Service parts refresh your chain damper as the consumable parts begin to wear out
 Replacing the chain damper chainring while servicing the system help prevent worn  noise, wear out new chains faster and are more likely to cause chain drops
 Contains: 4-low friction thrust bushings,qty 2 x-rings,qty 1 o-ring and\nqty 4 elastomers (plus 4 spare elastomers)
| model | Service kit | 
| description | chain damper service parts |