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Trek 7.2 fx upgrade

  • 03-07-2012 5:00pm
    #1
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭


    Hi everyone,

    Would love to get everyone's advice on this. Am getting a new bike on the cycle to work scheme. I had a trek 7.2 last year (was stolen) and am gravitating to it again. I'm looking for a hybrid that's a bit more high spec and looks good. Would I be better to go for the 7.3 or upgrade the 7.2. The 7.2 was a bit clunky on the gears for example. Or can anyone suggest a better hybrid for that price.


    Thanks for your help

    G


Comments

  • #2
    njburke
    Registered Users, Registered Users 2 Posts: 1,012 ✭✭✭njburke


    I have 7.5FX that I'm very pleased with, I got it in april and have almost 1000K clocked up so far, no punctures so far and the wheels are still true, I haven't even adjusted the gears. It has a carbon fork and shimano deore shifters and rear derailleur, 27 gears. I use it for commuting with a rear rack and the LIDL panniers, so far so good. Gear ratios are good, I don't think I've used top gear yet.

    I'm not sure how that compares to the 7.2FX. I got the 2011 model for E675.
    Only downside so far is that it has an odd handle bar with a vibration isolation rubber built into the handlebars, so fitting bar end grips is not possible without a little crafting.

    Niall


  • #3
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    Hi Niall,

    Thanks very much for the reply. I had more or less not considered the 7.5 because of the cost but never thought of last years model - I'll give the shops a bell and see what price they'll do the 7.5 for.

    Did you find it difficult to put bar ends on the 7.5 - what product did you use?


    Can anyone else offer suggestions for upgrades.

    Thanks


  • #4
    njburke
    Registered Users, Registered Users 2 Posts: 1,012 ✭✭✭njburke


    Hi Karl,
    If you search the web you can find some posts/blogs regarding the issue, including some complaints about Trek who announced a bar end grip specifically for the trek isozone handlebar and then never delivered on bar end grip.
    To be honest its only an issue when you're spend longer times on the bike, its not an issue for me on the 15K each way commute, but does arise on a 40- 50K spin at the weekend.

    What the engineers at trek have done is press the isozone handlebar from a 360 degree circular cross section at the handgrip into a 220 degree cross section , they then filled the 140 degrees with some synthetic rubber under the handgrip.

    To fit a bar end grip, the mount is designed to clamp around a 360 handlebar. I took my bar apart and figured the best way to fit a bar end grip is to take an aluminium disc, cut it down to 140 degree,remove the rubber and epoxy in place, then clamp the bar end grip over that.

    I haven't done this yet, other find some suitable discs. Instead I'm going to change the isozone bar for an on one midge bar, so far I picked up some dura ace bar end shifters and RL520 levers. This setup should give me multiple hand positions from upright and a shallow drop body position on the bike. Bear in mind I'm using the bike for commuting, cardio and weightloss. I also considered butterfly/trekking bars, but I like the midge bars, bit of thread on them here;
    http://www.boards.ie/vbulletin/showthread.php?p=74126941

    Niall


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