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Lightest BB30 powermeter
http://weightweenies.starbike.com/forum/viewtopic.php?f=3&t=112248
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Author:  Drappo [ Sun Feb 10, 2013 11:51 pm ]
Post subject:  Re: Lightest BB30 powermeter

Francois_Viviers wrote:
Rotor power, lightest bb30 by far, shipping already. But there is a waiting list. -+520 grams for 130bcd

http://www.power.rotorbike.com" onclick="window.open(this.href);return false;

But, it's not in stock now, right?
Alhoa

Author:  Weenie [ Sun Feb 10, 2013 11:51 pm ]
Post subject:  Re: Lightest BB30 powermeter


Author:  eric [ Mon Feb 11, 2013 4:09 am ]
Post subject:  Re: Lightest BB30 powermeter

Francois_Viviers wrote:
Rotor power, lightest bb30 by far, shipping already. But there is a waiting list. -+520 grams for 130bcd



That weight is without chainrings or BB. To compare with Quarq, add chainrings. 53/39 130mm BCD old Red chainrings that ship on Quarq Elsa are about 140g. Quarq tells me that the BB30 version of the Elsa is "10-20" g lighter than the GXP they list the weight for. With identical chainrings and spindle, and no BB for either, the comparison is 660g for Rotor vs 710g for Quarq Elsa. Still lighter but not as much.

Author:  JackDaniels [ Sat Apr 20, 2013 5:23 pm ]
Post subject:  Re: Lightest BB30 powermeter

stages, hollowgram, 475g for left/right arm and 53/39 rings (no bb)

Image

Author:  natefontaine [ Sat Dec 28, 2013 5:32 pm ]
Post subject:  Re: Lightest BB30 powermeter

JackDaniels, can you give us the weight of just the power meter arm so I can compare. Based on your picture I estimate it at 165gm.

Sent from my SPH-L900 using Tapatalk

Author:  NiFTY [ Sun Dec 29, 2013 6:46 am ]
Post subject:  Re: Lightest BB30 powermeter

The sisl2 are not in production at present. My stages Si 172.5 arm is 170 grams.That compares to my Si SL arm (non-stages) at 143 grams.

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