11-28 Cassette on Boardman Team?

ianlash
ianlash Posts: 147
edited March 2010 in Road buying advice
I have a standard Boardman Team road bike (although I have put my own scratches on it!). I am thinking of doing some sportives this year and would like to be able to get up the big hills a bit easier. The Team comes with SRAM 12-25 cassette (10 speed) and 50x34 chainset. I see SRAM do a 11-28, 10 speed cassette (called OG1070). I presume this would be fine to fit? If so, could I do it myself? Would I need a new chain?

Many thanks,
Ian

Comments

  • NWLondoner
    NWLondoner Posts: 2,047
    You would have to use a longer chain. You would also have to adjust your rear derailleur as well via the H and L screws as well as the B screw.
  • Stevie2wheels
    Stevie2wheels Posts: 85
    edited March 2010
    Hi,
    you should be totally fine with your old chain. You will just need a cassette removal tool which you can buy from Halfords for £6ish. Just removethe rear wheel and skewer. Insert the the slotted cassette tool into the retaining ring and turn anticlockwards to remove. You will need a chain type oil filter removal tool to hold the cassette in place so it does not rotate. I used an old chain and some mole grips to hold the cassette. Then just replace the cassette. Just make sure that the spacing rings are all in the correct place on the new cassette.

    I have just replaced my cassette (11-23) for a 11-28 due to my spindle like legs! All you may have to do is adjust the postition of the derailleur. My chain was totally fine.

    Stevie.
  • NWLondoner
    NWLondoner Posts: 2,047
    Stevie2wheels wrote:
    Hi,
    you should be totally fine with your old chain. You will just need a cassette removal tool which you can buy from Halfords for £6ish. Just removethe rear wheel and skewer. Insert the the slotted cassette tool into the retaining ring and turn anticlockwards to remove. You will need a chain type oil filter removal tool to hold the cassette in place so it does not rotate. I used an old chain and some mole grips to hold the cassette. Then just replace the cassette. Just make sure that the spacing rings are all in the correct place on the new cassette.

    Stevie.

    Surely the old chain will be too tight. It is set up for a 25t and going up to a 28t is quite a jump.
  • redddraggon
    redddraggon Posts: 10,862
    NWLondoner wrote:
    Stevie2wheels wrote:
    Hi,
    you should be totally fine with your old chain. You will just need a cassette removal tool which you can buy from Halfords for £6ish. Just removethe rear wheel and skewer. Insert the the slotted cassette tool into the retaining ring and turn anticlockwards to remove. You will need a chain type oil filter removal tool to hold the cassette in place so it does not rotate. I used an old chain and some mole grips to hold the cassette. Then just replace the cassette. Just make sure that the spacing rings are all in the correct place on the new cassette.

    Stevie.

    Surely the old chain will be too tight. It is set up for a 25t and going up to a 28t is quite a jump.

    Depends if they fitted the longest possible chain or not. I reckon it should be fine, if the chain was done the correct way (little-little with no slack)
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  • juankerr
    juankerr Posts: 1,099
    Presumably he'll be running the 28 with the small chainwheel so should be o.k. Large chainwheel to 28 might be a stretch but he shouldn't be doing that anyway!
  • ianlash
    ianlash Posts: 147
    Thanks guys, such prompt replies! I'll see how it goes with the current chain.

    Bring on the big hills!
  • sturmey
    sturmey Posts: 964
    Old chain will be fine.
    Unless, as stated, you want to run 50 front to 28 rear which nobody with an ounce of sense would ever do.

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