Aggieray74
Member
I'm a 62 yr old newbe to cycling. I have a Silvio 2.1 with a Shimano Di2 group set. I have about 40 miles on the bike riding on a rough county road. The bike was whisper quiet shifting thru all the gears until the last 15 miles or so. Now I feel a sort of grinding like the bearings are in sand and I hear a little noise if I am under load in the upper couple of gears. I took the bike to "Scooter's" Bike Shop in Shreveport, LA. He seemed very knowledgeable on the Di2 and did a little adjusting on it. He went thru all the gears on the bike stand with very little noise as I still have while riding. It is possible that the cassette is getting loose on the hub?
