5700/5800 compatibility

Greenbeetle
Greenbeetle Posts: 70
edited September 2014 in Road general
Hi, I'm in the process of building up a new (wet weather) bike. I need a new groupset but I'm uncertain which way to jump, bearing in mind swapping old parts from my summer 10-speed ...

Can anyone point me to a definitive guide to on the compatibility situation of the 10 and 11 speed 105?

Comments

  • Grill
    Grill Posts: 5,610
    Brakes and chainset are compatible.
    English Cycles V3 | Cervelo P5 | Cervelo T4 | Trek Domane Koppenberg
  • markhewitt1978
    markhewitt1978 Posts: 7,614
    It's not so much between 105, but between 10 and 11 speed in general. The main thing to watch out for is the wheels, you need an 11 speed hub or the cassette won't fit.
  • Greenbeetle
    Greenbeetle Posts: 70
    Great, thanks. And that's a good point, as I have mostly Ultegra 10-speed on the old bike.

    Just have to decide if I'm going to "future-proof" or "past-proof" myself.
  • Grill
    Grill Posts: 5,610
    Just get the whole groupset. You won't save much sourcing separately and the chainset and brakes are far nicer.
    English Cycles V3 | Cervelo P5 | Cervelo T4 | Trek Domane Koppenberg
  • Greenbeetle
    Greenbeetle Posts: 70
    My post was a bit ambiguous... By old bike, I meant summer bike. The new winter bike has nothing yet (besides some 10-speed ex-summer bike wheels), but I was preparing for exchanges in the future.

    The 11-speed does look nicer at least, but the wheels are just sitting there. Free of charge, and in perfectly good nick.

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