Sorry for digging up old threads, but on my road bike i'm running 9 spd dura ace cassette, 105 chain and rear mech. I can feel slipping on two rings, the 3rd and 4th from the smallest. Why would it slip on just these two and not the rest? and how can i stop it!
Thanks
Sorry for digging up old threads, but on my road bike i'm running 9 spd dura ace cassette, 105 chain and rear mech. I can feel slipping on two rings, the 3rd and 4th from the smallest. Why would it slip on just these two and not the rest? and how can i stop it!
Thanks