Please tell me he did it on 700x23s too.
IIRC Krylions were only available in 19, 23 and 25. Assuming he's not daft enough to use 19s, it must have been either 23s or 25s. This suggests he was using 25s.
@Brommers started
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IIRC Krylions were only available in 19, 23 and 25. Assuming he's not daft enough to use 19s, it must have been either 23s or 25s. This suggests he was using 25s.