B Bike New member Nov 4, 2011 #1 ?www.jumbo-bicycle.com/en? They can supply all kinds of bike parts,there are aluminum alloy bike parts,how about aluminum alloy material bike parts? Are aluminum alloy material bike parts strong enough?
?www.jumbo-bicycle.com/en? They can supply all kinds of bike parts,there are aluminum alloy bike parts,how about aluminum alloy material bike parts? Are aluminum alloy material bike parts strong enough?