Senior Member
Join Date: Jun 2014
Location: Ontario, Canada
Posts: 4,624
Bikes: iele Latina, Miele Suprema, Miele Uno LS, Miele Miele Beta, MMTB, Bianchi Model Unknown, Fiori Venezia, Fiori Napoli, VeloSport Adamas AX
Mentioned: 16 Post(s)
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If the bike is a PRESTO I wouldn't try upgrading it. The frame is very and I do mean VERY heavy for an aluminium alloy frame. The rims are pretty heavy to as are the hubs. The handlebar is a THREE PIECES assemble so that the twist-grip shifters can be fitted onto it.
If I had access to a bicycle co-op I MIGHT consider getting a one-piece alloy handlebar and combination brake levers/shift levers if I could get them to match however number of cogs the freewheel has - most likely 7 cogs. Other than that, I'd save up and buy a better bike later.
Cheers