SHIMANO ULTEGRA Di2 FD-R8150-F 前變速器（直裝式 / 2×12 速）

SHIMANO 史上最快的前變速，比 FD-R9150 快 45%。
SHIMANO ULTEGRA Di2 FD-R8150-F 結合全新 Di2 電子平台與 HYPERGLIDE+ 公路技術，在齒盤之間實現最快速、最無縫的切換。正面區域減少 33%，重量僅約 110g，是 ULTEGRA 系列迄今最精巧的前變速器。

為何選擇 FD-R8150-F？

• 史上最快前變速：比 DURA-ACE FD-R9150 快 45%，換檔近乎瞬時

• HYPERGLIDE+ 技術：公路版 HYPERGLIDE+，鏈條與齒盤嚙合更順暢，變速動作一氣呵成

• 極致精巧：正面區域減少 33%，體積更小、線條更流暢

• 輕量化：僅約 110g，比前代更輕

• Di2 精準控制：電子變速在任何情況下都保持一致、精準的換檔表現

• 自動微調：無需調整螺栓，系統自動修正導鏈板位置，徹底消除鏈條摩擦

適合哪些騎乘？

公路、鐵人三項。

技術規格

兼容性

• 變速把手：ST-R8170（ULTEGRA Di2 12 速）、ST-R9270（DURA-ACE Di2 12 速）

• 曲柄：FC-R8100、FC-R8100-P、FC-R9200、FC-R9200-P、FC-R7100 等 12 速雙片曲柄

• 鏈條：CN-M9100、CN-M8100、CN-M7100 等 HG 12 速鏈條

安裝注意

• 此為直裝式安裝，需車架配備焊接座。

• FD-R8150 沒有調整螺栓，無需進行傳統螺栓式初始調整。

• 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。

SHIMANO ULTEGRA Di2 FD-R8150-F FRONT DERAILLEUR (Braze-On / 2×12-Speed)

SHIMANO’s fastest ever front shifting, 45% faster than FD-R9150.
The SHIMANO ULTEGRA Di2 FD-R8150-F combines the new Di2 electronic platform with HYPERGLIDE+ road technology to deliver the fastest, most seamless chainring shifts. With a 33% reduction in frontal area and a weight of only approximately 110g, it is ULTEGRA’s sleekest front derailleur yet.

Why FD-R8150-F?

• Fastest Ever Front Shifting: 45% faster than DURA-ACE FD-R9150, with near-instantaneous shifts

• HYPERGLIDE+ Technology: Road incarnation of HYPERGLIDE+ for smoother chainring engagement and seamless shifting

• Ultra-Compact: 33% reduction in frontal area for a smaller, sleeker profile

• Lightweight: Only approximately 110g, lighter than its predecessor

• Di2 Precise Control: Electronically precise shifting under any circumstances

• Automatic Trimming: No adjustment bolts required; the system automatically corrects guide plate position to eliminate chain rub

Ideal For

Road, triathlon.

Technical Specifications

Compatibility

• Shifters: ST-R8170 (ULTEGRA Di2 12-speed), ST-R9270 (DURA-ACE Di2 12-speed)

• Cranks: FC-R8100, FC-R8100-P, FC-R9200, FC-R9200-P, FC-R7100 and other 12-speed double cranks

• Chain: CN-M9100, CN-M8100, CN-M7100 and other HG 12-speed chains

Installation Notes

• This is a Braze-On mount; the frame must have a braze-on socket.

• The FD-R8150 has no adjustment bolts; traditional bolt-based initial adjustment is not required.

• 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.