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  • So I took the Brompton to my mate's shop yesterday. Chased and faced the BB and borrowed his big man-sized files to reduce the tabs even further. Problem is, the clearance I gained by filing was lost to the facing, so there's a bit of contact again. His suggestion was to stick a shim on the driveside.

    I may well do that, but I said I'd give it a try as it is, see how much of a ballache it'll be.

    I've only had the quick ride to the station thus far, but it feels nice. Immediately noticeable is the reduced q-factor. Not sure how much by, but it feels like my legs are tracking a bit straighter. It'd be a shame to ruin that by sticking a spacer in between BB and shell...

    Also, it seemed to feel a bit stiffer but it's hard to say with only one little out of the saddle bit so far.

    Oh and of course it looks cooler, which is the main thing 🤗

  • What tooth chainring are you using?

    I'll be picking up my S2L as soon as the CycleScheme voucher comes through, and I have a spare set of carbon Chorus cranks...

  • I'm using the standard 130BCD Brompton ring, 54t I believe.

    I was asking on here about Campag cranks but getting hold of 3/32 single speed rings without ramps and pins in 54t (or thereabouts) seemed difficult enough in 130 or 110 bcd, never mind 135.

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