>>1951445> 26er MTB hardtail with rigid fork and skinny tyres> commute> platform flats with minimal plastic pinsCan wear any shoes without ruining sole. Can dip foot instantly when going sideways on ice.
> 26er MTB hardtail with proper fork and tyres> train / race> mostly SPD, alloy flats with long metal pins during snow or technical rides with sacrificial shoesJust makes sense - enables suitable shoes, perfect grip, always in position, can spin faster, lighter pedals. Flats, because more foot positions for nuanced weight transfer or quick foot dips in fuck-ups or fast stops in gnarly places.