20120918 AQ報報

Stages Cycling StageONE 功率計

使用strain gage 測量左曲柄張力與power 之間的關係的, 精度+/-2%...而且有溫度校正補償← 這都想到了


很輕，20g，而且只要是同型號的"鋁"曲柄都可以裝


使用ANT+ & Bluetooth Smart 傳輸協定...用手機也能紀錄


測出來的數據與PowerTap 比對(藍線是StageONE)，還OK...不過，如果騎士的右腿出力比較大怎麼辦？


吃CR2032 電池，據說可以撐200+hr

Made in USA...除了印刷電路板是愛呆丸...

價格如下
Cannondale BB30: Price TBD
Hollowgram SI SL (pre-2012, road/mtn power meter only)
Hollowgram SI SL2 road
Hollowgram SI SL2 mountain
Hollowgram SI road
Hollowgram SI mountain

Shimano:
Dura-Ace 9000, $949 power meter; $1,349 complete crankset
Dura-Ace 7900, $899 power meter; $1,299 complete crankset
Ultegra 6700, $799 power meter; $1,099 complete crankset
105 5700, $699 power meter
Dura-Ace Track, $899 power meter
XTR, $899 power meter
XT, $799 power meter
Saint, $899 power meter
DXR, $899

SRAM/Truvativ:
X9 GXP, $699 power meter; $899 complete crankset (Compatible with X7, X9, X0, XX [166mm Q model], and many other Truvativ
X9 BB30, $699 power meter; $949 complete crankset
Rival OCT GXP, $699 power meter; $899 complete crankset (Compatible with Apex, Rival, Force, Red, Truvativ Omnium (track), and many other Truvativ models)

有興趣嗎？