描述
SHIMANO XTR FD-M9100-D 前變速器（直鎖式 / 2×12 速）
XTR 頂級側擺技術，專為現代 2×12 速林道車而設。
SHIMANO XTR FD-M9100-D 是 XTR M9100 系列前變速器，採用精煉的 SIDE SWING 側擺設計，提供輕巧操作與可靠、穩定的變速表現，適合進取型林道騎乘。直鎖式安裝直接鎖上車架，穩固精準。
為何選擇 FD-M9100-D？
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SIDE SWING 側擺技術：鏈條沿鏈條路徑方向水平移動，變速直接、高效，操作力度更低
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FRONT-PULL 前拉式走線：走線從前方進入，大幅提升走線效率，變速手感更輕巧
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額外輪胎間隙：側擺設計帶來更大輪胎間隙，兼容現代寬胎車架
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兼容 48.8mm 及 51.8mm Chain Line：單一規格對應標準及 Boost 車架
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直鎖式安裝：直接鎖上車架，安裝穩固，無需束環
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XTR 頂級品質：6 個連桿軸襯，鎳鍍 cage 板，平行四邊形塗裝
適合哪些騎乘？
登山車、越野、林道、All Mountain、Enduro。
技術規格
| 項目 | 規格 |
|---|---|
| 型號 | FD-M9100-D |
| 系列 | SHIMANO XTR M9100 |
| 前變速別 | 2 速 |
| 後變速別 | 12 速 |
| 相容鏈條 | HG 12 速 |
| 作動方式 | SIDE SWING 側擺式 |
| 走線類型 | FRONT-PULL 前拉式 |
| Chain Line | 48.8mm（142mm O.L.D.）/ 51.8mm（148mm O.L.D.） |
| 後下叉角度 | 66-69° |
| 相容最大齒片 | 38T |
| 總包容量 | 10T |
| 安裝類型 | 直鎖式（Direct Mount） |
| 角度調整螺絲 | 有 |
| 連桿軸襯 | 6 |
| 平均重量 | 約 110g |
兼容性
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變速把手：SL-M9100-L、SL-M9100-IL、SL-M8100-L、SL-M8100-IL、SL-M7100-L、SL-M7100-IL
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曲柄：FC-M9100-2、FC-M8100-2、FC-M7100-2、FC-MT610-2（142mm O.L.D.）；FC-M9120-B2、FC-M8120-B2、FC-M7120-B2、FC-MT610-B2（148mm O.L.D.）
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鏈條：CN-M9100、CN-M8100、CN-M7100、CN-M6100 等 HG 12 速鏈條
安裝注意
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直鎖式安裝：直接鎖上車架，適用於配備直鎖式安裝座的車架。
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前拉式走線：變速線必須沿下管內側或上方走線，車架必須支援前拉式走線。
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安裝高度：相容最大齒片視安裝高度而定，155.5mm 安裝高度僅適用 38T。
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安裝需使用合適工具，建議由合資格技師安裝。
SHIMANO XTR FD-M9100-D FRONT DERAILLEUR (Direct Mount / 2×12-Speed)
XTR-Grade Side Swing Technology for Modern 2×12-Speed Trail Bikes.
The SHIMANO XTR FD-M9100-D is a front derailleur from the XTR M9100 series, featuring a refined SIDE SWING design for light action and confident, secure shifting for aggressive trail riding. The Direct Mount version bolts directly to the frame for a solid, precise fitment.
Why FD-M9100-D?
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SIDE SWING Technology: The chain moves horizontally along the chain path for direct, efficient shifting with lower operating force
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FRONT-PULL Cable Routing: Cable enters from the front for significantly improved routing efficiency and lighter shifting action
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Additional Tire Clearance: Side Swing design provides greater tire clearance for modern wide-tire frames
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48.8mm & 51.8mm Chainline Compatible: One spec fits both standard and Boost frames
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Direct Mount: Bolts directly to the frame for a solid fitment without a clamp band
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XTR Top-Tier Quality: 6 link bushings, nickel-plated cage plates, painted parallelogram
Ideal For
Mountain biking, off-road, trail riding, All Mountain, Enduro.
Technical Specifications
| Item | Specification |
|---|---|
| Model | FD-M9100-D |
| Series | SHIMANO XTR M9100 |
| Front Speeds | 2 |
| Rear Speeds | 12 |
| Compatible Chain | HG 12-speed |
| Swing Action | SIDE SWING |
| Cable Route Type | FRONT-PULL |
| Chain Line | 48.8mm (142mm O.L.D.) / 51.8mm (148mm O.L.D.) |
| Chainstay Angle | 66-69° |
| Max Chainring | 38T |
| Total Capacity | 10T |
| Mount Type | Direct Mount |
| Angled Stroke Adjust Screw | Yes |
| Link Bushings | 6 |
| Average Weight | Approx. 110g |
Compatibility
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Shifters: SL-M9100-L, SL-M9100-IL, SL-M8100-L, SL-M8100-IL, SL-M7100-L, SL-M7100-IL
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Cranks: FC-M9100-2, FC-M8100-2, FC-M7100-2, FC-MT610-2 (142mm O.L.D.); FC-M9120-B2, FC-M8120-B2, FC-M7120-B2, FC-MT610-B2 (148mm O.L.D.)
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Chain: CN-M9100, CN-M8100, CN-M7100, CN-M6100 and other HG 12-speed chains
Installation Notes
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Direct Mount: Bolts directly to the frame; suitable for frames equipped with a Direct Mount bracket.
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Front-Pull Routing: The shift cable must be routed inside or above the down tube; the frame must support front-pull routing.
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Installation Height: Compatible max chainring depends on installation height; 155.5mm height is for 38T only.
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Professional installation recommended; requires appropriate tools.
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