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  1. #1
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    Extra set of wheels with disc brakes?

    I'm buying some slick tires for touring to go along with my mtb tires. To save some much needed time I would like to just have a whole new set of wheels to make a quick swap when needed. Question is, what all do I need to buy if I have disc brakes? Would I have to buy a new cassettes also? Rotors? Thank you.

  2. #2
    Senior Member BlazingPedals's Avatar
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    Yes, if you want them to be quickly swappable you'll need a cassette and rotors. For best swap-ability, the cassette should probably be the same ratio as the one on the other wheelset, or at least close. I'd also get separate skewers for the wheels rather than swap them back and forth. And it goes without saying you'll want tires/tubes/rim strips.

  3. #3
    Senior Member cyclist2000's Avatar
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    I would get a hub and cassette that matches the other wheel to minimize the adjustment of the rd.
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    Think about it. By the time you were to change cassette and rotors over to a new wheel, you could have changed tires and tubes on the original ones. The only point in buying a second set of wheels for road use is so that you can make a quick switch from road to off road use and back again. Not buying everything that goes with the new wheels sort of misses the point.

  5. #5
    Senior Member JReade's Avatar
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    I looked into this before, I love my MTB, but didnt love the knobbies on the street. I bought an old road bike for $100.00. Tires + tubes+ rims + discs + cassette + skewers + etc was pretty close to $100.00. Whatever price difference there is, is worth it to just pick up the bike and go.

  6. #6
    rebmeM roineS JanMM's Avatar
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    Switching over rotors and cassette would be OK for a seasonal swap but not a quick swap.
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  7. #7
    Uber Goober StephenH's Avatar
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    Question: If you swap two wheels with disk brakes, will the brake automatically be perfectly lined up on the wheel each time? Or do you have to readjust brakes due to minor variations in wheel/rotor spacing?
    "be careful this rando stuff is addictive and dan's the 'pusher'."

  8. #8
    rebmeM roineS JanMM's Avatar
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    I've only done that once; replaced a stock Jet Set front wheel with a Velocity Thracian and ---> brake remained in proper adjustment.
    RANS V3 (steel), RANS V-Rex, RANS Screamer

  9. #9
    Senior Member Milice's Avatar
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    Most of the with Disk brakes is seems that you have a little disk rub. I just set my brakes to my primary wheels (race wheels) and let my beaters rub and squeel a little. Your results may vary though.
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  10. #10
    coprolite fietsbob's Avatar
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    Hydraulics would self adjust, some,
    mechanicals would take some fine tuning ,
    I would think.

  11. #11
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    If you switch from a worn cassette to a new one, the chain may slip. Be prepared to fit a new chain. Have one pre-sized to the correct length with a SRAM master link.

  12. #12
    Older than dirt CCrew's Avatar
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    Quote Originally Posted by fietsbob View Post
    Hydraulics would self adjust, some,
    mechanicals would take some fine tuning ,
    I would think.

    As the owner of several disc brake bikes I can vouch this is the right answer....

  13. #13
    Senior Member xizangstan's Avatar
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    How common is it to build up wheel sets that are both rim brake rims, and disc brake hubs? Seems to me they keep my options open, for swapping around on more than one bike.
    Who is John Galt?

  14. #14
    rebmeM roineS JanMM's Avatar
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    Various models of RANS recumbent bikes come stock with rim brakes and wheels built up with disc brake hubs. Not sure how common that is on other brands of bikes. Yes, you have more options with that setup.
    RANS V3 (steel), RANS V-Rex, RANS Screamer

  15. #15
    Older than dirt CCrew's Avatar
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    Quote Originally Posted by xizangstan View Post
    How common is it to build up wheel sets that are both rim brake rims, and disc brake hubs? Seems to me they keep my options open, for swapping around on more than one bike.
    It limits your choices in rims somewhat, seems like the better disc rims these days are disc only...but rim/disc combo are certainly out there from multiple manufacturers.

  16. #16
    Time for a change. stapfam's Avatar
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    Quote Originally Posted by xizangstan View Post
    How common is it to build up wheel sets that are both rim brake rims, and disc brake hubs? Seems to me they keep my options open, for swapping around on more than one bike.
    I did this on the Tandem when I first wanted that spare set of wheels.I was running V Brakes but knew I was going to get disc brakes in the future so Mavic Downhill rims for rim brakes and a Hope Bigun Hub that would take discs. When I went disc- the Full disc wheelset were bought.

    I have the same hub in Hope Biguns on both sets of wheels and each wheel has its own disc and cassette. Rims are both Mavic Downhill versions and there is no difference in strength or ride of the wheels sets. Both wheelsets interchange with no problems.
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  17. #17
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by stapfam View Post
    I have the same hub in Hope Biguns on both sets of wheels and each wheel has its own disc and cassette.
    I've also done that for customers who wanted an interchangable set of rim brake wheels. I lace them up using the exact same hub, rim and cassette. The wheels swap out with no adjustments.

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