Shimano DURA-ACE (7900)

tenrongfu · 发表于 2008-6-12 20:47:00

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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>FC-7900/7950 </SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>HOLLOWTECH II 中空二代曲柄组<BR>新设计的中空二代HOLLOWTECH II : <BR>新的设计减少了很多重量；刚性比 FC-7800提高20%；提高刚性，保证冲刺式骑行，改善力的传输。 <BR>外侧链轮中空设计: 减轻重量，同时保证强度；<BR>齿片刚性提高20%，改善力的传输。<BR>更多的齿数选择，满足不同风格和条件下骑行者的需要53-42, 53-39 52-39,, 54-42, 55-42, 56-44T，50-34T 紧凑式 ( FC-7950 )<BR>从165到180mm的臂长选择( 2.5mm )<BR>中轴的适配器采用新的密封设计:转动平滑，使用耐久。<BR>新的齿设计，改善与链条的衔接:提高力的传输效果。</TD></TR></TBODY></TABLE></TD>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>ST-7900 双控手柄 <BR><BR>双控手柄的改进<BR>提高了牵引导线的方式：扩大了变速调节范围 <BR>隐藏式变速走线：操纵轻量，手柄部分减轻重量<BR>右手柄减少变速行程：变速平滑，反应速度提高20% <BR>PTFE 内走线：延长了变速平滑的效果 <BR>支点接近，更易于操作刹车手柄：刹车操作平滑, 急速骑行状态下增强控制性能 <BR>平滑的手柄外形设计：符合人体工程学的手柄外形，即使长途骑行也感受舒适 <BR>手柄行程调节装置：提高骑行者的可调节性 <BR>PTFE 内走线：延长了刹车平滑的效果 <BR>SC-7900 兼容无线速度感应器：走线简单，易于安装手不离把操作 <BR>碳纤维刹车手柄：减轻重量 <BR>钛合金夹环和螺钉：减轻重量</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>RD-7900 后拨链器</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>碳纤维导板:：减轻重量<BR>扩大了换齿范围：换齿范围提高三倍，无需更换成GS后拨<BR>最大齿：28T<BR>齿容量：33T <BR><BR></TD></TR></TBODY></TABLE></TD>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>CN-7900 链条</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>不同的内侧/外侧接片性能:：最好的设计，保证前驱动和后驱动的性能 <BR>新的外侧接片外形：减少卡链的可能 <BR>新的内侧接片设计，改善了与齿片的衔接：即使用力骑踏，变速也平滑； <BR>提高骑踏的效率； <BR>骑踏无噪声； <BR>提高刚性，骑行平滑； <BR>减少掉链的可能 <BR>中空销钉设计：减轻重量 <BR>镂空的内连接片：减轻重量 <BR>SM-CN79 链接片<BR>可重复使用<BR>不使用工具，易于连接或拆除</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>BR-7900 双枢轴钳形刹车</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>改善了刹车枢轴的比例：增强了线性反应<BR>降低了走线调节位置：改善了走线，减少了内线摩擦 <BR>新的闸皮复合材料：刹车力在雨天提高110%, 在晴天提高20% ；<BR>在潮湿情况下，降低了50%的磨损<BR>弹簧张力调节器：容易设置<BR>钛合金的中枢轴螺钉: 减轻重量<BR></TD></TR></TBODY></TABLE></TD>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>SC-7900 飞行甲板（FlightDeck）</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>先进的用于科学分析骑行条件和状况的骑行数据仪。<BR>心率监控器:：通过记录骑行者当前的身体状况，来保证训练的安全和效率<BR>通过编译传感器数据传输进行的无线监控：即使集团骑行也无干涉，准确的数据传输 <BR>无线系统，安装简单，外观简洁<BR>海拔和倾斜度的数据：骑行更有效率<BR>无线连接个人电脑：用于传输骑行数据，通过电脑软件进行分析 </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>CS-7900 飞轮</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>改进了飞轮设计：更好的变速性能，保证频繁变速的效果，重量减轻<BR>保持轻量，同时保证铝合金托架的刚性：重量减轻<BR>多种齿数搭配：扩大选择范围<BR></TD></TR></TBODY></TABLE></TD>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>FD-7900 前拨链器</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>改善了链接性能：在保证变速性能的情况下，运行平滑而轻量<BR>宽链接设计保证了链接的刚性和稳固</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
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<TD class=cqcTextTitleImgHdrBkgrnd14 vAlign=top><SPAN class=cqcTextTitleImgHdrTitle14>HB-7900 前花鼓/FH-7900 后花鼓</SPAN></TD></TR>
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<TD class=cqcTextTitleImgHdrCopy vAlign=top>增强轴的刚性：<BR>增强挤压力方向的刚性，即使是在紧缩快拆的情况下，也保证更好的转动 <BR>更顺畅的轴承调节系统： <BR>性能顺畅，改善可调节性<BR>钛合金花鼓体<BR><BR></TD></TR></TBODY></TABLE></TD>
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