Canyon arrived...

Coxy_UK
Coxy_UK Posts: 297
edited July 2011 in MTB workshop & tech
My Nerve XC 9.0 arrived today and I've built it but...

I'm about 16.5 stone, so Fox say that I should use about 110psi. With that pressure, when I sit on the bike I get maybe 8mm of sag, when I'm looking for more like 25mm or so.

I lowered the pressure until I achieved this, but then the pressure is so low they forks are useless. What am I doing wrong here?

The other think is the brakes, I don't like how close they pull to the handlebar and the contact adjust really doesn't make much difference.
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Tides of sin draw tighter and brighter, hours become heavier and weighted, and the shadows smile...dark and wild.
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Comments

  • nicklouse
    nicklouse Posts: 50,675
    about 25% sag to start with and adjust to suit. dont forget the attack position.

    watch the vids on foxes webby.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • Coxy_UK
    Coxy_UK Posts: 297
    Had a look and didn't see any videos in relation to this, any linkies please?
    _______________________________________________________________________________________
    Tides of sin draw tighter and brighter, hours become heavier and weighted, and the shadows smile...dark and wild.
    <font color="blue">My Stumpy FSR Pic 1</font id="blue">
    <font color="red">My Stumpy FSR Pic 2</font id="red">
  • stubs
    stubs Posts: 5,001
    The Fox forks on my Canyon bedded in on my first couple of rides had the sag set perfect in the shed after 2 rides about 30 miles in total the forks were sagging about 40%. Take your shock pump with you and play with the sag out on the trail.

    There should be a small allen screw inside the lever pivot this is the adjuster for the lever position.
    Fig rolls: proof that god loves cyclists and that she wants us to do another lap
  • Coxy_UK
    Coxy_UK Posts: 297
    That will be the reach adjuster? The position they sit in is fine, I just mean the biting point seems fairly close to the bar. Is this what the contact adjust should do? Makes no odds really.

    Good to know took a couple rides, I will take the pump with me and do that. Cheers.
    _______________________________________________________________________________________
    Tides of sin draw tighter and brighter, hours become heavier and weighted, and the shadows smile...dark and wild.
    <font color="blue">My Stumpy FSR Pic 1</font id="blue">
    <font color="red">My Stumpy FSR Pic 2</font id="red">
  • stubs wrote:
    The Fox forks on my Canyon bedded in on my first couple of rides

    Agree with 'stubs'. I have heard of people having problems with RockShox forks initially setting the sag, then after a couple of rides, its fine.
    Giant XTC SE 2006
    Cube LTD Race 2009
    Trek Fuel EX 9
  • baz2963
    baz2963 Posts: 174
    Coxy_UK wrote:
    That will be the reach adjuster? The position they sit in is fine, I just mean the biting point seems fairly close to the bar. Is this what the contact adjust should do? Makes no odds really.

    Good to know took a couple rides, I will take the pump with me and do that. Cheers.

    My brakes were like this and all my previous bikes with exilir's. Just drop the wheel/disc away from the caliper, press the lever once (and only once!) .. Job done, alot more bite and progressiveness.
  • supersonic
    supersonic Posts: 82,708
    You should never pull the brake lever fully with the wheel out! You could force the pistons all the way out.
  • Dick Scruttock
    Dick Scruttock Posts: 2,533
    baz2963 wrote:
    Coxy_UK wrote:
    That will be the reach adjuster? The position they sit in is fine, I just mean the biting point seems fairly close to the bar. Is this what the contact adjust should do? Makes no odds really.

    Good to know took a couple rides, I will take the pump with me and do that. Cheers.

    My brakes were like this and all my previous bikes with exilir's. Just drop the wheel/disc away from the caliper, press the lever once (and only once!) .. Job done, alot more bite and progressiveness.

    Thats how i do my XTR Race brakes. Feel is amazing now, had a little to much travel for me when i first got them. They are awesome now.
  • baz2963
    baz2963 Posts: 174
    baz2963 wrote:
    Coxy_UK wrote:
    That will be the reach adjuster? The position they sit in is fine, I just mean the biting point seems fairly close to the bar. Is this what the contact adjust should do? Makes no odds really.

    Good to know took a couple rides, I will take the pump with me and do that. Cheers.

    My brakes were like this and all my previous bikes with exilir's. Just drop the wheel/disc away from the caliper, press the lever once (and only once!) .. Job done, alot more bite and progressiveness.

    Thats how i do my XTR Race brakes. Feel is amazing now, had a little to much travel for me when i first got them. They are awesome now.

    Thanks Rick ! ... I've always done mine like this too, as MTB brakes don't seem to re-adjust well to pad wear or determining how thick new pads are. You have to be a total muppet to press it so much that your pistons fall out, it's certainly not as easy as supersonic makes out and there is no other way to take up that movement.
  • supersonic
    supersonic Posts: 82,708
    There are other ways - have a look at Avid's method of advancing pistons. Hayes has something similar.

    Seen a lot of outed pistons, and them too close together with just one press with the wheel out - different brakes in different states of repair act differently, some will auto adjust very quickly. Others don't.

    Just be careful if you have never done it before.