Simba
Specialized Allez 24 Rider
- Location
- Tottington - Lancashire
On Friday when I shifted gear to the top ring on the front, the derailleur made a weird noise. Now occasionally when shifting it throws the chain off. I think the tail needs rotating to the left but I have no idea how to do this. The gear system is SRAM 3.0 High Clamp on a Carrera Vengeance Ltd.