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Powermeter + crankset / Bottom bracket question

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  • January 23, 2018 at 9:42 pm #28065
    chegue

    Hello! 

    I am bit confused abot BB types and compatibilties. I have a Nivolet 6 LC 2017 bike with pressfit 86.5 bottom bracket standard.

    Since It looks stages and 4iiii barly fits my frameset I’m thinking to buy an FSA powerbox carbon 386EVOor Power2max NGeco FSA K-Force Light BB386EVO to exchange my Ultegra crankset. 

    I currentle have a duraace BB and I’m not sure if it is compatible with the BB386EVO type cranksets.

    The bike currently have ultegra di2 6870 + DURA ACE BB86 bottom bracket.

     

    Thanks for your help. 

     

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Viewing 6 replies - 1 through 6 (of 6 total)
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  • January 27, 2018 at 2:58 pm #910681
    0
    Simontuck

    Praxis is a good source of BB

    Praxis is a good source of BB adaptors, etc.

    January 25, 2018 at 12:35 pm #910679
    0
    chegue

    The only problem is that I’m

    The only problem is that I’m affraid that it would be a downgrade in quality 🙂 Power2Max recommended the same BB instead of the duraace i’m using or to by rotor 3d which is compatible with my current bb. 
    Do u have any idea if there is signifivant quality difference between ultegre 6800, FSA KForce light and Rotor 3d? 

    January 24, 2018 at 11:37 pm #910677
    0
    Acm

    chegue wrote:

    chegue wrote:
    Acm wrote:
    I’m confused as to why you say 4iiii and stages barely fit your frame; both of them make power meters based around the same Shimano cranks as yours. With those you wouldn’t need a new bottom bracket, and I’m fairly sure you can buy a left arm only and just swap those

    Dear Acm!

    I wanted to buy 4iiii but unfortunately according to their and stages’ fitting guide my bike does not have enough clearance between the crankarms and frame 🙁

    At 4iiii according to their pdf guide there should be enogh place to moove a AAA battery along a grey line and in my case the battery just stucks at the first ~5mm. Same problem with stages 🙁

    I’m afraid if i trial it would be an expensive fail :(

    Ah ok, that makes sense! The bottom bracket linked to above should work fine with the bb386 cranks, so that’s a good choice. Your other options would be a Quarq or Rotor power meter, but I don’t know how they compare price-wise to the FSA.

    January 24, 2018 at 10:20 pm #910675
    0
    chegue

    Acm wrote:

    Acm wrote:
    I’m confused as to why you say 4iiii and stages barely fit your frame; both of them make power meters based around the same Shimano cranks as yours. With those you wouldn’t need a new bottom bracket, and I’m fairly sure you can buy a left arm only and just swap those

    Dear Acm!

    I wanted to buy 4iiii but unfortunately according to their and stages’ fitting guide my bike does not have enough clearance between the crankarms and frame 🙁

    At 4iiii according to their pdf guide there should be enogh place to moove a AAA battery along a grey line and in my case the battery just stucks at the first ~5mm. Same problem with stages 🙁

    I’m afraid if i trial it would be an expensive fail 🙁

    January 24, 2018 at 9:43 pm #910673
    0
    Acm

    I’m confused as to why you
    I’m confused as to why you say 4iiii and stages barely fit your frame; both of them make power meters based around the same Shimano cranks as yours. With those you wouldn’t need a new bottom bracket, and I’m fairly sure you can buy a left arm only and just swap those

    January 24, 2018 at 10:57 am #910671
    0
    philhubbard

    This bottom bracket should

    This bottom bracket should work for both https://www.ribblecycles.co.uk/fsa-bb86-386-evo-press-fit-road-bottom-bracket/

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