S900 曲柄组

S900 曲柄组
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在SRAM Rival OCT和Force曲柄组之间,又多了S900选择。该款产品具有新型的单向碳纤维曲柄臂及锻铝盘爪,可以配合 SRM™和Quarq™功率计系统。 S900含Power- Glide™齿盘和GXP™ BB。提供标准盘和压缩盘,多种曲柄臂长度可选。

 

曲柄臂材质单向碳纤维, 锻铝盘爪
齿盘材质PG 齿盘,阳极氧化硬涂层
重量795g (含GXP BB)
可选曲柄臂长度170mm, 172.5mm, 175mm, 177.5mm
可选比率53/39, 50/36, 50/34
BB30

除了大幅减重,该款BB意味着窄Q值,更大的脚踝空间,更好的轴承耐久性和更牢固的曲柄构造。

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GXP®

GXP的沟槽密封设计,可减少摩擦和重量,增加耐久性——提升感受和表现。

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PressFit™

A variant of the external GXP bottom bracket, PressFit cuts weight by up to 40 grams and eases installation by allowing you to press the bearing cups into the frame instead of threading them. It requires no change to the crank spindle length and diameter.

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Pressfit 30™

This is a new design led by SRAM. It’s all the best from BB30 and Press-Fit bottom brackets in one captivating package. This bottom bracket is designed for 30mm spindle cranksets. The key difference with PressFit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. PressFit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. PressFit 30 for road will require a 68mm wide shell while PressFit 30 for MTB will require a 73mm wide shell. Advantages: Huge weight savings, narrow Q-factor, more ankle clearance, greater bearing durability, stiffer/stronger crank construction, simple installation. Allows for larger diameter frame tubes increasing frame stiffness. Drawbacks: Still searching.

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建议零售价
美金: $290 - $336
人民币: ¥1733 -¥ 1973
人民币价格已含税

Some variations of this product featured on this page are not available for purchase and are installed on bicycles as original equipment only. See your dealer for details.

SRAM Warranty (2.3 MB, PDF)

EN, DE, ES, FR, IT, NL, PT, JA, ZH, PL, DA, CS, EL, RO, FI, SV, GA, BG, MT, SK, SL, HU, ET, LV, LT, KO, RU
28 Pages Updated September 18, 2013