Please bear in mind to take the weight of the B'twin in consideration (13.2kg for the singlespeed and that's the lightest version).
Personally would go for B'twin because it's very cheap and disposable, but might be a struggle with the hefty weight during rush hour.
Losing the rear brake ought to be worth 500g to narrow the gap to the Brompton. :)
And the orange reflector that add another 200g too.
I have checked the website, they're apparenty sold out online, It does look appealing, as I may need to move out of London temporary.
@Hefty started
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Please bear in mind to take the weight of the B'twin in consideration (13.2kg for the singlespeed and that's the lightest version).
Personally would go for B'twin because it's very cheap and disposable, but might be a struggle with the hefty weight during rush hour.