Question about Shimano Cycling
My bike is a 15 speed Hybrid& the derailleur the bike mechanic put on tonight doesn't seem to change gears well when I am on the big gear in the front & want to shift upwards on the back
It looks like you have had a 6/7 speed rear mech fitted.
Unfortunately this number of gears is only replaceable by another 5 speed rear derailleur, and Shimano only has two, the RD-TY15SS, and RD-TY15GS.
(See Shimano's Compatibility info PDF here:
There is also the compatible Sunrace Brand Alternative, RDM15, viewable here:
If you don't use these, you are bound to have shifting problems due to the more narrow space difference between cogs on a six speed freewheel/sprocket.
Posted on Aug 24, 2015
This may be to do with the replacement having a shorter cage, so it can't go on the big sprocket and big chain ring at the same time.
Try to not use the big rear sproket and the the big front chaining at at the same time,
Posted on Apr 30, 2015
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Posted on Jan 02, 2017
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