Saw some bikes in halfords the cheapo apollo bikes are heavy by 3kg, the hybrid boardman £500 is 900g lighter
I've had the bike over 20 years and frames amazing condition..decided to update the bike maybe turn it into a commuter style hybrid
Some inconsistencies with the replies above , still...
The chain line angle is parallel from the front to the back on the old original 116mm bb sitting around 45 mm region from seat tube to middle rings
On the 122.5 bb , the crank from the middle crank ring is sitting around 50+ mm mark
"way off i mean" - chain has a a fair amount angle and...
Re: Re:
Thanks
Yeah I put in the 122.5 recommended by the crank manufacturer, it throws the chainline angle way off
Going back to the original 116mm bb bottoms out the FD
Not sure what to do
Hi
I recently decided to fix my old mtb from the early 90s. Changed all the gearing on it with new stuff
Seem to be having problems with the front crank derailleur and bb set up
Old gearing was shimano ct-90 altus crank 38t /derailleur - bb 116mm spindle
New gearing fc-m131 crank with...