描述
# SHIMANO 105 Di2 FD-R7150 前變速器(直裝式 / 2×12 速 / 黑色)
**105 系列首款電子前變速器,精準、流暢、無需手動微調。**
SHIMANO 105 Di2 FD-R7150 是 105 系列首次搭載電子變速的前變速器,專為 2×12 速公路車傳動系統而設。透過 Di2 數位控制,變速動作精準協調,並具備自動微調(Auto Trim)功能,徹底消除鏈條摩擦。直裝式安裝,平均重量約 142g 。
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## 為何選擇 FD-R7150?
– **Di2 電子變速**:數位精準控制,換檔動作有力、準確、流暢
– **自動微調功能**:系統根據後變速器位置自動調整導鏈板,無需手動修正鏈條摩擦
– **同步變速功能**:透過 E-TUBE App 可選擇手動、半同步或全同步變速模式
– **防掉鏈設計**:電子控制大幅降低鏈條脫落風險
– **直裝式安裝**:對應車架焊接座,穩固精準
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## 適合哪些騎乘?
公路、鐵人三項。
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## 技術規格
| 項目 | 規格 |
|—|—|
| 型號 | FD-R7150 |
| 系列 | SHIMANO 105 Di2 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) |
| 安裝方式 | 直裝式(Brazed-On) |
| 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 | 2 |
| E-TUBE 韌體更新 | 支援 |
| SD300 端口 | 1 |
| 平均重量 | 約 142g |
| 顏色 | 黑色 |
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## 兼容性
– **變速把手**:ST-R7170(105 Di2 12 速)
– **曲柄**:FC-R7100、FC-RS520、FC-R8100、FC-R8100-P、FC-R9200、FC-R9200-P
– **鏈條**:CN-M9100、CN-M8100、CN-M7100、CN-M6100 等 HG 12 速鏈條
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## 安裝注意
– 連接電線時,請使用 SHIMANO 原廠工具 TL-EW300
– 進行變速操作時,務必保持曲柄轉動
– 請勿使用高壓清洗機直接沖洗,避免水分進入 E-TUBE 端口
– 未使用的 E-TUBE 端口請務必裝上防塵塞
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**The first electronic front derailleur in the 105 series — precise, smooth, and no manual trimming required.**
The SHIMANO 105 Di2 FD-R7150 is the first front derailleur in the 105 series to feature electronic shifting, designed for 2×12-speed road drivetrains. With Di2 digital control, shifts are precise and coordinated, featuring automatic trimming that eliminates chain rub. Braze-on mount, average weight approximately 142g .
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## Why FD-R7150?
– **Di2 Electronic Shifting**: Digitally precise control for powerful, accurate, smooth shifts
– **Automatic Trimming**: System automatically adjusts the guide plate based on rear derailleur position, eliminating chain rub without manual correction
– **Synchronized Shifting**: Manual, semi-synchronized, or fully synchronized modes selectable via E-TUBE app
– **Chain Drop Prevention**: Electronic control significantly reduces the risk of dropped chains
– **Braze-On Mount**: Attaches to frame‘s braze-on socket for solid, precise fitment
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## Ideal For
Road, triathlon.
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## Technical Specifications
| Item | Specification |
|—|—|
| Model | FD-R7150 |
| Series | SHIMANO 105 Di2 R7100 |
| Front Speeds | 2 |
| Rear Speeds | 12 |
| Compatible Chain | HG 12-speed |
| Action | Down Swing |
| Mount Type | Brazed-On |
| Chain Line | 44.5mm |
| Chainstay Angle | 61-66° |
| Max Chainring | 50-52T |
| Total Capacity | 16T |
| Link Bushings | 2 |
| E-TUBE Firmware Update | Supported |
| SD300 Port | 1 |
| Average Weight | Approx. 142g |
| Color | Black |
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## Compatibility
– **Shifters**: ST-R7170 (105 Di2 12-speed)
– **Cranks**: FC-R7100, FC-RS520, FC-R8100, FC-R8100-P, FC-R9200, FC-R9200-P
– **Chain**: CN-M9100, CN-M8100, CN-M7100, CN-M6100 and other HG 12-speed chains
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## Installation Notes
– Use SHIMANO original tool TL-EW300 when connecting electric wires
– Always keep the crank rotating during shifting operations
– Do not use a high-pressure washer; avoid water entering E-TUBE ports
– Always attach dummy plugs to unused E-TUBE ports









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