• Ambient, so ~14.7 I suppose

    nah, still zero effectively. cos there is also 1bar acting on the outside of the shock compressing it

  • Sure, but zero PSI showing on the gauge with the shock at full extension would mean that it's atmospheric pressure inside it, no? Because that's the same as the pressure outside the shock, which I imagine is what the pump thinks "zero" is. Or have I got that all wrong?

  • Can you not compress the shock while releasing pressure? So you get it completely empty?

  • this is normal, I'm assuming that it's part of the design in modern shocks, to partly pre pressurise the shock so they don't need pumping up to circa 300psi.

  • Gauge Pressure = Absolute pressure - Atmospheric pressure

    So 1 bar inside and 1 bar outside is zero.

    Also, if the shock was at zero gauge pressure when in compressed position and then extended, it would then be negative pressure inside.

    I think you are experiencing resistance from the valves etc in the damping circuits.

  • XXTR is brilliant- no downside and considerable upside (so far).

  • Unbolt one end of the sock and hold the linkage at the desired distance with a toe strap

  • How tekkers are your socks?

  • Not very.

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  • Anyone know where I can get one of these? (Precise match)

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  • Some thoughts on the XXTR setup.

    Installation: I swapped the Kogel pulleys into the cage on the bench, then installed the mech, used the same chain that I had been running with the 100% XTR setup, fitted the shifter and it was very close to working immediately.

    I did some fiddling with the B-screw, set the outer limit stops and buggered about with the trim - but the whole time I was actually thinking "this is too easy".

    I found it a lot more straightforward than dialling in the cabled XTR setup - faster, less fuss.

    Once it was working in the stand I pulled the internal cabling out of the frame, which removes one slight concern I've always had which is the cable hanging below the BB (I do still have a hydraulic hose there, which I suspect can't be swapped to wireless operation).

    Testing: I rode the bike around the park a bit, shifting is in the "just works" box, but I did notice a tick. Getting it back in the stand that's from one of the chain links not releasing the tooth of the upper pulley cleanly - I'm guessing this will either wear in, or I'll swap the chain. It's not an XX1 vs XTR issue, it's a non-standard pulley+worn chain thing.

    Riding: It just works, and it works better than 100% XTR. With the old setup sometimes (climbing, low crank speed) I had to push past the stop to get the mech to shift - that's a thing of the past. Press the rocker and the gear changes, hold the rocker and it goes up or down the block until it runs out of sprockets. I'm really impressed.

  • Did some local pottering this weekend (local for London - AKA ~40 miles away in the car).

    I imagine people are familiar with the four stage learning process trope:

    1. Unconscious incompetence
    2. Conscious incompetence
    3. Conscious competence
    4. Unconscious competence

    I think I've now progressed to stage 2 following my recent coaching session with the Trail Academy, which this weekends riding seemed to support.

  • Reminds me of the Definitely Doable categories I and my MTBing old school friends came up with and still use. Many's the time we've stopped at the top of a section and one or more have declared that it's 'Definitely Doable'. However, Definitely Doable has been refined into five classes of Definitely Doable:

    1. Class 1 - definitely doable by us, provided we haven't already Opened The Door To Mr. Numpty - i.e. had a crash and blown our confidence.
    2. Class 2 - definitely doable by us, but only on a good day.
    3. Class 3 - definitely doable by us, but only on that special magic day when the stars align, everything is possible, and confidence is oozing from every pore.
    4. Class 4 - definitely doable by a pro, but not by us.
    5. Class 5 - definitely doable by a pro, but only when they're having one of those special days.

    That's not to say we haven't tried clearing Class 4 or Class 5 Definitely Doable sections. It's just that sadly we don't have video footage of the doomed attempts.

  • I am probably going to do the pro ride courses. Starting with their most basic as it sounds like they go through bike set up 101.

    What level of fitness is required? Not been doing any mountain or road cycling but have been doing regular TrainerRoad and yoga.

  • Very low.

  • @Brommers what I'm working through at the moment is cornering and jumping, sending it down steep technical stuff I'm ok at, that's largely balance and commitment whilst staying fairly loose.

    Jumping is all about the timing and the intensity of the movement required, getting that from 2 to 3 is going to be a great achievement.

    Cornering is, in some ways, jumping but at 90% to the vertical so it has the same timing requirement. This I can get right sometimes, but then get so wrong I end up laughing at myself as I mess the corner up. Key challenge is to keep my weight forward and central - rather than leaning with the bike, which is a really bad habit that I need to break.

    I slung the bike into a flat turn on a fireroad on Saturday, bike healed right over but I'd got it wrong and was hanging off the inside as it were - front tyre initially gripped but then slid. I managed to move across the bike (toward the outside of the turn) fast enough to force the side knobs into the ground and effectively pumped through the turn. Almost a disaster, but ended up feeling great. I need to remove the disaster part.

  • RC295 gets a mention in "best trail bikes of 2021" list from Redbull.

  • Following my youngest (11) it's funny watching him always in the correct body position. No bad habits to unlearn. Hours spent on the pump track and decent coaching. I need to do the same!

  • Yes, starting off correctly gives you a lifelong advantage.

  • This is why I am trying to book some coaching for as soon as possible after new bike arrives as I would like to be trying for good habits before old muscle memory kicks in.

  • If you have a pump track anywhere local I'd strongly recommend trying to spend some time zipping round it.

  • Over at FOD

    Could build one here - got ground workers on site at the moment…

    Have also just bought resistance bands to attach to the wall for doing some of LeeLovesBikes hinge position training.

  • +1 for the pump track.. push those legs!

    Edit to add.. it's bloody hard work

  • You're near Cheltenham aren't you? There is an average one here:


    Go during term time if you can to avoid it being full of kids.

    There are some fairly gnarly trails on Leckhampton Hill if you want to make an afternoon of it. Daisy Bank car park is by the "bomb holes". Trailforks is your friend for finding anything else. I've not been in years though so no idea what its like at the moment.

  • Am near Newent so in between FOD and Cheltenham. If I’m going to strap a bike to a car I think I’d rather go to trail centre do a bit of pump track, do a loop and come home.

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I have no idea what I'm doing (Dammit’s adventures in mountain biking)

Posted by Avatar for Dammit @Dammit