§2024-08-02

• Vedio Shimano Alfine 內變速 + 皮帶傳動 Vello Rocky Alfine

• Simano Alphine

Shimano's Alfine line is well-regarded for its reliable internal hub gearing systems. Here’s a comparison between the Alfine S7000/S700 and S7005/S705 D12:

1. Shimano Alfine S7000/S700

• Gearing:
  • The Alfine S7000/S700 features an 11-speed internal hub, which provides a wide range of gears for varied riding conditions.
  • The gear ratios are designed to offer a balance between performance and comfort.
• Design:
  • This model emphasizes a sleek design, which integrates well with urban and commuting bikes.
  • The hub is compact, making it aesthetically pleasing and practical for city bikes.
• Durability:
  • Known for its reliability and robustness in daily use.
  • The internal gear mechanism is well-protected from elements like dirt and moisture.
• Maintenance:
  • Low maintenance compared to external derailleur systems, but internal hubs can still require periodic servicing.
• Applications:
  • Ideal for urban commuting, touring, and recreational riding.

2. Shimano Alfine S7005/S705 D12

• Gearing:
  • The S7005/S705 features a 12-speed internal hub, offering an even wider range of gears compared to the S7000/S700.
  • This 12-speed system provides more fine-tuned gear ratios, which can be advantageous for varied terrains and more demanding rides.
• Design:
  • Slightly updated design for better performance and integration. Aims to provide enhanced ergonomics and efficiency.
• Durability:
  • The 12-speed hub retains Shimano’s reputation for durability but with improvements that cater to more aggressive riding styles or conditions.
• Maintenance:
  • Similar low maintenance needs as the S7000/S700 but with potential added complexity due to the increased number of gears.
• Applications:
  • Suited for more diverse cycling needs, including mountain biking and extended touring.

§Key Differences

• Gear Range: The S7005/S705 D12 has a broader range and finer gear increments compared to the 11-speed S7000/S700, which translates to better versatility in different riding conditions.
• Performance: The 12-speed system in the S7005/S705 may offer smoother and more precise shifting, which can be advantageous in challenging terrains.
• Applications: The S7005/S705 D12 is better suited for riders who need a wider gear range and are likely to encounter more varied riding conditions, while the S7000/S700 is ideal for city commuters and recreational riders who need reliability and simplicity.

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