을 초과하지 마십시오.
- 실신, 현기증, 통증을 느끼면 즉시 운동을 중단하세요.
- The magnetic brake system can generate heat; avoid touching the flywheel immediately after intense use.
3. 설치 및 조립
The BH Fitness SB3 Magnetic H919N comes partially pre-assembled. Follow these steps to complete the setup:
3.1 안정 장치 부착
Attach the front and rear stabilizers to the main frame using the provided bolts and washers. Ensure they are securely fastened to provide a stable base for the bike.
3.2 페달 설치
Identify the left (L) and right (R) pedals. The left pedal screws counter-clockwise, and the right pedal screws clockwise. Apply a small amount of grease to the threads and tighten them firmly. The bike features mixed pedals, accommodating both SPD cleats and standard athletic shoes with toe cages.

Figure 3.2: Close-up of the mixed pedals and flywheel area, showing the robust crank arm.
3.3 안장과 핸들바 조절하기
The seat and handlebars offer micro-adjustments for optimal comfort and riding posture. Loosen the adjustment knobs, slide the seat/handlebars to your desired height and horizontal position, and then firmly tighten the knobs.

Figure 3.3: The ergonomically designed seat with micro-adjustment capabilities for personalized comfort.
3.4 Attaching the Console
Connect the console cables to the corresponding ports on the bike frame. Mount the console onto the handlebar post and secure it with the provided screws.
4. 사용 설명서
4.1 콘솔 함수
The console displays key workout metrics to help you monitor your progress. It typically shows:
- 분당 회전수: 분당 회전수(페달 케이던스).
- CAL : Calories burned (estimated).
- 거리: 이동 거리.
- 시간: Workout duration.
- 펄스: Heart rate (requires a compatible telemetric heart rate strap, not included).

Figure 4.1: The digital console displaying RPM, Calories, Distance, and Time metrics.
4.2 저항 조정
The SB3 Magnetic H919N features a magnetic resistance system for smooth and silent operation. To increase resistance, turn the resistance knob clockwise. To decrease resistance, turn it counter-clockwise. The magnetic brake system can generate up to 320 watts at 60 RPM.

Figure 4.2: Detail of the magnetic brake system, ensuring quiet and consistent resistance.
4.3 비상 정지
In case of an emergency, press down firmly on the resistance knob to quickly stop the flywheel.
5. 유지관리
Regular maintenance ensures the longevity and safe operation of your indoor bike:
- 청소: 광고로 자전거를 닦으십시오amp 사용 후에는 천으로 닦아 땀과 먼지를 제거하세요. 연마성 세제는 사용하지 마세요.
- 매끄럽게 하기: Periodically check and lubricate moving parts as recommended by BH Fitness (refer to specific product documentation if available).
- 견고성 확인: Regularly inspect all bolts, nuts, and connections to ensure they are tight. Tighten any loose components.
- 벨트 검사: Check the drive belt for any signs of wear or damage. Contact customer support if replacement is needed.
- 저장: 자전거는 직사광선과 극한 온도 변화를 피해 건조하고 서늘한 곳에 보관하십시오.
6. 문제 해결
If you encounter issues with your BH Fitness SB3 Magnetic H919N, refer to the table below for common problems and solutions:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| Bike is unstable | Loose stabilizers or uneven floor | Ensure all stabilizer bolts are tight. Adjust leveling feet on stabilizers if present. |
| 삐걱거리거나 갈리는 소리 | Loose components, lack of lubrication, or foreign object | Check all bolts and connections. Lubricate moving parts if necessary. Inspect flywheel area for obstructions. |
| 콘솔에 데이터가 표시되지 않습니다 | Loose cable connection or dead batteries | Check console cable connections. Replace console batteries. |
| 저항이 변하지 않음 | 저항 메커니즘 문제 | Ensure the resistance knob is properly engaged. If the problem persists, contact customer support. |
7. 사양
- 모델 번호: H919N
- 치수(길이 x 너비 x 높이): 104 x 64 x 119cm(40.9 x 25.2 x 46.9인치)
- 제품 무게: 39.5kg(87파운드)
- 최대 사용자 무게: 130kg(286파운드)
- 저항 시스템: 자기
- 플라이휠 무게: 18 kg (approximate, based on product description)
- 재료: 합금강
- 전원: Pedal-powered (no electric)
- 특별 기능: Water bottle holder, Micro-adjustable seat and handlebars, Telemetric pulse reception
- 권장 사용: Indoors, Semi-professional
8. 보증 및 지원
For warranty information, please refer to the warranty card included with your product or visit the official BH Fitness website. If you require technical assistance, spare parts, or have any questions not covered in this manual, please contact BH Fitness customer support. Ensure you have your model number (H919N) and proof of purchase ready when contacting support.
BH Fitness Customer Support: Please refer to your regional BH Fitness web연락처 정보 사이트.