I would love to commute daily, not just once a week; but my commute is 25-27 miles one way- what 47 kilo. Might be possible, but on day shift have to be there at the absurd hour of 6am. Have to leave at 2:45 am, think few commuters would do that.
I'm lucky in that my hours mean I don't have to leave any earlier than 7am. I tend to commute in four days a week and really miss it when I don't.
Richard
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Currently riding an MTB with a split personality - commuting, touring, riding for the sake of riding, on or off road :)