소개
The SRAM PG1070 10-Speed Cassette is engineered for road cycling, providing precise and reliable gear changes across its 11-25 tooth range. This manual offers essential information for the proper installation, operation, maintenance, and troubleshooting of your cassette to ensure optimal performance and longevity.
Image: SRAM PG1070 10-Speed Cassette, 11-25T variant, showcasing its design and gear configuration.
설정 및 설치
Proper installation is crucial for the performance and safety of your SRAM PG1070 cassette. If you are unsure about any step, consult a professional bicycle mechanic.
필요한 도구:
- Cassette Lockring Tool
- 체인 휩
- 토크렌치
- 유지
설치 단계:
- 뒷바퀴를 탈거하세요: 자전거 프레임에서 뒷바퀴를 조심스럽게 분리하세요.
- (해당되는 경우) 기존 카세트를 제거하십시오. Use the chain whip to hold the cassette stationary and the cassette lockring tool with a wrench to loosen and remove the lockring. Slide the old cassette off the freehub body.
- 깨끗한 프리허브 본체: Thoroughly clean the freehub body, removing any dirt, grease, or debris. Inspect for damage.
- 윤활유를 바르세요: 프리허브 본체의 나사산과 카세트 잠금링 안쪽에 얇게 그리스를 바르십시오.
- 새 카세트를 설치하세요: Align the wide spline on the cassette with the wide spline on the freehub body. Slide the cassette cogs onto the freehub body. Ensure all cogs and spacers are correctly oriented and seated. The SRAM PG1070 features a semi-spider construction for maximum stiffness, ensuring precise alignment.
- Lockring을 설치하세요: Thread the cassette lockring onto the freehub body by hand, ensuring it is not cross-threaded.
- Tighten Lockring: Use the cassette lockring tool and torque wrench to tighten the lockring to the manufacturer's specified torque. For SRAM cassettes, this is typically 40 Nm (350 in-lbs). Refer to your bicycle or hub manufacturer's specifications for exact torque values if different.
- 뒷바퀴를 다시 설치하세요: Reinstall the rear wheel into your bicycle frame, ensuring it is properly seated and secured.
- 변속기 조정: After installation, it is essential to check and adjust your rear derailleur for smooth and accurate shifting across all 10 speeds.
작동 지침
The SRAM PG1070 cassette is designed for optimal performance with 10-speed drivetrains. Follow these guidelines for effective operation:
- 부드러운 변속: Shift gears smoothly and deliberately. Avoid shifting under heavy load, especially when climbing, as this can cause premature wear and poor shifting performance.
- 변화를 예측하세요: Plan your gear changes in advance, especially before inclines or descents, to maintain a consistent cadence and reduce stress on the drivetrain.
- Optimal Tooth Profile: The PG1070 features an optimal tooth profile and shift ramp design for quick and positive index shifting. This technology ensures that your chain moves efficiently between cogs.
- Cross-Chaining: Minimize cross-chaining (e.g., using the large chainring with the largest cassette cog, or small chainring with the smallest cassette cog) as it increases wear on the chain and cassette.
유지
Regular maintenance extends the life of your SRAM PG1070 cassette and ensures consistent performance.
청소:
- 빈도: Clean your cassette regularly, especially after riding in wet or dirty conditions.
- 절차: Use a degreaser specifically designed for bicycle drivetrains to remove grime from the cogs and spacers. A stiff brush or cassette cleaning tool can help reach between the cogs. Rinse thoroughly with water and dry completely.
점검:
- Cog Wear: Periodically inspect the teeth of each cog for signs of wear, such as 'shark fin' profiles (where teeth become pointed and hooked). Worn cogs can lead to poor shifting and chain skipping.
- 체인 마모: A worn chain can accelerate cassette wear. Check your chain regularly with a chain wear indicator tool and replace it when necessary.
- 견고함: Ensure the cassette lockring remains tight. Re-torque if necessary.
문제 해결
다음은 몇 가지 일반적인 문제와 이에 대한 잠재적 해결책입니다.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 변속이 부실하거나 일관성이 없음 | Incorrect derailleur adjustment, worn chain, dirty cassette, bent derailleur hanger | Adjust rear derailleur limit screws and B-tension. Check chain for wear and replace if needed. Clean cassette. Inspect and straighten/replace derailleur hanger. |
| Chain skipping on cogs | Worn cassette cogs, worn chain, insufficient chain tension | Inspect cassette for worn teeth and replace if necessary. Replace worn chain. Ensure proper chain length and derailleur tension. |
| Unusual noise from cassette area | Loose lockring, dirty cassette, worn freehub bearings, misaligned components | Check and re-torque cassette lockring. Clean cassette. Inspect freehub for play; service or replace bearings if needed. Ensure all components are correctly installed. |
명세서
- 상표: 에스램
- 모델: PG1070
- 속도: 10단
- 기어비 : 11-25T (11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 25 teeth)
- 재료: 합금강, 알루미늄
- 건설: Semi-spider for maximum stiffness
- 무게: 약 9.6온스(272그램)
- 기술: Power Glide 10 speed cassette technology, optimal tooth profile and shift ramp 설계
- 제조업체 부품 번호: FW6251
- 모델 번호: 137773
- UPC/GTIN: 710845617386, 710845709562
보증 및 지원
SRAM products are manufactured to high standards and are covered by a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the official SRAM website or contact SRAM customer support directly. Keep your proof of purchase for warranty claims.
For technical assistance, spare parts, or further inquiries, please visit the official 에스램 web대지 또는 공인 서비스 센터에 문의하세요.