Mechanics and Fixing Any Questions Answered

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  • Have a search for clamp on cable stops? Various options out there, will depend on your frame/needs.

  • There is a particular size of ring spanner (I think it was 18mm or 19mm), that fits nicely over Look pedal nut.

    @Bezzin I think I have this tool. If you can cover a little for postage I'll send it out for free as I use SPD-SL now

  • Ah yeah that’d be great thank you! LMK how much you need etc.

    Superglue holding up for now.

  • Doing a shimergo conversion after reading an article on cxmag. do i need new outer cables as well as inner cables please? also, wiggle’s lifeline range seems well stocked and reasonable for campag cables, anywhere else I should try (not in london currently)

  • I'm pretty sure that brake cable inner and outers are all the same type/dimensions.

    Campagnolo gear outer cables are a different size to Shimano.
    Campagnolo gear inners are also different (at least in the shape of the heads, not sure about cable diameter).

  • perfect! thank you!!!!
    edit: can't find any gear outer advertised as campy. will try with shimano compatible gear outer and see and if its a no go then move on

  • I'm after a new toolbox for bike tools specifically. Any forum recommendations? Ideally I'd like one on wheels, vertical stacking type (like tradesmen use) as the storage in our shed doesn't have particularly deep shelving, maybe with some trays. Tool fans on here seem to like the foam cutout posh ones, should I really be going for those?

  • Uniour

  • I've misplaced the crank arm pre-load bolt on my grx cranks. Are these specific to this crank or will any Shimano fixing bolts do the trick?

  • I think there’s a couple of sizes for the thread, actually maybe a couple diameter and a couple depths.

    Might be older stuff though, newer it might all be the same.

    Your lbs will likely have something in the way of a preload bolt kicking about that you can try and see.

  • Thanks, had a spare one laying about but no joy. I'll pop around the lbs at lunch.
    In another question, installed the front derailleur but two questions. At its lowest setting on the braze on, the gap to the large chainring is about 3-4mm, this is ok without leading to any catastrophic issues? I normally have band-on or run road chainrings so never had a Gap bigger than 2mm.
    And, do I need one of this backing plates for the front derailleur?


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  • You don't need a backing plate in a metal frame, only if the bolt is digging on carbon.
    3mm will do fine

  • Has anyone installed a Cane Creek T47 BB and can tell me what tool fits? I have a Wolftooth 5612 which should fit in theory, but it's just a smidge too small (or rather the teeth are too big)

  • Cool, thought so. But I still need to dial the bolt in so it rests against the frame right?

  • Use the backing plate if you care about the paint. Yes, it should be resting against the frame.

  • Yeah the bolt should be always supporting the derailleur

  • Fwiw I installed a campag t47 bb with the correct park tool, and the fit was suuuper tight. I basically bashed it in with a rubber mallet.

  • Never fitted a square taper crank/BB before. Is this a normal gap on the non-drive side? For reference, it's a Shimano BB, 68mm X 110mm which I think is the right one for the job


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  • Doesn't look obviously awful. A more useful reference point will be where the end of the crank arm passes the chainstay.

  • The distance between the crank arm and chainstay is about 12-13mm by eye.

  • Seems reasonable

  • Stripped the female thread of the barrel adjuster on a GRX 812 rear mech. 1 year old. Is it now an expensive piece of junk or is it salvageable?

    The barrel adjuster won't go in at all.

  • I'd try a tap first and a new adjuster, if that fails you may be able to drill it and add a threaded insert if a lack of threads is the problem, at worse if you can get a barrel adjuster to sit where it's meant to go you can add an inline adjuster for actual adjustment.

  • Just random thoughts, but would a 1x chainring like the Wolftooth one or similar work with the old Shimano M750 triple crankset? What additional bits would I need?

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Mechanics and Fixing Any Questions Answered

Posted by Avatar for OmarLittle @OmarLittle

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