SHIMANO FD-R7100-F 105 FRONT DERAILLEUR 12-SPD 十二速波撥 (直裝式)

描述

# SHIMANO 105 FD-R7100-F 前變速器（直裝式 / 2×12 速）

**承襲 DURA-ACE / ULTEGRA 技術，十二速入門公路首選。**

SHIMANO 105 FD-R7100-F 採用 SHIMANO 肘節式連桿（Toggle Link）結構，搭配經優化的導鏈器設計，與碟煞公路車無縫兼容。直裝式（Braze-On）安裝直接固定於車架焊接座，穩固精準，提供更輕巧、順暢自然的前變速體驗。

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## 為何選擇 FD-R7100-F？

– **肘節式連桿結構**：源自 DURA-ACE / ULTEGRA 的頂級設計，變速操作更輕巧，槓桿行程更短
– **整合式線纜張力調節**：無需外加微調器，調整精準簡便
– **多樣走線選項**：支援外走線（裸線）及內走線（整合止栓）設計，兼容更多車架
– **碟煞公路車優化**：導鏈器設計與碟煞車架無縫兼容
– **寬齒比兼容**：最大齒片 50-52T，總容量 16T
– **輕量化**：平均重量約 96g

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## 適合哪些騎乘？

公路、鐵人三項、越野公路。

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## 技術規格

| 項目 | 規格 |
|—|—|
| 型號 | FD-R7100-F |
| 系列 | SHIMANO 105 R7100 |
| 前變速別 | 2 速 |
| 後變速別 | 12 速 |
| 相容鏈條 | HG 12 速 |
| 作動方式 | 下擺式（Down Swing） |
| 走線類型 | 下走線（Down-Pull） |
| 安裝方式 | 直裝式（Braze-On / 焊接座） |
| Chain Line | 44.5mm |
| 後下叉角度 | 61-66° |
| 相容最大齒片 | 50-52T |
| 總齒包容量 | 16T |
| 連桿軸襯 | 7 |
| 平均重量 | 約 96g |

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## 兼容性

– **變速把手**：ST-R7120、ST-RX820、ST-RX610 等 12 速公路 / GRX 左手變把
– **曲柄**：FC-R9200、FC-R8100、FC-R7100、FC-RS520、FC-RX820-2、FC-RX610-2 等 12 速雙片曲柄
– **鏈條**：CN-M9100、CN-M8100、CN-M7100、CN-M6100 等 HG 12 速鏈條

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## 備註

– 此為直裝式安裝，需車架配備焊接座；如車架無焊接座，需另購束環轉接座（FD-R7100-B 為束環式版本）。
– 安裝需使用合適工具，建議由合資格技師安裝。
– 購買前請確認車架安裝類型及後下叉角度。

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# SHIMANO 105 FD-R7100-F FRONT DERAILLEUR (Braze-On / 2×12-Speed)

**DURA-ACE / ULTEGRA technology trickled down, the 12-speed entry point for road.**

The SHIMANO 105 FD-R7100-F features SHIMANO‘s Toggle Link construction with an optimized cage design, seamlessly compatible with disc brake road bikes. The Braze-On mount attaches directly to the frame’s braze-on socket for a solid, precise fitment, delivering lighter, smooth and natural front shifting.

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## Why FD-R7100-F?

– **Toggle Link Construction**: Derived from DURA-ACE / ULTEGRA for lighter shifting operation with shorter lever throw
– **Integrated Cable Tension Adjustment**: No inline barrel adjuster needed, precise and easy adjustment
– **Multiple Routing Options**: Supports bare shift cable and integrated cable housing stop
– **Disc Brake Road Optimized**: Cage design seamlessly compatible with disc brake frames
– **Wide Gear Compatibility**: Max chainring 50-52T, total capacity 16T
– **Lightweight**: Average weight approximately 96g

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## Ideal For

Road, triathlon, cyclocross.

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## Technical Specifications

| Item | Specification |
|—|—|
| Model | FD-R7100-F |
| Series | SHIMANO 105 R7100 |
| Front Speeds | 2 |
| Rear Speeds | 12 |
| Compatible Chain | HG 12-speed |
| Action | Down Swing |
| Cable Route Type | Down-Pull |
| Mount Type | Braze-On |
| Chain Line | 44.5mm |
| Chainstay Angle | 61-66° |
| Max Chainring | 50-52T |
| Total Capacity | 16T |
| Link Bushings | 7 |
| Average Weight | Approx. 96g |

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## Compatibility

– **Shifters**: ST-R7120, ST-RX820, ST-RX610 and other 12-speed road / GRX left shifters
– **Cranks**: FC-R9200, FC-R8100, FC-R7100, FC-RS520, FC-RX820-2, FC-RX610-2 and other 12-speed double cranks
– **Chain**: CN-M9100, CN-M8100, CN-M7100, CN-M6100 and other HG 12-speed chains

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## Notes

– This is a Braze-On mount; the frame must have a braze-on socket. If not, a clamp adapter is required separately (FD-R7100-B is the clamp band version).
– Professional installation recommended; requires appropriate tools.
– Please verify frame mount type and chainstay angle before purchase.