Dammit’s adventures in mountain biking

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  • Now I need to look at overlap, and what can be cut out. I also need to check whether any of my pedals actually have flats on the spindle, and even if they do whether I need a pedal spanner when I have a long Allen key.

    Also, front rotor arrived.


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  • 6 bolt? spits

  • These are the first non-CL rotors I’ve ever actually wanted. I was a little disappointed that my Reserve 30 wheels were 6 bolt, but these are not available in anything but - so now I’m quite happy.

    I have CL on the hardtail.

  • why would you need a tape measure?

  • It's handy for putting things like saddles back to the correct height, brake levers on in the right place etc. Again, it could be left out (or a smaller one substituted).

  • That rotor was filthy, glad I decided to give it a scrub before fitting it. Must make sure I do the same with the rear before I put the wheel in the frame.

    Question- do people set their brakes up so the pads sweep to the absolute edge of the rotor, or some distance inside, and if the latter by how much?

  • Do your calipers have radial adjustment? Normally just lateral, no?

  • Yes, by adding spacers.


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  • Do the calipers still come with them nowdays? I always bolt them direct to the mount and let the pads sit where they sit, normally with at least 1mm to both disc edges if using matching brand rotors.

  • No, I ordered those from an engineering place. My pads were about 3mm from the edge of the disc, with these they’re right up to the edge. I’m thinking that maybe slightly shorter spacers and a 1mm gap would be wise, but maybe it’s fine. Previously quite a lot of the pad only saw rotor surface when an arm passed through the calliper.

  • Previously quite a lot of the pad only saw rotor surface when an arm passed through the calliper.

    That's not good!

  • That’s what I thought. I’ve ordered some 2mm spacers anyway.

  • Brakes work again, Swinley is rolling fast now it's dried out- wondering if I need to up the grip on the front as I had quite a few washouts today.


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  • Front calliper is running on 3mm aluminium spacers to marry the pad surface up with the rotor - as mentioned previously it was leaving a 3mm band of disc untouched before. I've got some 2mm ones coming for the rear as the unswept portion is smaller, unsure if I'll use those but we shall see.

    If anyone is after spacers I ordered from Ultraturn Engineering on eBay, he seems a nice chap and is making me the 2mm ones after I messaged him (they're not an option he offers via eBay).

  • I could have used those as a bodge for my home made frame where the rear flat mount came out somewhere between 140 and 160mm rotor fitment. But now I've gone and cut the chainstay off so no worries :')

  • washing out on the blues?

  • Those Swinley packed pebbles can be properly slippery with a layer of dust. Not even joking!

  • Yeah. It's like polished glass half the time. Do not like.

  • I can't recall where exactly, none of them were huge, just the front momentarily slipping in a way that it hadn't before when the ground was more damp. The one that does stick in the mind is red 32, with that said - some of the turns there are flat and made of gravel, and you come into them downhill.

  • I'm running the same tyre set up, but I don't remember it ever breaking loose on the reds just on the blues on the tight corners.

    Are you running inserts and 14psi?

  • Inserts and 22 psi

  • There you go! Less pressure.

  • I'm 75.8kg right now, are you roughly around there?

  • Not far behind. 73kg

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Dammit’s adventures in mountain biking

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