Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie
Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

Help Chainset / cassette Combo

  • 20-07-2013 6:01pm
    #1
    1jcdub
    Registered Users, Registered Users 2 Posts: 960 ✭✭✭


    A little advice needed

    I am about to change from a triple tiagra chainset (170mm), 9speed setup to a standard 105 double (172.5MM, 34 inside leg) 10 speed setup with the usual 53/39 rings, but I'm in two minds on a cassette. Do I go for a 12/27 or a 11/28. At the moment I'm inclined to lean towards 12/27 as it will have more gradual changes midway through the cassette, plus with a 53 up front I wont need the 11 gear...
    The triple I currently use has 50/39/30 rings and I'm currently on a 11/23 cassette.

    Thanks in advance


Comments

  • #2
    ratracer
    Registered Users, Registered Users 2 Posts: 3,388 ✭✭✭ratracer


    You may not need the 11, but depending on where you do you're cycling, I'd say you might be glad of the 28, with the granny ring no longer available to you.


  • #3
    countrykid
    Closed Accounts Posts: 835 ✭✭✭countrykid


    ratracer is right...go with the 12/28...safety in numbers when graduating to a double....less bullets to fire on the hills!!


  • #4
    1jcdub
    Registered Users, Registered Users 2 Posts: 960 ✭✭✭1jcdub


    countrykid wrote: »
    ratracer is right...go with the 12/28...safety in numbers when graduating to a double....less bullets to fire on the hills!!

    Do you mean the 12/27?

    I think that's best. I did think of the compact but I think I'd end up with a standard chainset eventually. So standard chainset 53/39 with a 12/27 cassette.

    Thanks for the advice guys


  • #5
    C3PO
    Registered Users, Registered Users 2 Posts: 3,794 ✭✭✭C3PO


    I recently put a standard crank on my training bike with a 12/27 and even though I'm reasonably fit and not a bad climber I do find myself struggling a little on some of the steeper climbs on my regular routes! With the compact and an 11/25 I could spin up anything but now find myself having to push hard on really steep stuff! I'd be inclined to go for the 28 even though it will be a bit more "gappy"!


  • #6
    1jcdub
    Registered Users, Registered Users 2 Posts: 960 ✭✭✭1jcdub


    I think I'd sacrifice the extra tooth of the 28 for a 27 just to avoid the gappy cassette. I'd be using the mid range gears the most for most roads.
    Going to order tomorrow, hope to have it fitted Wed. So new 105 double 10 sp levers, cassette, front mech, chain and chainset B-)
    C3PO wrote: »
    I recently put a standard crank on my training bike with a 12/27 and even though I'm reasonably fit and not a bad climber I do find myself struggling a little on some of the steeper climbs on my regular routes! With the compact and an 11/25 I could spin up anything but now find myself having to push hard on really steep stuff! I'd be inclined to go for the 28 even though it will be a bit more "gappy"!


  • Advertisement
Advertisement