double crank setup

torgey33
torgey33 Posts: 179
edited August 2010 in MTB workshop & tech
i`m interseted in the idea of a double ring crank setup and have a couple of questions,

1. do you need specific double ring front mech and shifter

2. i`ve seen specs for double setups using a 11-36 cassette, is this 10 speed

cheers
Whats That All About !

`06 Saracen Mantra
`07 Scott Reflex 20
`10 Specialized fsr xc pro

Comments

  • supersonic
    supersonic Posts: 82,708
    edited August 2010
    You don't need a specific shifter, but Shimano have a specific derailer for the 36/22 chainset.

    11-36 is generally ten speed yes.
  • torgey33
    torgey33 Posts: 179
    do you have a view on double cranks, i`m finding that i rarely use the granny cog or the top end of the big cog, i`m thinking that by pushing the ratio`s nearer together with say a 24/36 (think the new specialized camber 2011 will be using this) i would be fine tuneing the gears that i do use ?
    Whats That All About !

    `06 Saracen Mantra
    `07 Scott Reflex 20
    `10 Specialized fsr xc pro
  • supersonic
    supersonic Posts: 82,708
    Is a good idea if not using the gears you mention. Is quite a common set up.

    If I ever went double it would be 38/24, just to give me that little extra at the top.
  • torgey33
    torgey33 Posts: 179
    bare with me on this...is the choice for ring sizing and set ups pretty good cos i`m reading in both what mountain bike and mountain biking uk that double rings are becoming more common

    cheers
    Whats That All About !

    `06 Saracen Mantra
    `07 Scott Reflex 20
    `10 Specialized fsr xc pro
  • nicklouse
    nicklouse Posts: 50,673
    Do not multi post the same topic.

    your other topic on the same is now deleted.

    try read in the forum rules in general.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • torgey33
    torgey33 Posts: 179
    soory dude
    Whats That All About !

    `06 Saracen Mantra
    `07 Scott Reflex 20
    `10 Specialized fsr xc pro
  • supersonic
    supersonic Posts: 82,708
    There are many different options. Plus you can customise anyway.

    You cannot really have more than 14 tooth difference though.
  • Why not ditch the 2nd ring as well and go 1x9...you will still be able to have a good range of ratios with the correct chainring and cassette suited to your terrain/rides etc.
  • Anonymous
    Anonymous Posts: 79,666
    Why not ditch the 2nd ring as well and go 1x9...you will still be able to have a good range of ratios with the correct chainring and cassette suited to your terrain/rides etc.
    You sounds like a singlespeed hippy, sir. I am appaled by your attitude.

    Seriously though, for certain kinds of riding, a twin setup makes a lot of sense, whereas a single ring is more limited.