1
vote
1answer
202 views

Derailleur Hanger replacement for GTS R5 road bike frame

I'm looking for an online site where I can buy a derailleur hanger replacement for my GTS R5 road frame. The frame is the one in the picture ...
6
votes
5answers
9k views

“Proper” cycling posture on a road bike with drop bars?

Sometimes I feel a little pain in my lower back after cycling (nothing too long, mainly cycling around London for general commuting...5-10Km). It could be due to a number of reasons (I have a bad back ...