描述

SHIMANO XTR 壓入式五通（內藏式中心盆）- MTB 爬山車用 – SM-BB94-41A

XTR 頂級壓入式五通，專為登山車嚴苛環境而生。
SHIMANO XTR SM-BB94-41A 屬頂級 XTR 系列，採用纖維增強聚合物軸承杯，有效降低車架異響及損壞風險。密封結構針對登山車泥沙環境開發，提供順暢輕盈的旋轉表現，同時比前代 SM-BB91-41A 輕 18.5g，適合 Cross Country、All Mountain 及 Enduro 騎乘。

為何選擇 SM-BB94-41A？

• XTR 頂級系列：比前代 SM-BB91-41A 輕 18.5g，踩踏更輕盈 

• 纖維增強聚合物軸承杯：降低車架異響及損壞風險 

• MTB 專用密封：針對登山車泥沙環境開發，耐用性更高 

• 小型滾珠軸承：降低重量同時保持順暢旋轉 

• 壓入式設計：專為 PF92 規格車架而設，安裝穩固 

適合哪些騎乘？

登山車、Cross Country、All Mountain、Enduro。

技術規格

兼容性

• 曲柄：SHIMANO XTR Hollowtech II 24mm 軸心曲柄，包括：

  • FC-M980、FC-M985

  • FC-M9000、FC-M9020

  • FC-M9100、FC-M9120、FC-M9125、FC-M9130

  • FC-MT900

• 車架：壓入式五通殼（直徑 41mm），寬度 89.5mm 或 92mm

• 安裝工具：TL-BB12（安裝）；TL-BB13（拆卸）

包裝內容

• 1 x SM-BB94-41A 右側軸承杯（含軸承）

• 1 x SM-BB94-41A 左側軸承杯（含軸承）

• 1 x 五通中心管（Inner Sleeve）

• 1 x 2.5mm 墊片

• 1 x 內蓋 O 型環

備註

• 安裝時請依五通殼寬度選用墊片：92mm 無需墊片，89.5mm 需使用 2.5mm 墊片。

• 若車架五通殼內部有開口，需安裝內蓋 O 型環以防異物進入。

• 安裝需使用專用壓入工具，建議由合資格技師安裝。

• 此為壓入式五通，不適用於 BSA 鎖牙式車架。

SHIMANO XTR PRESS-FIT BOTTOM BRACKET – MTB – SM-BB94-41A

XTR-Grade Press-Fit Bottom Bracket, Built for Harsh MTB Conditions.
The SHIMANO XTR SM-BB94-41A belongs to the top-tier XTR series, featuring fibre-reinforced polymer cups that reduce the risk of frame noise and damage. The sealing is developed specifically for muddy MTB environments, delivering smooth, light rotation while being 18.5g lighter than its predecessor SM-BB91-41A. Ideal for Cross Country, All Mountain and Enduro riding.

Why SM-BB94-41A?

• XTR Top-Tier Series: 18.5g lighter than predecessor SM-BB91-41A for lighter pedalling 

• Fibre-Reinforced Polymer Cups: Reduce the risk of frame noise and damage 

• MTB-Specific Sealing: Developed for muddy MTB conditions, enhanced durability 

• Small Ball Bearings: Reduced weight while maintaining smooth rotation 

• Press-Fit Design: Specifically designed for PF92 frames, secure fitment 

Ideal For

Mountain biking, Cross Country, All Mountain, Enduro.

Technical Specifications

Compatibility

• Cranks: SHIMANO XTR Hollowtech II 24mm axle cranks, including:

  • FC-M980, FC-M985

  • FC-M9000, FC-M9020

  • FC-M9100, FC-M9120, FC-M9125, FC-M9130

  • FC-MT900

• Frames: Press-fit shells (41mm diameter), 89.5mm or 92mm width

• Installation Tools: TL-BB12 (installation); TL-BB13 (removal)

Package Contents

• 1 x SM-BB94-41A Right Bearing Cup (with bearings)

• 1 x SM-BB94-41A Left Bearing Cup (with bearings)

• 1 x Bottom Bracket Center Tube (Inner Sleeve)

• 1 x 2.5mm Spacer

• 1 x Inner Cover O-Rings

Notes

• Select spacer according to shell width: no spacer for 92mm, 2.5mm spacer for 89.5mm.

• If the frame has openings inside the bottom bracket shell, install the inner cover O-rings to prevent contamination.

• Professional installation recommended; requires a press tool.

• This is a press-fit bottom bracket, not suitable for BSA threaded frames.