I mix and match, but there are some lines I don't think I will cross....so I am mostly grouch
Lines to not be crossed:
Carbon Frame
Disc brakes
electronic shifting
threadless stem
Thru axle
Tech I am fine with
Brifters
dual pivot brakes
clipless pedals
gps watches, HRM etc
nice Led lights
on the other hand I have tried and just don't like one of the retro grouch's favorites: Barcons...... keep hitting them with my knee
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Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)